WO2017059763A1 - 传输信号的方法和装置 - Google Patents

传输信号的方法和装置 Download PDF

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Publication number
WO2017059763A1
WO2017059763A1 PCT/CN2016/099072 CN2016099072W WO2017059763A1 WO 2017059763 A1 WO2017059763 A1 WO 2017059763A1 CN 2016099072 W CN2016099072 W CN 2016099072W WO 2017059763 A1 WO2017059763 A1 WO 2017059763A1
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WO
WIPO (PCT)
Prior art keywords
signaling
user equipment
protocol
rtp
network
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PCT/CN2016/099072
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English (en)
French (fr)
Inventor
李振兴
王锴
任桂红
左志良
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华为技术有限公司
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Publication of WO2017059763A1 publication Critical patent/WO2017059763A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres

Definitions

  • the present invention relates to the field of communications and, more particularly, to a method and apparatus for transmitting signals.
  • PSTN Public Switched Telephone Network
  • NTN Next Generation Network
  • IMS Internet Protocol multimedia subsystem
  • IP Internet Protocol
  • the core layer and the access layer are in different networks.
  • the embodiment of the invention provides a method and a device for transmitting signals, which can still implement communication between the user equipment and the program-controlled switch when the network transformation of the user equipment and the program-controlled switch is not synchronized.
  • the first aspect provides a method for transmitting a signal, where the method is used for receiving voice access of a fixed network, including: receiving, by a first device, first signaling that conforms to a first network protocol, where the first The network protocol is a protocol supported by the network where the first device is located; the first signaling is converted into a second signaling that conforms to the second network protocol, where the second network protocol is a network where the second device is located.
  • the protocol supported by the network where the user equipment is located is the real-time transport protocol RTP, and the protocol supported by the network where the program-controlled switch is located is the V5 protocol.
  • the converting the first signaling into the second signaling conforming to the second network protocol includes: receiving When the RTP off-hook message sent by the user equipment is sent, the RTP off-hook message is converted into V5. Off-hook signaling.
  • the first signaling when the user equipment is called, the first signaling is converted into a second network protocol.
  • the second signaling includes: converting the V5 ringing message into an RTP ringing message when receiving the ringing message sent by the program control switch; wherein the method further includes: receiving the sending by the user equipment When the RTP off-hook packet, the RTP off-hook packet is converted into V5 off-hook signaling.
  • the converting the first signaling into a second network protocol includes: converting the RTP supplementary service message into a V5 supplementary service message when receiving the RTP supplementary service message sent by the user equipment.
  • the converting the first signaling into a second that conforms to the second network protocol includes: converting the RTP on-hook message into a V5 on-hook message when receiving the RTP on-hook message sent by the user equipment.
  • the method is performed by a convergence device, where the aggregation device includes an E1 chip, a central processing unit CPU, and a digital signal processor DSP.
  • the aggregation device includes an E1 chip, a central processing unit CPU, and a digital signal processor DSP.
  • the CPU by using the DSP, receiving user signaling that is sent by the user equipment and conforming to the RTP protocol, and the RTP is consistent with the RTP.
  • the user signaling of the protocol is converted into V5 signaling conforming to the V5 protocol; or the CPU receives the V5 signaling conforming to the V5 protocol sent by the program control switch through the E1 chip, and converts the V5 signaling into a conformance RTP signaling of the RTP protocol.
  • the method further includes: determining a time slot and a location of the E1 chip required for voice message transmission with the PBX a time slot of the DSP; on the determined time slot of the E1 chip and the time slot of the DSP, a voice message between the user equipment and the program control switch is transmitted through the E1 and the DSP.
  • the second aspect provides a device for transmitting a signal, where the device is used for fixed voice access of a network, and includes: a receiving unit, configured to receive, by a first device, first signaling that is consistent with a first network protocol, where The first network protocol is a protocol supported by the network where the first device is located, and the first converting unit is configured to convert the first signaling received by the receiving unit into a second that conforms to the second network protocol.
  • the second network protocol is a network supported by the second device
  • the first network protocol is different from the second network protocol
  • the first sending unit is configured to send the second signaling obtained by the first converting unit to the second device
  • the first device is one of the user equipment and the program-controlled switch
  • the second device is the other one of the user equipment and the program-controlled switch
  • the network supported by the user equipment is a real-time transport protocol RTP.
  • the protocol supported by the network where the program-controlled switch is located is the V5 protocol.
  • the converting unit when the user equipment initiates a call, is specifically configured to: when receiving the RTP off-hook message sent by the user equipment, The RTP off-hook message is converted into V5 off-hook signaling.
  • the first converting unit when the user equipment is called, is specifically configured to receive the sending by the program control switch.
  • the V5 ringing message is converted into an RTP media stream ringing message, where the device further includes: when receiving the RTP off-hook message sent by the user equipment, the RTP Off-hook messages are converted to V5 off-hook signaling.
  • the first converting unit when the user equipment initiates a supplementary service, is specifically configured to receive the sending by the user equipment.
  • the RTP supplementary service message is converted into a V5 supplementary service message.
  • the first converting unit when the user equipment releases the call, is specifically configured to receive the RTP sent by the user equipment. When the message is hung, the RTP on-hook message is converted into a V5 on-hook message.
  • the device is a convergence device, where the first conversion unit is an E1 chip, a central processing unit CPU, and the convergence device
  • the digital signal processor is implemented by the DSP, and the first conversion unit is specifically configured to receive, by the DSP, the user signaling that is sent by the user equipment according to the RTP protocol, and convert the user signaling that conforms to the RTP protocol.
  • the CPU receives the V5 signaling conforming to the V5 protocol sent by the program control switch through the E1 chip, and converts the V5 signaling into an RTP signaling conforming to the RTP protocol.
  • the apparatus further includes: a determining unit, configured to determine the E1 chip required for voice message transmission with the program control switch a time slot and a time slot of the DSP; a second sending unit, configured to pass the E1 and the DSP transmission station on the determined time slot of the E1 chip and the time slot of the DSP A voice message between the user equipment and the program-controlled switch.
  • the method for transmitting a signal in the embodiment of the present invention converts the signaling conforming to the V5 protocol and the signaling conforming to the Real-Time Transport Protocol (RTP) between the user equipment and the program-controlled switch, so that the user can When the network transformation between the device and the program-controlled switch is not synchronized, