WO2015070377A1 - 一种多方通话方法及装置 - Google Patents

一种多方通话方法及装置 Download PDF

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Publication number
WO2015070377A1
WO2015070377A1 PCT/CN2013/086961 CN2013086961W WO2015070377A1 WO 2015070377 A1 WO2015070377 A1 WO 2015070377A1 CN 2013086961 W CN2013086961 W CN 2013086961W WO 2015070377 A1 WO2015070377 A1 WO 2015070377A1
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WO
WIPO (PCT)
Prior art keywords
side device
network side
receiving
receiving ends
sending end
Prior art date
Application number
PCT/CN2013/086961
Other languages
English (en)
French (fr)
Inventor
陈昌洲
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2013/086961 priority Critical patent/WO2015070377A1/zh
Priority to CN201380005704.1A priority patent/CN104272713A/zh
Priority to EP13897420.9A priority patent/EP3057280B1/en
Publication of WO2015070377A1 publication Critical patent/WO2015070377A1/zh
Priority to US15/151,064 priority patent/US10193794B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/16Multipoint routing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/16Arrangements for providing special services to substations
    • H04L12/18Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1886Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with traffic restrictions for efficiency improvement, e.g. involving subnets or subdomains
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/16Arrangements for providing special services to substations
    • H04L12/18Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/16Arrangements for providing special services to substations
    • H04L12/18Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H04L12/1818Conference organisation arrangements, e.g. handling schedules, setting up parameters needed by nodes to attend a conference, booking network resources, notifying involved parties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/16Arrangements for providing special services to substations
    • H04L12/18Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/189Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • H04L61/09Mapping addresses
    • H04L61/25Mapping addresses of the same type
    • H04L61/2503Translation of Internet protocol [IP] addresses
    • H04L61/2517Translation of Internet protocol [IP] addresses using port numbers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40Support for services or applications
    • H04L65/403Arrangements for multi-party communication, e.g. for conferences
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40Network security protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres
    • H04M7/006Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres
    • H04M7/006Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
    • H04M7/0075Details of addressing, directories or routing tables

Definitions

  • the present invention relates to the field of communications, and in particular, to a multiparty calling method and apparatus. Background technique
  • Multi-party calls that is, multi-party online calls realized by various means, can realize real-time online communication in multiple parties and in different places, such as conference calls, video conferences, and the like.
  • a terminal participating in a multiparty call separately transmits the same data to the terminal participating in the call.
  • the terminal participating in the multiparty call separately sends the same data to the terminal participating in the call, the traffic is increased sharply, and the delay of the network is increased.
  • Embodiments of the present invention provide a multi-party calling method and apparatus, which can save air interface resources and reduce network delay.
  • the embodiment of the present invention uses the following technical solution:
  • the embodiment of the present invention provides a multi-party calling method, which is applied to a process of performing a multi-party call between a transmitting end and at least two receiving ends, The method includes: the sending end acquires communication data to be transmitted to the at least two receiving ends and an identifier of the at least two receiving ends;
  • the method before the sending, by the sending end, the communication data and the identifier of the at least two receiving ends to the network side device, the method further includes:
  • the sending end sends, by the sending end, a multiparty call request to the network side device; If the network side device supports the multi-party call, the sending end receives the first response message that is sent by the network side device and is corresponding to the multi-party call request, where the first response message is used to indicate the sending end.
  • the network side device supports the multiparty call and the network side device has obtained the identifiers of the sending end and the at least two receiving ends;
  • the transmitting end sends a link establishment request including the identifiers of the at least two receiving ends to the network side device, so that the network side device establishes a link connection with the at least two receiving ends.
  • the identifier of the receiving end includes at least an IP address and a port number of the receiving end.
  • the embodiment of the present invention further provides a multi-party calling method, which is applied to a process of performing a multi-party call between a transmitting end and at least two receiving ends, where the method includes: receiving, by the network side device, a to-be-transmitted transmission sent by the transmitting end Communication data to the at least two receiving ends and an identification of the at least two receiving ends;
  • the network side device forwards the communication data to the at least two receiving ends according to the identifiers of the at least two receiving ends.
  • the method before the network side device receives the communication data that is sent by the sending end and is to be transmitted to the at least two receiving ends, and the identifiers of the at least two receiving ends, the method also includes:
  • the network side device receives the multiparty call request sent by the sending end; if the network side device supports the multiparty call, the network side device sends the first response corresponding to the multiparty call request to the sending end a message, the first response message is used to indicate that the network side device of the sending end supports the multi-party call, and the network side device has obtained the identifiers of the sending end and the at least two receiving ends;
  • the network side device establishes a link connection with the at least two receiving ends according to the link establishment request.
  • the identifier of the receiving end includes at least an IP address and a port number of the receiving end.
  • an embodiment of the present invention provides a user equipment, configured to perform a multiparty call with at least two receiving ends, including:
  • An acquiring unit configured to acquire communication data to be transmitted to the at least two receiving ends and an identifier of the at least two receiving ends;
  • a first sending unit configured to send, by the network side device, the communication data acquired by the acquiring unit and the identifier of the at least two receiving ends, so that the network side device forwards the communication data to the at least The receiving end of the identifier of the two receiving ends.
  • the first sending unit is further configured to: before sending the communication data and the identifier of the at least two receiving ends to the network side device, to the The network side device sends a multiparty call request, and sends a link establishment request including the identifiers of the at least two receiving ends to the network side device, so that the network side device establishes a chain with the at least two receiving ends.
  • the user equipment further includes a first receiving unit;
  • the first receiving unit is configured to: if the network side device supports a multi-party call, receive a first response message that is sent by the network side device and that is corresponding to the multi-party call request, where the first response message is used.
  • the network device of the user equipment is instructed to support the multi-party call, and the network side device has obtained the identifier of the user equipment and the at least two receiving ends.
  • the identifier of the receiving end includes at least an IP address and a port number of the receiving end.
  • an embodiment of the present invention provides a network side device, configured to perform a multiparty call between a sending end and at least two receiving ends, including:
  • a second receiving unit configured to receive, by the sending end, communication data to be transmitted to the at least two receiving ends and an identifier of the at least two receiving ends;
  • the second receiving unit is further configured to receive, by the sending end, communication data to be transmitted to the at least two receiving ends and the at least two receiving ends Before the identifier, receiving a multi-party call request sent by the sending end, and receiving a link establishment request sent by the sending end, including the identifier of the at least two receiving ends;
  • the second sending unit is further configured to: if the network side device supports a multi-party call, send a first response message corresponding to the multi-party call request to the sending end, where the first response message is used to indicate The network side device of the sending end supports the multi-party call, and the network side device has obtained the identifiers of the sending end and the at least two receiving ends;
  • the network side device further includes a processing unit
  • the processing unit is configured to establish a link connection with the at least two receiving ends according to the link establishment request received by the second receiving unit.
  • the identifier of the receiving end includes at least an IP address and a port number of the receiving end.
  • the embodiment of the present invention provides a multi-party calling method and device, where a transmitting end acquires communication data to be transmitted to at least two receiving ends and an identifier of at least two receiving ends, and then the transmitting end sends communication data to the network side device and at least two receiving The identifier of the end, so that the network side device forwards the communication data to the receiving end corresponding to the identifier of the at least two receiving ends respectively.
  • the transmitting end sends the communication data to the network side device and the identifiers of the at least two receiving ends, so that the network side device forwards the communication data to the receiving end corresponding to the identifiers of the at least two receiving ends respectively, and completes the sending end and at least two.
  • the multi-party call between the receiving ends solves the problem that the transmitting end needs to send the same communication data to the receiving end separately, and ensures that only one piece of data is transmitted in the air interface, which saves air interface resources and reduces network delay.
  • FIG. 1 is a schematic flowchart 1 of a multi-party calling method according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart 2 of a multi-party calling method according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart 3 of a multi-party calling method according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram 1 of a user equipment according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram 2 of a user equipment according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram 1 of a network side device according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram 2 of a network side device according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram 3 of a user equipment according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram 3 of a network side device according to an embodiment of the present invention.
  • GSM Global System for Mobile Communications
  • CDMA Code Division Multiple Access
  • the user equipment which is a wireless terminal, may be a device that provides voice and/or data connectivity to the user, a handheld device with wireless connectivity, or other processing device connected to the wireless modem.
  • the wireless terminal can communicate with one or more core networks via a radio access network (e.g., RAN, Radio Access Network).
  • a radio access network e.g., RAN, Radio Access Network
  • the wireless terminal can be a mobile terminal, such as a mobile phone (or "cellular" phone) or a computer with a mobile terminal, for example, a portable, pocket, handheld, computer built-in or in-vehicle mobile device that is wireless The access network exchanges voice and/or data.
  • the wireless terminal can be, for example: Personal Communication Service (PCS, Persona 1 Communication Service) Telephone, Cordless Telephone, Session Initiation Protocol (SIP) telephone, Wireless Local Loop (WLL) station, Personal Digital Assistant (PDA, Personal) Digital Assistant ) and other devices.
  • PCS Personal Communication Service
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • a wireless terminal may also be called a system, a Subscriber Unit, a Subscriber Station, a Mobile Station, a Mobile, a Remote Station, an Access Point, Remote Terminal, Access Terminal, User Terminal, User Agent, User Device, or User Equipment.
  • the air interface which is the air interface, also called the Um interface, is the interface between the mobile station (MS, mobile station) and the base transceiver station (BTS). Through this interface, the MS completes communication with the network side, and completes functions such as packet data transmission, mobility management, session management, and radio resource management.
  • MS mobile station
  • BTS base transceiver station
  • the air interface resource is a high frequency resource used for transmission between the user equipment and the network side equipment.
  • the network side device described in the embodiment of the present invention may be a wireless local area network WIFI router, or may be a network device such as a third generation mobile communication technology 3G network device, a gateway, a mobility management entity, etc.
  • the receiving end may be a user terminal, or may be another terminal that can be used for information transmission, and the embodiment of the present invention No restrictions.
  • the embodiment of the present invention provides a multi-party calling method, which is applied to a process of performing a multi-party call between a transmitting end and at least two receiving ends. As shown in FIG. 1, the method includes:
  • the sending end acquires communication data to be transmitted to the at least two receiving ends and an identifier of the at least two receiving ends.
  • Multi-party calling is a multi-party online call realized by various means, which can realize real-time online communication in multiple parties and in different places, mainly used in business meetings, and typical implementation methods such as conference calls.
  • the multi-party call method described in the embodiment of the present invention may be a multi-party voice call method or a multi-party video call method, which is not limited by the present invention.
  • the sending end first acquires communication data to be transmitted to the at least two receiving ends and identifiers of the at least two receiving ends, so as to transmit the data to be transmitted to at least two Receiving end.
  • the transmitting end obtains only one communication data to be transmitted to the at least two receiving ends, and the identifier of the receiving end is used to indicate the specific location where the receiving end is located, and each receiving end has a unique identifier, and the identifier of the receiving end may include, for example, the IP of the receiving end. Address and port number.
  • a mobile phone user A, B, and C perform a multi-party voice call.
  • user A sends voice data to users B and C
  • user A's mobile phone needs to first obtain voice data to be sent, user B's mobile phone identity, and user.
  • C's mobile phone logo For example, a mobile phone user A, B, and C perform a multi-party voice call.
  • the transmitting end sends the communication data and the identifiers of the at least two receiving ends to the network side device, so that the network side device forwards the communication data to the receiving ends corresponding to the identifiers of the at least two receiving ends respectively.
  • the multi-party calling method provided by the embodiment of the present invention introduces a network side device between the transmitting end and the at least two receiving ends of the multi-party call, and establishes a wireless connection between the network side device and the transmitting end.
  • the wireless connection between the network side device and the sending end may be connected by using a third generation mobile communication technology (3G, 3rd-generation), or may be connected by using a wireless local area network (WIFI, Wireless Fidelity), which is not limited by the embodiment of the present invention. .
  • 3G third generation mobile communication technology
  • WIFI wireless local area network
  • the sending end only needs to collect one communication data and send it to the network side device, and The identifiers of the at least two receiving ends are sent to the network side device, and then the network side device forwards the communication data to the at least two receiving ends according to the identifier of the receiving end.
  • the sending end needs to send a multi-party call request to the network side device to detect whether the network side device supports the multi-party call request. If the network side device supports the multiparty call request, the steps described in the embodiments of the present invention are implemented.
  • the transmitting end in the embodiment of the present invention may be an electronic device that establishes a wireless connection with a network side device, such as an electronic device such as a personal computer, an ipad, or a smart phone.
  • a network side device such as an electronic device such as a personal computer, an ipad, or a smart phone.
  • the network side device may be a wireless local area network W I F I router or a network side device of the third generation mobile communication technology 3G.
  • the identifier of the receiving end may also be another special identifier, which is identifiable by the network side device.
  • the embodiment of the present invention provides a multi-party calling method, where the sending end acquires communication data to be transmitted to at least two receiving ends and identifiers of at least two receiving ends, and then the transmitting end sends communication data to the network side device and identifiers of at least two receiving ends. So that the network side device forwards the communication data to the receiving end corresponding to the identifier of the at least two receiving ends, respectively.
  • the transmitting end sends the communication data to the network side device and the identifiers of the at least two receiving ends, so that the network side device forwards the communication data to the receiving end corresponding to the identifiers of the at least two receiving ends respectively, and completes the sending end and at least two.
  • the multi-party call between the receiving ends solves the problem that the transmitting end needs to send the same communication data to the receiving end separately, and ensures that only one piece of data is transmitted in the air interface, which saves air interface resources and reduces network delay.
  • Embodiment 2
  • the network side device described in the embodiment of the present invention may be a wireless local area network WIFI router, or may be a network device such as a third generation mobile communication technology 3G network device, a gateway, a mobility management entity, etc.
  • the receiving end may be a user terminal, or may be another terminal that can be used for information transmission, which is not limited in the embodiment of the present invention.
  • the embodiment of the present invention provides a multi-party calling method, which is applied to a process of performing a multi-party call between a transmitting end and at least two receiving ends. As shown in FIG. 2, the method includes:
  • the S20K network side device receives the communication data sent by the transmitting end to be transmitted to the at least two receiving ends and the identifiers of the at least two receiving ends.
  • the multi-party calling method provided by the embodiment of the present invention introduces a network side device between the transmitting end and the at least two receiving ends of the multi-party call, and establishes a wireless connection between the network side device and the transmitting end.
  • the wireless connection between the network side device and the sending end may be connected by using a third generation mobile communication technology (3G, 3rd-generation), or may be connected by using a wireless local area network (WIFI, Wireless Fidelity), which is not limited by the embodiment of the present invention. .
  • 3G third generation mobile communication technology
  • WIFI wireless local area network
  • the multi-party call method described in the embodiment of the present invention may be a multi-party voice call method or a multi-party video call method, which is not limited by the present invention.
  • the network side device first receives the communication data that is sent by the sending end and is to be transmitted to the at least two receiving ends, and the identifiers of the at least two receiving ends, according to at least two The identifier of the receiving end forwards the communication data separately.
  • the network side device receives only one copy of the communication data sent by the sending end, and the identifier of the receiving end is used to indicate the specific location where the receiving end is located, and each receiving end has a unique identifier, and the identifier of the receiving end may include, for example, the IP address of the receiving end and After the network side device receives the identifiers of the at least two receiving ends from the sending end, the network side device acquires specific information of the receiving end from the identifier.
  • the network side device Before the network side device receives the communication data to be transmitted by the transmitting end to the at least two receiving ends and the identifiers of the at least two receiving ends, the network side device needs to determine that it supports the multiparty calling request. If the network side device supports the multiparty call request, the various steps described in the embodiments of the present invention are implemented.
  • the network side device is a WIFI router
  • the mobile phone users A, B, and C make a multi-party voice call
  • the user A has established a wireless connection with the WIFI router.
  • the WIFI router first obtains the voice data to be sent sent by user A, the identifier of the user B's mobile phone, and the hand of user C. The logo of the machine.
  • the network side device forwards the communication data to the at least two receiving ends according to the identifiers of the at least two receiving ends.
  • the network side device After receiving the communication data to be transmitted to the at least two receiving ends and the identifiers of the at least two receiving ends, the network side device forwards the data to be transmitted to the receiving end.
  • the network side device forwards the communication data to the at least two receiving ends according to the identifiers of the at least two receiving ends, and completes data transmission of the multiparty call between the transmitting end and the at least two receiving ends.
  • the identifier of the receiving end may be an IP address and a port number of the receiving end, or may be other special identifiers, and the special identifier may be identified by the network side device.
  • the embodiment of the present invention provides a multi-party calling method, where the network side device receives the communication data to be transmitted to the at least two receiving ends and the identifiers of the at least two receiving ends, and then the network side device according to the identifiers of the at least two receiving ends, The communication data is forwarded to at least two receiving ends, respectively.
  • the transmitting end sends the communication data to the network side device and the identifiers of the at least two receiving ends, so that the network side device forwards the communication data to the receiving end corresponding to the identifiers of the at least two receiving ends respectively, and completes the sending end and at least two.
  • the multi-party call between the receiving ends solves the problem that the transmitting end needs to send the same communication data to the receiving end separately, and ensures that only one piece of data is transmitted in the air interface, which saves air interface resources and reduces network delay.
  • the network side device described in the embodiment of the present invention may be a wireless local area network WIFI router, or may be a network device such as a third generation mobile communication technology 3G network device, a gateway, a mobility management entity, etc.
  • the receiving end may be a user terminal, or may be another terminal that can be used for information transmission, which is not limited in the embodiment of the present invention.
  • the embodiment of the present invention provides a multi-party calling method, which is applied to a process of performing a multi-party call between a transmitting end and at least two receiving ends. As shown in FIG. 3, the method includes: S 301. The sending end sends a multi-party call request to the network side device.
  • the multi-party calling method provided by the embodiment of the present invention introduces a network side device between the transmitting end and the at least two receiving ends of the multi-party call, and establishes a wireless connection between the network side device and the transmitting end.
  • the sender needs to send a multiparty call request to the network side device to detect whether the network side device supports the multiparty call request, and determine the network side device support at the sending end. After the multiparty call request, continue with the next steps.
  • the process of sending a multiparty call request to the network side device by the sending end includes a detecting process and a negotiation process between the sending end and the network side device.
  • the detecting process is used by the network side device to detect whether the multi-party call is supported according to the packet information sent by the sending end to the network side device.
  • the network-side device obtains, according to the packet information sent by the sending end, the identifier of the sending end that initiates the multi-party call, and the identifier of at least two receiving ends that participate in the multi-party call.
  • the message sent by the sending end to the network side device may be a message including the information required for the detection process and the negotiation process, or may include the detection process respectively. Information and two different messages for the information required by the negotiation process.
  • the packet sent by the sending end to the network side device may be a single packet, or may be two different packets. Therefore, the embodiment of the present invention may separately use the following examples.
  • the sender sends a message to the network side device to describe the situation:
  • the sender sends a packet to the network side device to perform a detection process and a negotiation process between the sender and the network device.
  • the packet carries a multi-party call service identifier and an identifier of at least two receivers.
  • the network-side device can determine that the sender initiates a multi-party call according to the multi-party call service identifier.
  • the detection process and the negotiation process between the sender and the network side device can use the quality of service of the 3G protocol (Q os , Qua lity
  • Q os the quality of service of the 3G protocol
  • the service is used to complete the query detection.
  • the Qos mechanism of the WIFI protocol can also be used to complete the detection to improve the detection efficiency.
  • the QoS mechanism of the 3G protocol used in the detection process and the negotiation process is completed between the sender and the network device.
  • the specific format of the packet is shown in Table 1:
  • Port Octel 26-27 where Octet 1 and Octet 2-18 are parameters in the Qos mechanism. Bits in Octel 19 indicate whether the network side device supports the feature, source port number, destination IP address, and number of destination ports. Octel 20 -25 indicates one of the destination IP addresses, Octel 26-27 indicates one of the destination port numbers, and the other identifies the remaining destination IP address and destination port number. The destination IP address and the destination port number are the IPs of the receiving end described in the embodiment of the present invention. Address and port number on the receiving end.
  • the network side device receives the multiparty call request.
  • the network side device can learn that the sender initiates a multiparty call according to the Octel 19, Octel 20-25, and other bits indicating the IP address and port number of the receiving end according to the multiparty call request, and learns that the sender and the at least two receivers IP address, port number.
  • the transmitting end sends two different packets to the network side device, and performs a detection process and a negotiation process between the transmitting end and the network side device respectively.
  • the detecting process is performed between the sending end and the network side device, and the sending end sends a request packet of the detecting process to the network side device, where the packet carries a multi-party call service identifier, and is used by the network side device according to the multi-party call service.
  • the identity determines that the sender initiated a multiparty call.
  • Table 2 the format of the request packet of the detection process sent by the sending end to the network side device is shown in Table 2:
  • message types, requests, and reservations are saved with corresponding fields.
  • the network-side device learns that the sender initiates a multi-party call based on the field carried and saved in the packet.
  • the sending end and the network side device complete the negotiation process, and the sending end sends the request message of the negotiation process to the network side device, where the packet carries the IP address, the port number, and at least two of the sending end.
  • the IP address and the port number of the receiving end are used to enable the network side device to learn the identity of the sending end and the at least two receiving ends.
  • the format of the request packet of the negotiation process 3 sent by the sending end to the network side device is as shown in Table 3:
  • the message type, request, address type, operation, address purpose and address information are saved with corresponding fields.
  • the network side device After receiving the packet, the network side device knows the address information/unique identifier of the sender and the at least two receivers according to the field carried and saved by the packet, and the identifier includes at least the IP address and the port number.
  • the identifiers of the sending end and the at least two receiving ends may use other special identifiers, which are identifiable by the network side device.
  • the request for the ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ , , , The header is identifiable by the network side device.
  • the sending end in the embodiment of the present invention may be an electronic device that establishes a wireless connection with the network side device, such as an electronic device such as a personal computer, an ipad, and a smart phone.
  • the network side device may be a wireless local area network WIFI router or a third generation.
  • the network side device of the mobile communication technology 3G is not limited in the embodiment of the present invention.
  • the network side device If the network side device supports multiparty calling, the network side device sends the sending end to the sending end. A first response message corresponding to the multiparty call request is sent.
  • the network side device After receiving the multi-party call request sent by the sending end, the network side device performs corresponding processing according to the information carried in the message of the multi-party call request, and then sends a response message to the sending end.
  • the process of sending a multi-party call request to the network side device by the sending end includes a detecting process and a negotiation process between the sending end and the network side device. Therefore, after receiving the multi-party call request sent by the sending end, the network side device according to the multi-party call request The information carried in the packet completes the detection process and the negotiation process.
  • the network side device needs to send the message to the sending end, whether the packet sent by the sending end to the network side device is one packet or two different packets.
  • a first response message where the first response message includes a feedback message and an acknowledgment message, where the feedback message is used to indicate that the network side device supports the multiparty call at the sending end, and the acknowledgment message is used to indicate that the network side device of the sending end has obtained the unique identifier of the sending end. At least two identifiers of the receiving end.
  • the network side device detects whether the multi-party call is supported by the network side device, and after determining that the multi-party call is supported, the network side device sends the multi-party call request sent by the sending end to the transmitting end. Sending a feedback message, where the feedback message is used to indicate that the network side device supports the multi-party call, so that the sending end further sends data or a request to the network side device.
  • the format of the message sent by the network side device to the sender is as shown in Table 4:
  • the message type, the response, and the query result are saved with corresponding fields.
  • the query result field of the message is a multi-party call.
  • the network side device If the network side device does not support the multi-party call, the network side device sends a feedback message to the sender that does not support the multi-party call, and is used to indicate that the network side device does not support the multi-party call, so that the sending end is no longer to the network side.
  • the device sends a multiparty call request.
  • the sender can connect Receiving a feedback message corresponding to the multi-party call request sent by the network side device to the sending end, where the feedback message is used to indicate that the network device of the sending end supports the multi-party call, so that the sending end can further send data to the network side device. Or other request.
  • the network side device obtains the unique identifier of the sending end that initiates the multiparty call and the identifier of the at least two receiving ends, and sends an acknowledgement message to the sending end, where the acknowledgement message is used.
  • the network side device of the sending end is instructed to obtain the unique identifier of the sending end and the identifier of the at least two receiving ends.
  • the format of the acknowledgement message sent by the network side device to the sender is as shown in Table 5:
  • the network side device sends the message to the sending end, where the message carries the information that the network side has learned the identity of the sending end and the at least two receiving ends.
  • the sending end can receive an acknowledgement message corresponding to the multiparty calling request sent from the network side device to the sending end, where the acknowledgement message is used.
  • the network side device of the sending end is instructed to obtain the unique identifier of the sending end and the identifier of the at least two receiving ends.
  • the sending end sends, to the network side device, a link establishment request that includes an identifier of the at least two receiving ends.
  • the sending end device learns that the network side device supports the multi-party call, and the network side device has obtained the unique identifier of the sending end and at least The identifier of the two receiving ends, and then the sending end sends a link establishment request including the identifier of the at least two receiving ends to the network side device, so that the network side device receives the network side device and the at least two receiving according to the link establishing request.
  • the links between the ends are connected.
  • a packet with a link establishment request sent by the sender to the network side carries a field that establishes a connection with at least two receivers.
  • the network side device After receiving the packet of the link establishment request, the network side device performs link connection according to the information carried in the packet.
  • the sending end sends a link disconnect request including the identifier of the at least two receiving ends to the network side device, and after receiving the link disconnection request, the network side device according to the link disconnect request Disconnect the link between the network side device and the at least two receiving ends.
  • the format of the packet of the link disconnection request sent by the sending end to the network side device is as shown in Table 6. It should be noted that the field of the link disconnection request is the same as the field type of the link establishment request. The specific field content is different.
  • the network side device establishes a link connection with at least two receiving ends according to the link establishment request.
  • the network side device After receiving the link setup request sent by the sender, the network side device establishes a link connection with at least two receivers according to the information carried in the packet of the link setup request, so that the sender can successfully send data to at least Two receiving ends.
  • the network side device sends a second response message corresponding to the link establishment request to the sending end.
  • the network side device receives the link establishment request sent by the sending end, and after establishing a link with the at least two receiving ends according to the link establishment request, sends a second response message to the sending end.
  • the network side device receives the link establishment request sent by the sending end, and after establishing a link connection with the at least two receiving ends according to the identifiers of the at least two receiving ends, sending the link establishing request corresponding to the link establishing request to the sending end. a second response message, so that if the network side device receives the communication data from the transmitting end that needs to be transmitted to the at least two receiving ends, the network side device divides the at least two receiving ends according to the identifiers of the at least two receiving ends Do not forward data.
  • the identifier of the receiving end includes at least an IP address and a port number.
  • the message format of the second response message sent by the network side device to the sender is as shown in Table 7:
  • the network side device stores the result of the link connection between the at least two receiving ends and the network side device in a field of success.
  • the sending end learns the network side according to the information saved in the success field of the packet. Whether the device successfully connects the link between at least two receivers and the network side device.
  • the network side device disconnects the link between the network side device and the at least two receiving ends according to the identifier of the at least two receiving ends.
  • the network side device After the network side device disconnects the link between the network side device and the at least two receiving ends, the network side device also sends a second response message including the disconnected connection to the transmitting end, where the disconnected The second response message is used to indicate that the network side device of the transmitting end has disconnected the link with the at least two receiving ends, and the packet format is as shown in Table 7.
  • the network side device stores the result of disconnecting the link between the at least two receiving ends and the network side device in a field of success. After receiving the message, the sending end learns according to the information saved in the success field of the message. Whether the network side device successfully disconnects the link between the at least two receiving ends and the network side device.
  • the sending end sends a link connectivity detection request to the network side device.
  • the sending end After receiving the second response message that is sent by the network side device and successfully connecting the link between the at least two receiving ends and the network side device, the sending end knows that between the network side device and the at least two receiving ends A connection has been established, and it is necessary to further verify whether the link between the sender and the at least two receivers is connected.
  • the sending end sends a link connectivity detection request to the network side device, so that the network side device performs connectivity detection on the link between the network side device and the at least one receiving end according to the request.
  • NAT network address translation
  • NAT Network Address Translation
  • the network side device can receive the link connectivity detection request from the transmitting end.
  • the network side device detects whether a link between the network side device and the at least two receiving ends is connected.
  • the network side device After receiving the link connectivity detection request sent by the sending end, the network side device detects whether the link between the network side device and the at least two receiving ends is connected according to the IP address and the port number of the at least two receiving ends.
  • the network side device after receiving the link connectivity request, the network side device detects whether the link between the network side device and the at least two receiving ends with the private address is already connected.
  • the third response message is used to indicate that the link between the network side device of the sending end and the at least two receiving ends is already connected.
  • the network side device After receiving the link connectivity detection request sent by the sending end, the network side device detects the link according to the request, and after detecting the connectivity of the link between the network side device and the at least two receiving ends, Send the corresponding response message to the sender. Specifically, if the network side device detects that the link between itself and the at least two receiving ends is already connected, sending a third response message corresponding to the link connectivity detection request to the sending end, where the third response message is used. The link between the network device on the sending end and the at least two receiving ends is connected, so that the data sent by the sending end can be accurately sent to the at least two receiving ends by the network side device.
  • the message format of the third response message sent by the network side device to the sending end is as shown in Table 8:
  • the network side device stores the link connectivity detection result between the at least two receiving ends and the network side device in the connectivity detection result information field.
  • the sending end receives a third response message corresponding to the link connectivity detection request sent by the network side device. After receiving the packet of the third response message, the sending end learns whether the link between the at least two receiving ends and the network side device detected by the network side device is connected according to the information stored in the connectivity detecting result information field in the packet.
  • the network side device if the network side device detects that the link between the network side device and the at least two receiving ends is not connected, the network side device sends a fourth response message corresponding to the link connectivity detecting request to the transmitting end.
  • the fourth response message is used to indicate that the link between the network side device of the sending end and the at least two receiving ends is not connected. Therefore, the data sent by the sender cannot be accurately sent to the receiver through the network side device.
  • the sending end receives the fourth response message corresponding to the link connectivity detection request sent by the network side device, and passes the fourth The response message learns that the network side device cannot accurately transmit data to at least two receiving ends.
  • the sending end acquires communication data to be transmitted to the at least two receiving ends and an identifier of the at least two receiving ends. Specifically, when the sender and the at least two receivers perform a multi-party call, and the link between the sender and the at least two receivers is already connected, the sender first acquires communication data to be transmitted to the at least two receivers, and Identification of at least two receiving ends to transmit data to be transmitted to at least two receiving ends.
  • the transmitting end only obtains a communication data to be transmitted to the at least two receiving ends, and the identifier of the receiving end is used to indicate the specific location where the receiving end is located, and each receiving end has a unique identifier, and the identifier of the receiving end includes at least the IP address of the receiving end. And port number.
  • a mobile phone user A, B, and C perform a multi-party voice call.
  • user A sends voice data to users B and C
  • user A's mobile phone needs to first obtain voice data to be sent, user B's mobile phone identity, and user.
  • C's mobile phone logo For example, a mobile phone user A, B, and C perform a multi-party voice call.
  • the sending end sends the communication data to the network side device and the identifiers of the at least two receiving ends.
  • the sending end only needs to collect one communication data and send it to the network side device, and send the identifiers of the at least two receiving ends to the network side device, and then the network side device forwards the communication data to at least two according to the identifier of the receiving end.
  • Receiver the sending end only needs to collect one communication data and send it to the network side device, and send the identifiers of the at least two receiving ends to the network side device, and then the network side device forwards the communication data to at least two according to the identifier of the receiving end.
  • the S 3 1 K network side device forwards the communication data to the receiving end corresponding to the identification of at least two receiving ends.
  • the embodiment of the present invention provides a multi-party calling method, where the network side device receives the communication data to be transmitted to the at least two receiving ends and the identifiers of the at least two receiving ends, and then the network side device forwards the communication data to at least two The receiving end corresponding to the identifier of the receiving end.
  • the transmitting end sends the communication data to the network side device and the identifiers of the at least two receiving ends, so that the network side device forwards the communication data to the receiving end corresponding to the identifiers of the at least two receiving ends respectively, and completes the sending end and at least two.
  • the multi-party call between the receiving ends solves the problem that the transmitting end needs to send the same communication data to the receiving end separately, and ensures that only one piece of data is transmitted in the air interface, which saves air interface resources and reduces network delay.
  • the sending end described in the embodiment of the present invention may be a user terminal, or may be other The terminal that can be used for information transmission is not limited in the present invention.
  • the embodiment of the present invention uses the user equipment as an example to describe the specific embodiment of the present invention.
  • the user equipment provided by the embodiment of the present invention is used to implement the method provided by the foregoing embodiments.
  • the embodiment of the present invention provides a user equipment 1 as shown in FIG. 4, including: an obtaining unit 10, configured to acquire communication data to be transmitted to the at least two receiving ends and an identifier of the at least two receiving ends;
  • the first sending unit 1 1 is configured to send, by the network side device, the communication data acquired by the acquiring unit 10 and the identifiers of the at least two receiving ends, so that the network side device forwards the communication data respectively a receiving end corresponding to the identifier of the at least two receiving ends.
  • the first sending unit 1 1 is further configured to send a multi-party call request to the network side device before sending the communication data and the identifier of the at least two receiving ends to the network side device, and a link establishment request for sending the identifier of the at least two receiving ends to the network side device, so that the network side device establishes a link connection with the at least two receiving ends;
  • the user equipment 1 further includes a first receiving unit 1 2;
  • the first receiving unit 1 2 is configured to: if the network side device supports a multi-party call, receive a first response message that is sent by the network side device and is corresponding to the multi-party call request, the first response message.
  • the network side device of the user equipment 1 is configured to support the multi-party call, and the network side device has obtained the identifiers of the user equipment and the at least two receiving ends.
  • the identifier of the receiving end includes at least an IP address and a port number of the receiving end.
  • An embodiment of the present invention provides a user equipment, which mainly includes an acquiring unit and a first sending unit.
  • the acquiring unit acquires communication data to be transmitted to the at least two receiving ends and the identifiers of the at least two receiving ends, and then the first sending unit sends the communication data and the identifiers of the at least two receiving ends to the network side device, so that the network side device will communicate the data. Forwarding to the receiving end corresponding to the identifier of at least two receiving ends respectively.
  • the user equipment sends communication data to the network side device and at least two receivers
  • the network side device forwards the communication data to the receiving end corresponding to the identifiers of the at least two receiving ends, and completes the multi-party call between the user equipment and the at least two receiving ends, and solves that the user equipment separately sends the same to the receiving end.
  • the problem of communication data ensures that only one piece of data is transmitted in the air interface, which saves air interface resources and reduces network delay.
  • the embodiment of the present invention provides a network side device 2, and the network side device 2 provided by the embodiment of the present invention is used to implement the method provided by the foregoing embodiments. As shown in Figure 6, it includes:
  • the second receiving unit 20 is configured to receive, by the sending end, communication data to be transmitted to the at least two receiving ends and an identifier of the at least two receiving ends;
  • the second sending unit 21 is configured to forward the communication data to the at least two receiving ends according to the identifiers of the at least two receiving ends received by the second receiving unit 20, respectively.
  • the second receiving unit 20 is further configured to: before receiving, by the sending end, the communication data to be transmitted to the at least two receiving ends and the identifier of the at least two receiving ends, receiving the sending from the sending end a multiparty call request, and a link setup request for receiving an identifier from the sender that includes the at least two receivers;
  • the second sending unit 21 is further configured to: if the network side device supports the multi-party call, send a first response message corresponding to the multi-party call request to the sending end, where the first response message is used to indicate The network side device at the sending end supports a multiparty call;
  • the network side device 2 further includes a processing unit 22;
  • the processing unit 22 is configured to establish a link connection with the at least two receiving ends according to the link establishment request received by the second receiving unit 20.
  • the identifier of the receiving end includes at least an IP address and a port number of the receiving end.
  • the network side device may be a wireless local area network WIFI router or a Network side equipment of 3G mobile communication technology 3G.
  • the embodiment of the invention provides a network side device, which mainly includes a second receiving unit and a second sending unit.
  • the second receiving unit receives the communication data to be transmitted to the at least two receiving ends and the identifiers of the at least two receiving ends, and then the second sending unit forwards the communication data to the receiving ends corresponding to the identifiers of the at least two receiving ends.
  • the transmitting end sends the communication data to the network side device and the identifiers of the at least two receiving ends, so that the network side device forwards the communication data to the receiving end corresponding to the identifiers of the at least two receiving ends respectively, and completes the sending end and at least two.
  • the multi-party call between the receiving ends solves the problem that the transmitting end needs to send the same communication data to the receiving end separately, and ensures that only one piece of data is transmitted in the air interface, which saves air interface resources and reduces network delay.
  • the transmitting end described in the embodiment of the present invention may be a user terminal, or may be another terminal that can be used for information transmission, and the present invention is not limited thereto.
  • the embodiment of the present invention uses the user equipment as an example to describe the specific embodiment of the present invention.
  • the embodiment of the present invention provides a user equipment 3, which is provided by the user equipment provided by the embodiments of the present invention.
  • the method includes: a first receiver 30, configured to receive data from the outside;
  • the first processor 32 is configured to acquire communication data to be transmitted to the at least two receiving ends and an identifier of the at least two receiving ends;
  • the communication data acquired by the first receiver 30 and the identifier of the at least two receiving ends are sent to the network side device by the first transmitter 31 to enable the network side device to use the communication data. Forwarding to the receiving end corresponding to the identifier of the at least two receiving ends respectively.
  • the first processor 32 is further configured to send, by using the first transmitter 31, the network side device, before sending the communication data and the identifier of the at least two receiving ends to the network side device.
  • Multi-party call request and for use in the network
  • the side device sends a link establishment request including the identifiers of the at least two receiving ends, so that the network side device establishes a link connection with the at least two receiving ends;
  • the first processor 32 is further configured to receive, by the first receiver 30, a first response message that is sent by the network side device and is corresponding to the multiparty call request, if the network side device supports a multiparty call.
  • the first response message is used to indicate that the network side device of the user equipment 3 supports the multi-party call, and the network side device has obtained the identifiers of the user equipment and the at least two receiving ends.
  • the identifier of the receiving end includes at least an IP address and a port number of the receiving end.
  • the embodiment of the invention provides a user equipment, which mainly comprises a first receiver, a first transmitter and a first processor.
  • the first processor acquires the communication data to be transmitted to the at least two receiving ends and the identifiers of the at least two receiving ends, and then sends the communication data and the identifiers of the at least two receiving ends to the network side device by using the first transmitter, so that the network side device
  • the communication data is respectively forwarded to the receiving end corresponding to the identifier of at least two receiving ends.
  • the user equipment sends the communication data to the network side device and the identifiers of the at least two receiving ends, so that the network side device forwards the communication data to the receiving end corresponding to the identifiers of the at least two receiving ends respectively, and completes the user equipment and at least two
  • the multi-party call between the receiving ends solves the problem that the user equipment needs to send the same communication data to the receiving end separately, and ensures that only one data is transmitted in the air interface, which saves the air interface resources and reduces the network delay.
  • the network side device 4 is provided by the embodiment of the present invention.
  • the network side device provided by the embodiment of the present invention is used to implement the method provided by the foregoing embodiments. As shown in FIG. 9, the method includes: a second receiver 4 0, configured to receive data from the outside;
  • a second transmitter 4 1 for transmitting data to the outside
  • the second processor 42 is configured to receive, by using the second receiver 40, communication data that is sent by the sending end to be sent to the at least two receiving ends, and an identifier of the at least two receiving ends, and is further configured to be used according to the second The at least two receiving ends received by the receiver 40 Identifying, by the second transmitter 41, the communication data is respectively forwarded to the at least two receiving ends.
  • the second processor 42 is further configured to receive, by the second receiver 40, the communication data to be transmitted to the at least two receiving ends and the identifiers of the at least two receiving ends that are sent by the sending end. a multi-party call request sent by the sending end, and receiving a link establishment request sent by the sending end, including an identifier of the at least two receiving ends;
  • the second processor 42 is further configured to: if the network side device supports the multi-party call, send, by using the second transmitter 41, a first response message corresponding to the multi-party call request to the sending end, where the first The response message is used to indicate that the network side device of the sending end supports multiparty calling;
  • the second processor 42 is further configured to establish a link connection with the at least two receiving ends according to the received link establishment request.
  • the identifier of the receiving end includes at least an IP address and a port number of the receiving end.
  • the network side device may be a wireless local area network W I F I router or a network side device of the third generation mobile communication technology 3G.
  • the embodiment of the invention provides a network side device, which mainly includes a second receiver, a second transmitter and a second processor.
  • the second processor acquires, by the second receiver, communication data to be transmitted to the at least two receiving ends and identifiers of the at least two receiving ends, and then the second processor forwards the communication data to the at least two receiving ends respectively through the second transmitter Identify the corresponding receiving end.
  • the transmitting end sends the communication data to the network side device and the identifiers of the at least two receiving ends, so that the network side device forwards the communication data to the receiving end corresponding to the identifiers of the at least two receiving ends respectively, and completes the sending end and at least two.
  • the multi-party call between the receiving ends solves the problem that the transmitting end needs to send the same communication data to the receiving end separately, and ensures that only one piece of data is transmitted in the air interface, which saves air interface resources and reduces network delay.
  • the foregoing method includes the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
  • a medium that can store program codes such as a ROM, a RAM, a magnetic disk, or an optical disk.

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Abstract

本发明实施例提供一种多方通话方法及装置,涉及通信领域,能够节省空口资源,降低网络时延和空口的不稳定性。该方法包括:发送端获取待传输给所述至少两个接收端的通信数据以及所述至少两个接收端的标识;所述发送端向网络侧设备发送所述通信数据以及所述至少两个接收端的标识,以使得所述网络侧设备将所述通信数据分别转发至所述至少两个接收端的标识对应的接收端。

Description

一种多方通话方法及装置 技术领域
本发明涉及通信领域, 尤其涉及一种多方通话方法及装置。 背景技术
伴随着通信技术的迅猛发展, 移动终端的功能和通话的方式越 来越多。 多方通话的出现, 让我们的工作生活得到了很大的便利。 多方通话, 即通过各种手段实现的多方在线通话, 可以实现多方、 异地实时的在线交流, 实现方式如电话会议、 视频会议等。
在现有技术中, 参与多方通话的终端要分别向参与通话的终端 发送相同的数据。 然而, 由于参与多方通话的终端都要分别向参与 通话的终端发送相同的数据, 造成了流量的剧增, 同时增加了 网络 的时延。
发明内容
本发明的实施例提供一种多方通话方法及装置, 能够节省空口 资源, 降低网络时延。
为达到上述目的, 本发明的实施例釆用如下技术方案: 第一方面, 本发明实施例提供一种多方通话方法, 应用于发送 端与至少两个接收端之间进行多方通话的过程中, 所述方法包括: 发送端获取待传输给所述至少两个接收端的通信数据以及所述 至少两个接收端的标识;
所述发送端向网络侧设备发送所述通信数据以及所述至少两个 接收端的标识, 以使得所述网络侧设备将所述通信数据分别转发至 所述至少两个接收端的标识对应的接收端。
在第一方面的第一种可能的实现方式中, 在所述发送端向网络 侧设备发送所述通信数据以及所述至少两个接收端的标识之前, 所 述方法还包括:
所述发送端向所述网络侧设备发送多方通话请求; 若所述网络侧设备支持多方通话, 所述发送端则接收来自所述 网络侧设备发送的对应于所述多方通话请求的第一响应消息, 所述 第一响应消息用于指示所述发送端所述网络侧设备支持多方通话和 所述网络侧设备已获取发送端与至少两个接收端的标识;
所述发送端向所述网络侧设备发送包括所述至少两个接收端的 标识的链路建立请求, 以使所述网络侧设备与所述至少两个接收端 建立链路连接。
结合前述的第一方面或第一方面的第一种可能的实现方式, 在 第一方面的第二种可能的实现方式中, 所述接收端的标识至少包括 所述接收端的 I P地址和端口号。
第二方面, 本发明实施例还提供一种多方通话方法, 应用于发 送端与至少两个接收端之间进行多方通话的过程中, 所述方法包括: 网络侧设备接收发送端发送的待传输给所述至少两个接收端的 通信数据以及所述至少两个接收端的标识;
所述网络侧设备根据所述至少两个接收端的标识, 将所述通信 数据分别转发至所述至少两个接收端。
在第二方面的第一种可能的实现方式中, 在所述网络侧设备接 收发送端发送的待传输给所述至少两个接收端的通信数据以及所述 至少两个接收端的标识之前, 所述方法还包括:
所述网络侧设备接收来自所述发送端发送的多方通话请求; 若所述网络侧设备支持多方通话, 所述网络侧设备则向所述发 送端发送对应于所述多方通话请求的第一响应消息, 所述第一响应 消息用于指示所述发送端所述网络侧设备支持多方通话和所述网络 侧设备已获取发送端与至少两个接收端的标识;
所述网络侧设备接收来自所述发送端发送的包括所述至少两个 接收端的标识的链路建立请求;
所述网络侧设备根据所述链路建立请求与所述至少两个接收端 建立链路连接。
结合前述的第二方面或第二方面的第一种可能的实现方式, 在 第二方面的第二种可能的实现方式中, 所述接收端的标识至少包括 所述接收端的 I P地址和端口号。
第三方面, 本发明实施例提供一种用户设备, 用于与至少两个 接收端之间进行多方通话, 包括:
获取单元, 用于获取待传输给所述至少两个接收端的通信数据 以及所述至少两个接收端的标识;
第一发送单元, 用于向网络侧设备发送所述获取单元获取的所 述通信数据以及所述至少两个接收端的标识, 以使得所述网络侧设 备将所述通信数据分别转发至所述至少两个接收端的标识对应的接 收端。
在第三方面的第一种可能的实现方式中, 所述第一发送单元, 还用于在向所述网络侧设备发送所述通信数据以及所述至少两个接 收端的标识之前, 向所述网络侧设备发送多方通话请求, 以及用于 向所述网络侧设备发送包括所述至少两个接收端的标识的链路建立 请求, 以使所述网络侧设备与所述至少两个接收端建立链路连接; 所述用户设备还包括第一接收单元;
所述第一接收单元, 用于若所述网络侧设备支持多方通话, 则 接收来自所述网络侧设备发送的对应于所述多方通话请求的第一响 应消息, 所述第一响应消息用于指示所述用户设备所述网络侧设备 支持多方通话和所述网络侧设备已获取所述用户设备与至少两个接 收端的标识。
结合前述的第三方面或第三方面的第一种可能的实现方式, 在 第三方面的第二种可能的实现方式中, 所述接收端的标识至少包括 所述接收端的 I P地址和端口号。
第四方面, 本发明实施例提供一种网络侧设备, 用于发送端与 至少两个接收端之间进行多方通话, 包括:
第二接收单元, 用于接收发送端发送的待传输给所述至少两个 接收端的通信数据以及所述至少两个接收端的标识;
第二发送单元, 用于根据所述第二接收单元接收的所述至少两 个接收端的标识, 将所述通信数据分别转发至所述至少两个接收端。 在第四方面的第一种可能的实现方式中, 所述第二接收单元, 还用于在接收所述发送端发送的待传输给至少两个接收端的通信数 据以及所述至少两个接收端的标识之前, 接收来自所述发送端发送 的多方通话请求, 以及用于接收来自所述发送端发送的包括所述至 少两个接收端的标识的链路建立请求;
所述第二发送单元, 还用于若所述网络侧设备支持多方通话, 则向所述发送端发送对应于所述多方通话请求的第一响应消息, 所 述第一响应消息用于指示所述发送端所述网络侧设备支持多方通话 和所述网络侧设备已获取发送端与至少两个接收端的标识;
所述网络侧设备还包括处理单元;
所述处理单元, 用于根据所述第二接收单元接收到的所述链路 建立请求与所述至少两个接收端建立链路连接。
结合前述的第四方面或第四方面的第一种可能的实现方式, 在 第四方面的第二种可能的实现方式中, 所述接收端的标识至少包括 所述接收端的 I P地址和端口号。
本发明实施例提供一种多方通话方法及装置, 发送端获取待传 输给至少两个接收端的通信数据以及至少两个接收端的标识, 然后, 发送端向网络侧设备发送通信数据以及至少两个接收端的标识, 以 使得网络侧设备将通信数据分别转发至至少两个接收端的标识对应 的接收端。 通过该方案, 由于发送端向网络侧设备发送通信数据以 及至少两个接收端的标识, 使得网络侧设备将通信数据分别转发至 至少两个接收端的标识对应的接收端, 完成了发送端与至少两个接 收端之间的多方通话, 解决了发送端要分别向接收端发送相同的通 信数据的问题, 保证在空口只有一份数据被传送, 节省了空口资源, 降低了网络时延。
附图说明
为了更清楚地说明本发明实施例中的技术方案, 下面将对实施 例描述中所需要使用的附图作简单地介绍, 显而易见地, 下面描述 中的附图仅仅是本发明的一些实施例, 对于本领域普通技术人员来 讲, 在不付出创造性劳动的前提下, 还可以根据这些附图获得其他 的附图 (
图 1 为本发明实施例的多方通话方法流程示意图一
图 2为本发明实施例的多方通话方法流程示意图二
图 3为本发明实施例的多方通话方法流程示意图三
图 4为本发明实施例的用户设备结构示意图一;
图 5为本发明实施例的用户设备结构示意图二;
图 6为本发明实施例的网络侧设备结构示意图一;
图 7为本发明实施例的网络侧设备结构示意图二;
图 8为本发明实施例的用户设备结构示意图三;
图 9为本发明实施例的网络侧设备结构示意图三。
具体实施方式
下面将结合本发明实施例中的附图, 对本发明实施例中的技术 方案进行清楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明 一部分实施例, 而不是全部的实施例。 基于本发明中的实施例, 本 领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他 实施例, 都属于本发明保护的范围。
本发明实施例中描述的各种技术可用于存在共享数据且在网络 路径中存在带宽瓶颈的通信系统中, 例如全球移动通信系统 ( GSM, Global System for Mobile communications ), 码分多址 ( CDMA,
Code Division Multiple Access ) 系统, 时分多址 ( TDMA , Time Division Multiple Access ) 系统, 宽带码分多址( WCDMA, Wideband Code Division Multiple Access Wireless ) 系统, 频分多址 ( FDMA, Frequency Division Multiple Addressing ) 系统, 正交频分多址 ( OFDMA , Orthogonal Frequency-Division Multiple Access ) 系 统,单载波 FDMA( SC-FDMA )系统,通用分组无线业务( GPRS, General Packet Radio Service )系统, 长期演进( LTE, Long Term Evolut ion ) 系统, 以及其他此类通信系统。 用户设备, 是无线终端, 无线终端可以是向用户提供语音和 / 或数据连通性的设备, 具有无线连接功能的手持式设备、 或连接到 无线调制解调器的其他处理设备。 无线终端可以经无线接入网 (例 如, RAN, Radio Access Network ) 与一个或多个核心网进行通信。 无线终端可以是移动终端, 如移动电话 (或称为 "蜂窝" 电话) 或 具有移动终端的计算机, 例如, 可以是便携式、 袖珍式、 手持式、 计算机内置的或者车载的移动装置, 它们与无线接入网交换语音和 / 或数据。 无线终端例如可以为: 个人通信业务 ( PCS , Persona 1 Communication Service ) 电话、 无绳电话、 会话发起协议 ( SIP ) 话机、 无线本地环路 ( WLL, Wireless Local Loop ) 站、 个人数字 助理 ( PDA, Personal Digital Assistant ) 等设备。 无线终端也可 以称为系统、 订户单元 ( Subscriber Unit )、 订户站 ( Subscriber Station ), 移动站 ( Mobile Station ), 移动台 ( Mobile ), 远程站 ( Remote Station ), 接入点 ( Access Point )、 远程终端 ( Remote Terminal )、 接入终端 ( Access Terminal )、 用 户 终端 ( User Terminal ), 用户代理 ( User Agent )、 用户设备 ( User Device ), 或用户装备 ( User Equipment )。
空口, 就是空中接口, 也称 Um 接口, 是移动台 ( MS, mobile station ) 和基站收发信台 ( BTS, base transceiver station ) 之 间的接口。 通过该接口, MS完成与网络侧的通信, 完成分组数据传 送、 移动性管理、 会话管理、 无线资源管理等多方面的功能。
空口资源, 就是用户设备和网络侧设备之间用来传输的高频频 率资源。
实施例一
本发明实施例所描述的网络侧设备可以是无线局域网 WIFI 路 由器, 也可以是第三代移动通信技术 3G的网络设备、 网关、 移动管 理实体等网络设备; 本发明实施例所描述的发送端与接收端可以是 用户终端, 也可以是其他可以用于信息传输的终端, 本发明实施例 不做限制。
本发明实施例提供一种多方通话方法, 应用于发送端与至少两 个接收端之间进行多方通话的过程中, 如图 1所示, 该方法包括:
5101、 发送端获取待传输给所述至少两个接收端的通信数据以 及所述至少两个接收端的标识。
多方通话, 就是通过各种手段实现的多方在线通话, 可以实现 多方、 异地实时的在线交流, 主要应用于商务会谈, 典型的实现方 式如电话会议。
需要说明的是, 本发明实施例描述的多方通话方法, 可以是多 方语音通话方法, 也可以是多方视频通话方法, 本发明并不做限定。
具体的, 发送端与至少两个接收端之间进行多方通话时, 发送 端首先获取待传输至至少两个接收端的通信数据以及至少两个接收 端的标识, 以将待传输数据传输至至少两个接收端。
其中,发送端只获取一份待传输至至少两个接收端的通信数据, 接收端的标识用于指示接收端所在的具体位置, 每个接收端有唯一 的标识, 接收端的标识例如可以包括接收端的 I P地址和端口号。
例如, 手机用户 A、 B、 C之间进行多方语音通话, 当用户 A向 用户 B、 C发送语音数据时, 用户 A的手机需首先获取待发送的语音 数据、 用户 B的手机的标识和用户 C的手机的标识。
5102、 发送端向网络侧设备发送通信数据以及至少两个接收端 的标识, 以使得网络侧设备将通信数据分别转发至至少两个接收端 的标识对应的接收端。
本发明实施例提供的多方通话方法, 在参与多方通话的发送端 与至少两个接收端之间引入了网络侧设备, 网络侧设备与发送端之 间建立无线连接。
可选的, 网络侧设备与发送端的无线连接可以使用第三代移动 通信技术( 3G, 3rd-generation )连接,也可以使用无线局域网( WIFI , Wireless Fidelity ) 连接, 本发明实施例并不做限定。
具体的, 发送端只需釆集一份通信数据发送至网络侧设备, 并 将至少两个接收端的标识发送至网络侧设备, 然后网络侧设备根据 接收端的标识将该通信数据分别转发至至少两个接收端。
进一步地, 发送端在发送通信数据给接收端之前, 需要给网络 侧设备发送多方通话请求, 检测网络侧设备是否支持多方通话请求。 若网络侧设备支持多方通话请求, 则本发明实施例描述的各个步骤 得以实现。
示例性的, 本发明实施例中的发送端可以为与网络侧设备建立 无线连接的电子设备, 如个人电脑、 i pa d以及智能手机等电子设备。
网络侧设备可以是无线局域网 W I F I 路由器或第三代移动通信 技术 3G的网络侧设备。
需要说明的是, 接收端的标识也可以为其他特殊标识, 该特殊 标识为网络侧设备可以识别的。
本发明实施例提供一种多方通话方法, 发送端获取待传输给至 少两个接收端的通信数据以及至少两个接收端的标识, 然后, 发送 端向网络侧设备发送通信数据以及至少两个接收端的标识, 以使得 网络侧设备将通信数据分别转发至至少两个接收端的标识对应的接 收端。 通过该方案, 由于发送端向网络侧设备发送通信数据以及至 少两个接收端的标识, 使得网络侧设备将通信数据分别转发至至少 两个接收端的标识对应的接收端, 完成了发送端与至少两个接收端 之间的多方通话, 解决了发送端要分别向接收端发送相同的通信数 据的问题, 保证在空口只有一份数据被传送, 节省了空口资源, 降 低了网络时延。 实施例二
本发明实施例所描述的网络侧设备可以是无线局域网 W I F I 路 由器, 也可以是第三代移动通信技术 3G的网络设备、 网关、 移动管 理实体等网络设备; 本发明实施例所描述的发送端与接收端可以是 用户终端, 也可以是其他可以用于信息传输的终端, 本发明实施例 不做限制。 本发明实施例提供一种多方通话方法, 应用于发送端与至少两 个接收端之间进行多方通话的过程中, 如图 2所示, 该方法包括:
S20K 网络侧设备接收发送端发送的待传输给至少两个接收端 的通信数据以及至少两个接收端的标识。
本发明实施例提供的多方通话方法, 在参与多方通话的发送端 与至少两个接收端之间引入了网络侧设备, 网络侧设备与发送端之 间建立无线连接。
可选的, 网络侧设备与发送端的无线连接可以使用第三代移动 通信技术( 3G, 3rd-generation )连接,也可以使用无线局域网( WIFI , Wireless Fidelity ) 连接, 本发明实施例并不做限定。
需要说明的是, 本发明实施例描述的多方通话方法, 可以是多 方语音通话方法, 也可以是多方视频通话方法, 本发明并不做限定。
具体的, 发送端与至少两个接收端之间进行多方通话时, 网络 侧设备首先接收发送端发送的待传输给至少两个接收端的通信数据 以及至少两个接收端的标识, 以根据至少两个接收端的标识分别转 发通信数据。
其中, 网络侧设备接收到发送端发送的通信数据只有一份, 接 收端的标识用于指示接收端所在的具体位置, 每个接收端有唯一的 标识, 接收端的标识例如可以包括接收端的 I P地址和端口号, 网络 侧设备接收到来自发送端的至少两个接收端的标识后, 从该标识获 取接收端的具体信息。
进一步地, 网络侧设备接收发送端发送的待传输给至少两个接 收端的通信数据以及至少两个接收端的标识之前, 网络侧设备需确 定自身支持多方通话请求。 若网络侧设备支持多方通话请求, 则本 发明实施例描述的各个步骤得以实现。
示例性的, 若网络侧设备为 WIFI 路由器, 手机用户 A、 B、 C 之间进行多方语音通话, 且用户 A 已与 WIFI路由器建立无线连接。 当用户 A 向用户 B、 C发送语音数据时, WIFI 路由器首先获取到用 户 A发送的待发送的语音数据、 用户 B的手机的标识和用户 C 的手 机的标识。
S 2 02、 网络侧设备根据至少两个接收端的标识, 将通信数据分 别转发至至少两个接收端。
网络侧设备在接收到发送端发送的待传输给至少两个接收端的 通信数据以及至少两个接收端的标识后, 将待传输数据转发至接收 端。
具体的, 网络侧设备根据至少两个接收端的标识, 将通信数据 分别转发至至少两个接收端, 完成发送端与至少两个接收端之间的 多方通话的数据传输。
其中, 接收端的标识可以为接收端的 I P地址和端口号, 也可以 为其他特殊标识 , 该特殊标识为网络侧设备可以识别的。
本发明实施例提供一种多方通话方法, 网络侧设备接收发送端 发送的待传输给至少两个接收端的通信数据以及至少两个接收端的 标识, 然后, 网络侧设备根据至少两个接收端的标识, 将通信数据 分别转发至至少两个接收端。 通过该方案, 由于发送端向网络侧设 备发送通信数据以及至少两个接收端的标识, 使得网络侧设备将通 信数据分别转发至至少两个接收端的标识对应的接收端, 完成了发 送端与至少两个接收端之间的多方通话, 解决了发送端要分别向接 收端发送相同的通信数据的问题, 保证在空口只有一份数据被传送, 节省了空口资源, 降低了网络时延。 实施例三
本发明实施例所描述的网络侧设备可以是无线局域网 W I F I 路 由器, 也可以是第三代移动通信技术 3G的网络设备、 网关、 移动管 理实体等网络设备; 本发明实施例所描述的发送端与接收端可以是 用户终端, 也可以是其他可以用于信息传输的终端, 本发明实施例 不做限制。
本发明实施例提供一种多方通话方法, 应用于发送端与至少两 个接收端之间进行多方通话的过程中, 如图 3所示, 该方法包括: S 301、 发送端向网络侧设备发送多方通话请求。
本发明实施例提供的多方通话方法, 在参与多方通话的发送端 与至少两个接收端之间引入了网络侧设备, 网络侧设备与发送端之 间建立无线连接。
具体的, 发送端与至少两个接收端之间进行多方通话时, 发送 端需要先给网络侧设备发送多方通话请求, 以检测网络侧设备是否 支持多方通话请求, 在发送端确定网络侧设备支持多方通话请求后, 继续后续步骤。
其中, 发送端向网络侧设备发送多方通话请求的过程包括发送 端与网络侧设备之间的检测过程和协商过程。 检测过程, 用于网络 侧设备根据发送端向网络侧设备发送的报文信息, 检测自身是否支 持多方通话。 协商过程, 用于网络侧设备根据发送端发送的报文信 息, 获取发起多方通话的发送端的标识, 与参与多方通话的至少两 个接收端的标识。
需要说明的是, 在检测过程和协商过程中, 发送端给网络侧设 备发送的报文可以是包含有检测过程和协商过程需要的信息的一个 报文, 也可以是分别包含有检测过程需要的信息和协商过程需要的 信息的两个不同报文。
具体的, 由于在检测过程和协商过程中, 发送端给网络侧设备 发送的报文可以是一个报文, 也可以是两个不同的报文, 因此, 本 发明实施例可以通过以下实例分别对在检测过程和协商过程中, 发 送端给网络侧设备发送报文的情况进行描述:
( 1 )发送端向网络侧设备发送一份报文, 进行发送端与网络侧 设备之间的检测过程和协商过程。
其中,报文携带有多方通话业务标识和至少两个接收端的标识, 网络侧设备根据该多方通话业务标识可以确定发送端发起了多方通 话。
可选的, 发送端发起多方通话后, 发送端与网络侧设备之间完 成检测过程和协商过程可以使用 3G协议的服务质量( Q o s , Qua l i t y of Service ) 机制完成查询检测, 也可以使用 WIFI协议的 Qos机制 完成检测 , 以提高检测效率。
示例性的, 若发送端与网络侧设备之间使用 3G连接, 则发送端 与网络侧设备之间完成检测过程和协商过程使用的 3G协议的 Qos机 制, 报文具体格式如表 1所示:
表 1
Quality of service IEI Octet 1
原 3GPP定义的一些 Qos参数 Octet 2-18 是否支持该特性, 源端口号, Octel 19
目标 IP地址和端口号个数
IP Address Octel 20-25
Port Octel 26-27 其中, Octet 1、 Octet 2-18为 Qos机制中的参数, Octel 19 中 的位表示网络侧设备是否支持该特性、 源端口号、 目标 IP地址和目 标端口个数, Octel 20-25表示其中一个目标 IP地址, Octel 26-27 表示其中一个目标端口号, 其他标识剩余的目标 I P地址和目标端口 号, 目标 IP 地址和目标端口号是本发明实施例中描述的接收端的 I P地址和接收端的端口号。
相对应的, 发送端向网络侧设备发送多方通话请求后, 网络侧 设备接收到该多方通话请求。 网络侧设备根据多方通话请求 4艮文中 的 Octel 19、 Octel 20-25 以及其他表示接收端 IP地址和端口号的 位可以获知发送端发起了多方通话, 并得知发送端与至少两个接收 端的 I P地址、 端口号。
( 2 )发送端向网络侧设备发送两份不同的报文, 分别进行发送 端与网络侧设备之间的检测过程和协商过程。
具体的, 发送端与网络侧设备之间先完成检测过程, 发送端向 网络侧设备发送检测过程的请求报文, 该报文携带有多方通话业务 标识, 用于网络侧设备根据该多方通话业务标识确定发送端发起了 多方通话。 示例性的, 发送端向网络侧设备发送的检测过程的请求报文格 式如表 2所示:
表 2 消息类型 请求 保
其中, 消息类型、 请求和保留都保存有相应的字段。 网络侧设 备接收到该报文后, 根据报文携带并保存的字段, 获知发送端发起 了多方通话。
如果网络侧设备支持多方通话, 则发送端与网络侧设备之间完 成协商过程, 发送端向网络侧设备发送协商过程的请求报文, 该报 文携带有发送端的 I P地址、 端口号和至少两个接收端的 I P地址、 端口号, 用于使网络侧设备获知发送端与至少两个接收端的标识。
示例性的, 发送端向网络侧设备发送的协商过程 3 的请求报文 格式如表 3所示:
表 3
Figure imgf000014_0001
其中, 消息类型、 请求、 地址类型、 操作、 地址用途和地址信 息都保存有相应的字段。 网络侧设备接收到该报文后, 根据报文携 带并保存的字段, 获知发送端和至少两个接收端的地址信息 /唯一标 识, 标识至少包括 I P地址和端口号。
需要说明的是, 发送端与至少两个接收端的标识可以釆用其他 特殊标识, 该特殊标志为网络侧设备可以识别的, 例如, 请求 4艮文 的才艮头为特殊^艮头, 该特殊包头为网络侧设备可以识别的。
示例性的, 本发明实施例中的发送端可以为与网络侧设备建立 无线连接的电子设备, 如个人电脑、 i p a d以及智能手机等电子设备, 网络侧设备可以是无线局域网 W I F I 路由器或第三代移动通信技术 3 G的网络侧设备, 本发明实施例不做限定。
S 3 02、 若网络侧设备支持多方通话, 网络侧设备则向发送端发 送对应于多方通话请求的第一响应消息。
网络侧设备接收到发送端发送的多方通话请求后, 根据该多方 通话请求的报文携带的信息做出相应处理, 然后向发送端发送响应 信息。
由于发送端向网络侧设备发送多方通话请求的过程包括发送端 与网络侧设备之间的检测过程和协商过程, 因此, 网络侧设备在接 收到发送端发送的多方通话请求后, 根据多方通话请求的报文携带 的信息分别完成检测过程和协商过程。
需要说明的是, 网络侧设备在完成检测过程和协商过程中, 无 论发送端给网络侧设备发送的报文是一个报文, 还是两个不同的报 文, 网络侧设备均需对发送端发送第一响应消息, 其中, 第一响应 消息包括反馈消息和确认消息, 反馈消息用于指示发送端该网络侧 设备支持多方通话, 确认消息用于指示发送端网络侧设备已获得发 送端的唯一标识与至少两个接收端的标识。
具体的, 在网络侧设备与发送端完成检测过程时, 网络侧设备 检测自身是否支持多方通话, 并在确定支持多方通话以后, 网络侧 设备根据发送端发送给自身的多方通话请求, 向发送端发送反馈消 息, 其中, 反馈消息用来指示发送端该网络侧设备支持多方通话, 以使得发送端进一步向该网络侧设备发送数据或者请求。
示例性的, 网络侧设备向发送端发送的反馈消息的报文格式如 表 4所示:
表 4
消息类型 响应 查询结果
其中, 消息类型、 响应和查询结果都保存有相应的字段, 在反 馈消息中, 该报文的查询结果字段为支持多方通话。
若网络侧设备不支持多方通话, 则网络侧设备向发送端发送包 含有不支持多方通话的反馈消息, 用于指示发送端该网络侧设备不 支持多方通话, 使得发送端不再向该网络侧设备发送多方通话请求。
相对应的, 如果网络侧设备支持多方通话请求, 发送端则能接 收到来自 网络侧设备向发送端发送的对应于多方通话请求的反馈消 息, 其中, 反馈消息用于指示发送端网络侧设备支持多方通话, 这 样, 发送端便可进一步向该网络侧设备发送数据或其他请求。
进一步地, 在网络侧设备与发送端完成协商过程中, 网络侧设 备获取到发起多方通话的发送端的唯一标识与至少两个接收端的标 识后, 向发送端发送确认消息, 其中, 确认消息用于指示发送端该 网络侧设备已获得发送端的唯一标识与至少两个接收端的标识。
示例性的, 网络侧设备向发送端发送的确认消息的报文格式如 表 5所示:
表 5
Figure imgf000016_0001
其中, 消息类型、 响应、 地址类型、 地址用途和处理结果都保 存有相应的字段。 网络侧设备向发送端发送该报文, 报文中携带有 网络侧已获知发送端和至少两个接收端的标识的信息。
相对应的, 如果网络侧设备已经获得发送端和至少两个接收端 的标识, 发送端则能接收到来自 网络侧设备向发送端发送的对应于 多方通话请求的确认消息, 其中, 确认消息用于指示发送端该网络 侧设备已获得发送端的唯一标识与至少两个接收端的标识。
S 303、 发送端向网络侧设备发送包括至少两个接收端的标识的 链路建立请求。
具体的, 当发送端接收到网络侧设备发送的对应于多方通话请 求的第一响应消息后, 发送端得知该网络侧设备支持多方通话, 且 该网络侧设备已获得发送端的唯一标识与至少两个接收端的标识, 然后, 发送端向该网络侧设备发送包括至少两个接收端的标识的链 路建立请求, 以使得网络侧设备根据该链路建立请求对该网络侧设 备与至少两个接收端之间的链路进行连接。
示例性的, 发送端向网络侧设备发送的链路建立请求的报文格 式如表 6所示: 表 6
Figure imgf000017_0001
其中, 消息类型、 请求、 操作类型和唯一标识都保存有相应的 字段。 发送端向网络侧发送的链路建立请求的报文中, 携带有与至 少两个接收端建立连接的字段。
相对应的, 网络侧设备接收到该链路建立请求的报文后, 根据 报文携带的信息, 进行链路连接。
进一步地, 当多方通话结束时, 发送端向网络侧设备发送包括 至少两个接收端的标识的链路断开请求, 网络侧设备接收到该链路 断开请求后, 根据该链路断开请求将网络侧设备与至少两个接收端 之间的链路断开。
其中, 发送端向网络侧设备发送的链路断开请求的报文格式如 表 6 所示, 需要说明的是, 链路断开请求的报文与链路建立请求的 报文中字段类型一致, 具体字段内容不同。
S 304、 网络侧设备根据链路建立请求与至少两个接收端建立链 路连接。
网络侧设备在接收到发送端发送的链路建立请求后, 根据该链 路建立请求的报文携带的信息, 与至少两个接收端建立链路连接, 以使发送端能够顺利发送数据至至少两个接收端。
S 305、 网络侧设备向发送端发送对应于链路建立请求的第二响 应消息。
网络侧设备接收到发送端发送的链路建立请求, 并根据链路建 立请求建立与至少两个接收端之间的链路后, 向发送端发送第二响 应消息。
具体的, 网络侧设备接收到发送端发送的链路建立请求, 根据 至少两个接收端的标识, 与至少两个接收端之间建立链路连接之后 , 向发送端发送对应于链路建立请求的第二响应消息, 以使得若该网 络侧设备接收到来自发送端的需传输至至少两个接收端的通信数 据, 网络侧设备根据至少两个接收端的标识, 向至少两个接收端分 别转发数据。
其中, 接收端的标识至少包括 I P地址和端口号。
示例性的, 网络侧设备向发送端发送的第二响应消息的报文格 式如表 7所示:
表 7
Figure imgf000018_0001
其中, 消息类型、 响应、 操作类型和是否成功都保存有相应的 字段。 网络侧设备将至少两个接收端与网络侧设备之间的链路连接 结果存储于是否成功的字段中, 发送端接收到该报文后, 根据报文 中是否成功字段保存的信息获知网络侧设备是否成功将至少两个接 收端与网络侧设备之间的链路进行连接。
具体的, 若发送端向网络侧设备发送链路断开请求, 网络侧设 备则根据至少两个接收端的标识, 将网络侧设备与至少两个接收端 之间的链路断开连接。
进一步地, 网络侧设备将网络侧设备与至少两个接收端之间的 链路断开连接后, 也向发送端发送包含有断开连接的第二响应消息 , 该包含有断开连接的第二响应消息用于指示发送端该网络侧设备已 断开与至少两个接收端之间的链路连接, 其报文格式如表 7 所示。 网络侧设备将至少两个接收端与网络侧设备之间的链路断开的结果 存储于是否成功的字段中, 发送端接收到该报文后, 根据报文中是 否成功字段保存的信息获知网络侧设备是否成功将至少两个接收端 与网络侧设备之间的链路断开连接。
S 306、 发送端向网络侧设备发送链路连通性检测请求。
发送端在接收到网络侧设备发送的包含有成功将至少两个接收 端与网络侧设备之间的链路连接的第二响应消息后, 得知该网络侧 设备与至少两个接收端之间已经建立连接, 需要进一步验证从发送 端到至少两个接收端之间的链路是否连通。
由于发送端与网络侧设备之间的链路已经连通, 因此只需验证 网络侧设备与至少两个接收端之间的链路的连通性。 具体的, 发送端向网络侧设备发送链路连通性检测请求, 以使 得网络侧设备根据该请求对网络侧设备与至少连个接收端之间的链 路进行连通性检测。
需要说明的是, 当存在网络地址转换 ( NAT, Network Address Translation ) 穿越的场景时, 发送端向网络侧设备发送链路连通性 检测请求是必要的。
网络地址转换 NAT, 是一种将私有(保留)地址转化为合法 IP地 址的转换技术,它被广泛应用于各种类型 Internet 接入方式和各种 类型的网络中。 NAT不仅完美地解决了 1P地址不足的问题, 而且还 能够有效地避免来自 网络外部的攻击, 隐藏并保护网络内部的计算 机。
相对应的, 网络侧设备能够接收到来自发送端的链路连通性检 测请求。
S 307、 网络侧设备检测网络侧设备与至少两个接收端之间的链 路是否已经连通。
网络侧设备接收到发送端发送的链路连通性检测请求后, 根据 至少两个接收端的 IP地址和端口号, 检测网络侧设备与至少两个接 收端之间的链路是否已经连通。
需要说明的是, 在 NAT穿越的场景中, 网络侧设备接收到链路 连通性请求后, 检测网络侧设备与至少两个存在私有地址的接收端 之间的链路是否已经连通。
S 308、 若网络侧设备与至少两个接收端之间的链路已经连通, 消息。
其中, 第三响应消息用于指示发送端网络侧设备与至少两个接 收端之间的链路已经连通。
网络侧设备在接收到发送端发送的链路连通性检测请求后, 网 络侧设备根据该请求进行检测, 在检测完网络侧设备与至少两个接 收端之间的链路的连通性后, 要向发送端发送相应的响应信息。 具体的, 如果网络侧设备检测到 自身与至少两个接收端之间的 链路已经连通, 则向发送端发送对应于链路连通性检测请求的第三 响应消息, 该第三响应消息用于指示发送端网络侧设备与至少两个 接收端之间的链路已经连通, 这样, 发送端发送的数据可以通过网 络侧设备准确的发送至至少两个接收端。
示例性的, 网络侧设备向发送端发送的第三响应消息的报文格 式如表 8所示:
表 8
Figure imgf000020_0001
其中, 消息类型、 响应、 操作类型和连通检测结果信息都保存 有相应的字段。 网络侧设备将至少两个接收端与网络侧设备之间的 链路连通检测结果存储于连通检测结果信息字段中。
相对应的, 若网络侧设备与至少两个接收端之间的链路已经连 通, 则发送端接收来自 网络侧设备发送的对应于链路连通性检测请 求的第三响应消息。 发送端接收到第三响应消息的报文后, 根据报 文中连通检测结果信息字段保存的信息获知网络侧设备检测的至少 两个接收端与网络侧设备之间的链路是否连通。
同理的, 若网络侧设备检测到网络侧设备与至少两个接收端之 间的链路未连通, 网络侧设备则向发送端发送对应于链路连通性检 测请求的第四响应消息。
其中, 第四响应消息用于指示发送端网络侧设备与至少两个接 收端之间的链路未连通。 因此, 发送端发送的数据就不可以通过网 络侧设备准确的发送至接收端。
对应的, 若网络侧设备与至少两个接收端之间的链路未连通, 则发送端接收来自 网络侧设备发送的对应于链路连通性检测请求的 第四响应消息, 并通过该第四响应消息获知无法通过该网络侧设备 准确无误的发送数据至至少两个接收端。
S 309、 发送端获取待传输给所述至少两个接收端的通信数据以 及所述至少两个接收端的标识。 具体的, 发送端与至少两个接收端之间进行多方通话, 且发送 端与至少两个接收端之间的链路已经连通时, 发送端首先获取待传 输至至少两个接收端的通信数据以及至少两个接收端的标识, 以将 待传输数据传输至至少两个接收端。
其中,发送端只获取一份待传输至至少两个接收端的通信数据, 接收端的标识用于指示接收端所在的具体位置, 每个接收端有唯一 的标识, 接收端的标识至少包括接收端的 I P地址和端口号。
例如, 手机用户 A、 B、 C之间进行多方语音通话, 当用户 A向 用户 B、 C发送语音数据时, 用户 A的手机需首先获取待发送的语音 数据、 用户 B的手机的标识和用户 C的手机的标识。
S 3 1 0、 发送端向网络侧设备发送通信数据以及至少两个接收端 的标识。
具体的, 发送端只需釆集一份通信数据发送至网络侧设备, 并 将至少两个接收端的标识发送至网络侧设备, 然后网络侧设备根据 接收端的标识将该通信数据分别转发至至少两个接收端。
S 3 1 K 网络侧设备将通信数据分别转发至至少两个接收端的标 识对应的接收端。
本发明实施例提供一种多方通话方法, 网络侧设备接收发送端 发送的待传输给至少两个接收端的通信数据以及至少两个接收端的 标识, 然后, 网络侧设备将通信数据分别转发至至少两个接收端的 标识对应的接收端。 通过该方案, 由于发送端向网络侧设备发送通 信数据以及至少两个接收端的标识, 使得网络侧设备将通信数据分 别转发至至少两个接收端的标识对应的接收端, 完成了发送端与至 少两个接收端之间的多方通话, 解决了发送端要分别向接收端发送 相同的通信数据的问题, 保证在空口只有一份数据被传送, 节省了 空口资源, 降低了网络时延。 实施例四
本发明实施例所描述的发送端可以是用户终端, 也可以是其他 可以用于信息传输的终端, 本发明不做限制。 本发明实施例以发送 端是用户设备为例, 来进行本发明具体实施例的描述。 本发明实施 例提供的用户设备用于实现上述各实施例所提供的方法。
本发明实施例提供一种用户设备 1 , 如图 4所示, 包括: 获取单元 1 0 , 用于获取待传输给所述至少两个接收端的通信数 据以及所述至少两个接收端的标识;
第一发送单元 1 1 , 用于向网络侧设备发送所述获取单元 1 0 获 取的所述通信数据以及所述至少两个接收端的标识, 以使得所述网 络侧设备将所述通信数据分别转发至所述至少两个接收端的标识对 应的接收端。
进一步地, 所述第一发送单元 1 1 , 还用于在向所述网络侧设备 发送所述通信数据以及所述至少两个接收端的标识之前, 向所述网 络侧设备发送多方通话请求, 以及用于向所述网络侧设备发送包括 所述至少两个接收端的标识的链路建立请求, 以使所述网络侧设备 与所述至少两个接收端建立链路连接;
如图 5所示, 所述用户设备 1还包括第一接收单元 1 2 ;
所述第一接收单元 1 2 , 用于若所述网络侧设备支持多方通话, 则接收来自所述网络侧设备发送的对应于所述多方通话请求的第一 响应消息, 所述第一响应消息用于指示所述用户设备 1 所述网络侧 设备支持多方通话和所述网络侧设备已获取所述用户设备与所述至 少两个接收端的标识。
进一步地,所述接收端的标识至少包括所述接收端的 I P地址和 端口号。
本发明实施例提供了一种用户设备, 主要包括获取单元和第一 发送单元。 获取单元获取待传输给至少两个接收端的通信数据以及 至少两个接收端的标识, 然后, 第一发送单元向网络侧设备发送通 信数据以及至少两个接收端的标识, 以使得网络侧设备将通信数据 分别转发至至少两个接收端的标识对应的接收端。 通过该方案, 由 于用户设备向网络侧设备发送通信数据以及至少两个接收端的标 识, 使得网络侧设备将通信数据分别转发至至少两个接收端的标识 对应的接收端, 完成了用户设备与至少两个接收端之间的多方通话, 解决了用户设备要分别向接收端发送相同的通信数据的问题, 保证 在空口只有一份数据被传送, 节省了空口资源, 降低了网络时延。 实施例五
本发明实施例提供一种网络侧设备 2, 本发明实施例提供的网 络侧设备 2 用于实现上述各实施例所提供的方法。 如图 6 所示, 包 括:
第二接收单元 20, 用于接收发送端发送的待传输给至少两个接 收端的通信数据以及所述至少两个接收端的标识;
第二发送单元 21, 用于根据所述第二接收单元 20接收的所述 至少两个接收端的标识, 将所述通信数据分别转发至所述至少两个 接收端。
进一步地, 所述第二接收单元 20, 还用于在接收所述发送端发 送的待传输给至少两个接收端的通信数据以及所述至少两个接收端 的标识之前, 接收来自所述发送端发送的多方通话请求, 以及用于 接收来自所述发送端发送的包括所述至少两个接收端的标识的链路 建立请求;
所述第二发送单元 21, 还用于若所述网络侧设备支持多方通 话, 则向所述发送端发送对应于所述多方通话请求的第一响应消息, 所述第一响应消息用于指示所述发送端所述网络侧设备支持多方通 话;
如图 7所示, 所述网络侧设备 2还包括处理单元 22;
所述处理单元 22, 用于根据所述第二接收单元 20接收的所述 链路建立请求与所述至少两个接收端建立链路连接。
进一步地,所述接收端的标识至少包括所述接收端的 IP地址和 端口号。
进一步地,所述网络侧设备可以是无线局域网 WIFI路由器或第 三代移动通信技术 3G的网络侧设备。
本发明实施例提供了一种网络侧设备, 主要包括第二接收单元 和第二发送单元。 第二接收单元接收发送端发送的待传输给至少两 个接收端的通信数据以及至少两个接收端的标识, 然后, 第二发送 单元将通信数据分别转发至至少两个接收端的标识对应的接收端。 通过该方案, 由于发送端向网络侧设备发送通信数据以及至少两个 接收端的标识, 使得网络侧设备将通信数据分别转发至至少两个接 收端的标识对应的接收端, 完成了发送端与至少两个接收端之间的 多方通话, 解决了发送端要分别向接收端发送相同的通信数据的问 题, 保证在空口只有一份数据被传送, 节省了空口资源, 降低了网 络时延。 实施例六
本发明实施例所描述的发送端可以是用户终端, 也可以是其他 可以用于信息传输的终端, 本发明不做限制。 本发明实施例以发送 端是用户设备为例, 来进行本发明具体实施例的描述。
本发明实施例提供一种用户设备 3 , 本发明实施例提供的用户 设备用于实现上述各实施例所提供的方法。 如图 8所示, 包括: 第一接收器 30 , 用于从外部接收数据;
第一发送器 31 , 用于向外部发送数据;
第一处理器 32 , 用于获取待传输给所述至少两个接收端的通信 数据以及所述至少两个接收端的标识;
还用于通过第一发送器 3 1 向网络侧设备发送所述第一接收器 30获取的所述通信数据以及所述至少两个接收端的标识, 以使得所 述网络侧设备将所述通信数据分别转发至所述至少两个接收端的标 识对应的接收端。
进一步地, 所述第一处理器 32 , 还用于在向所述网络侧设备发 送所述通信数据以及所述至少两个接收端的标识之前, 通过第一发 送器 31 向所述网络侧设备发送多方通话请求, 以及用于向所述网络 侧设备发送包括所述至少两个接收端的标识的链路建立请求, 以使 所述网络侧设备与所述至少两个接收端建立链路连接;
所述第一处理器 32 , 还用于若所述网络侧设备支持多方通话, 则通过第一接收器 3 0 接收来自所述网络侧设备发送的对应于所述 多方通话请求的第一响应消息, 所述第一响应消息用于指示所述用 户设备 3 所述网络侧设备支持多方通话和所述网络侧设备已获取所 述用户设备与所述至少两个接收端的标识。
进一步地,所述接收端的标识至少包括所述接收端的 I P地址和 端口号。
本发明实施例提供了一种用户设备, 主要包括第一接收器、 第 一发送器和第一处理器。 第一处理器获取待传输给至少两个接收端 的通信数据以及至少两个接收端的标识, 然后, 通过第一发送器向 网络侧设备发送通信数据以及至少两个接收端的标识, 以使得网络 侧设备将通信数据分别转发至至少两个接收端的标识对应的接收 端。 通过该方案, 由于用户设备向网络侧设备发送通信数据以及至 少两个接收端的标识, 使得网络侧设备将通信数据分别转发至至少 两个接收端的标识对应的接收端, 完成了用户设备与至少两个接收 端之间的多方通话, 解决了用户设备要分别向接收端发送相同的通 信数据的问题, 保证在空口只有一份数据被传送, 节省了空口资源, 降低了网络时延。 实施例七
本发明实施例提供一种网络侧设备 4 , 本发明实施例提供的网 络侧设备用于实现上述各实施例所提供的方法。 如图 9所示, 包括: 第二接收器 4 0 , 用于从外部接收数据;
第二发送器 4 1 , 用于向外部发送数据;
第二处理器 42 , 用于通过第二接收器 4 0接收发送端发送的待 传输给所述至少两个接收端的通信数据以及所述至少两个接收端的 标识; 还用于根据所述第二接收器 4 0接收的所述至少两个接收端的 标识, 通过第二发送器 4 1将所述通信数据分别转发至所述至少两个 接收端。
进一步地, 第二处理器 42 , 还用于在接收所述发送端发送的待 传输给至少两个接收端的通信数据以及所述至少两个接收端的标识 之前, 通过第二接收器 4 0 接收来自所述发送端发送的多方通话请 求, 以及接收来自所述发送端发送的包括所述至少两个接收端的标 识的链路建立请求;
第二处理器 42 , 还用于若所述网络侧设备支持多方通话, 则通 过第二发送器 4 1 向所述发送端发送对应于所述多方通话请求的第 一响应消息, 所述第一响应消息用于指示所述发送端所述网络侧设 备支持多方通话;
进一步地,
所述第二处理器 42 , 还用于根据接收的所述链路建立请求与所 述至少两个接收端建立链路连接。
进一步地,所述接收端的标识至少包括所述接收端的 I P地址和 端口号。
进一步地,所述网络侧设备可以是无线局域网 W I F I路由器或第 三代移动通信技术 3G的网络侧设备。
本发明实施例提供了一种网络侧设备, 主要包括第二接收器、 第二发送器和第二处理器。 第二处理器通过第二接收器获取待传输 给至少两个接收端的通信数据以及至少两个接收端的标识, 然后, 第二处理器通过第二发送器将通信数据分别转发至至少两个接收端 的标识对应的接收端。 通过该方案, 由于发送端向网络侧设备发送 通信数据以及至少两个接收端的标识, 使得网络侧设备将通信数据 分别转发至至少两个接收端的标识对应的接收端, 完成了发送端与 至少两个接收端之间的多方通话, 解决了发送端要分别向接收端发 送相同的通信数据的问题, 保证在空口只有一份数据被传送, 节省 了空口资源, 降低了网络时延。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁, 仅以上述各功能模块的划分进行举例说明, 实际应用中, 可以根据 需要而将上述功能分配由不同的功能模块完成, 即将装置的内部结 构划分成不同的功能模块, 以完成以上描述的全部或者部分功能。 上述描述的系统, 装置和单元的具体工作过程, 可以参考前述方法 实施例中的对应过程, 在此不再赘述。
本领域普通技术人员可以理解: 实现上述方法实施例的全部或 部分步骤可以通过程序指令相关的硬件来完成, 前述的程序可以存 储于一计算机可读取存储介质中, 该程序在执行时, 执行包括上述 方法实施例的步骤; 而前述的存储介质包括: R0M、 RAM , 磁碟或者 光盘等各种可以存储程序代码的介质。 以上所述, 仅为本发明的具 体实施方式, 但本发明的保护范围并不局限于此, 任何熟悉本技术 领域的技术人员在本发明揭露的技术范围内, 可轻易想到变化或替 换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保护范围 应以所述权利要求的保护范围为准。

Claims

权 利 要 求 书
1、 一种多方通话方法, 应用于发送端与至少两个接收端之间进 行多方通话的过程中, 其特征在于, 所述方法包括:
发送端获取待传输给所述至少两个接收端的通信数据以及所述 至少两个接收端的标识;
所述发送端向网络侧设备发送所述通信数据以及所述至少两个 接收端的标识, 以使得所述网络侧设备将所述通信数据分别转发至所 述至少两个接收端的标识对应的接收端。
2、 根据权利要求 1 所述的多方通话方法, 其特征在于, 在所述 发送端向网络侧设备发送所述通信数据以及所述至少两个接收端的 标识之前, 所述方法还包括:
所述发送端向所述网络侧设备发送多方通话请求;
若所述网络侧设备支持多方通话,所述发送端则接收来自所述网 络侧设备发送的对应于所述多方通话请求的第一响应消息, 所述第一 响应消息用于指示所述发送端所述网络侧设备支持多方通话和所述 网络侧设备已获取发送端与至少两个接收端的标识;
所述发送端向所述网络侧设备发送包括所述至少两个接收端的 标识的链路建立请求, 以使所述网络侧设备与所述至少两个接收端建 立链路连接。
3、 根据权利要求 1 或 2所述的多方通话方法, 其特征在于, 所 述接收端的标识至少包括所述接收端的 I P地址和端口号。
4、 一种多方通话方法, 应用于发送端与至少两个接收端之间进 行多方通话的过程中, 其特征在于, 所述方法包括:
网络侧设备接收所述发送端发送的待传输给至少两个接收端的 通信数据以及所述至少两个接收端的标识;
所述网络侧设备根据所述至少两个接收端的标识,将所述通信数 据分别转发至所述至少两个接收端。
5、 根据权利要求 4 所述的多方通话方法, 其特征在于, 在所述 网络侧设备接收发送端发送的待传输给至少两个接收端的通信数据 以及所述至少两个接收端的标识之前, 所述方法还包括:
所述网络侧设备接收来自所述发送端发送的多方通话请求; 若所述网络侧设备支持多方通话,所述网络侧设备则向所述发送 端发送对应于所述多方通话请求的第一响应消息, 所述第一响应消息 用于指示所述发送端所述网络侧设备支持多方通话和所述网络侧设 备已获取发送端与至少两个接收端的标识;
所述网络侧设备接收来自所述发送端发送的包括所述至少两个 接收端的标识的链路建立请求;
所述网络侧设备根据所述链路建立请求与所述至少两个接收端 建立链路连接。
6、 根据权利要求 4或 5所述的多方通话方法, 其特征在于, 所述接收端的标识至少包括所述接收端的 I P地址和端口号。
7、 一种用户设备, 用于与至少两个接收端之间进行多方通话, 其特征在于, 包括:
获取单元,用于获取待传输给所述至少两个接收端的通信数据以 及所述至少两个接收端的标识;
第一发送单元,用于向网络侧设备发送所述获取单元获取的所述 通信数据以及所述至少两个接收端的标识, 以使得所述网络侧设备将 所述通信数据分别转发至所述至少两个接收端的标识对应的接收端。
8、 根据权利要求 7所述的用户设备, 其特征在于,
所述第一发送单元,还用于在向所述网络侧设备发送所述通信数 据以及所述至少两个接收端的标识之前, 向所述网络侧设备发送多方 通话请求, 以及用于向所述网络侧设备发送包括所述至少两个接收端 的标识的链路建立请求, 以使所述网络侧设备与所述至少两个接收端 建立链路连接;
所述用户设备还包括第一接收单元;
所述第一接收单元, 用于若所述网络侧设备支持多方通话, 则接 收来自所述网络侧设备发送的对应于所述多方通话请求的第一响应 消息, 所述第一响应消息用于指示所述用户设备所述网络侧设备支持 多方通话和所述网络侧设备已获取所述用户设备与所述至少两个接 收端的标识。
9、 根据权利要求 7或 8所述的用户设备, 其特征在于, 所述接 收端的标识至少包括所述接收端的 I P地址和端口号。
1 0、 一种网络侧设备, 用于发送端与至少两个接收端之间进行多 方通话, 其特征在于, 包括:
第二接收单元,用于接收所述发送端发送的待传输给所述至少两 个接收端的通信数据以及所述至少两个接收端的标识;
第二发送单元,用于根据所述第二接收单元接收的所述至少两个 接收端的标识, 将所述通信数据分别转发至所述至少两个接收端。
1 1、 根据权利要求 1 0所述的网络侧设备, 其特征在于, 所述第二接收单元,还用于在接收所述发送端发送的待传输给至 少两个接收端的通信数据以及所述至少两个接收端的标识之前,接收 来自所述发送端发送的多方通话请求, 以及用于接收来自所述发送端 发送的包括所述至少两个接收端的标识的链路建立请求;
所述第二发送单元, 还用于若所述网络侧设备支持多方通话, 则 向所述发送端发送对应于所述多方通话请求的第一响应消息, 所述第 一响应消息用于指示所述发送端所述网络侧设备支持多方通话和所 述网络侧设备已获取发送端与至少两个接收端的标识;
所述网络侧设备还包括处理单元;
所述处理单元,用于根据所述第二接收单元接收到的所述链路建 立请求与所述至少两个接收端建立链路连接。
1 2、 根据权利要求 1 0或 1 1所述的网络侧设备, 其特征在于, 所述接收端的标识至少包括所述接收端的 I P地址和端口号。
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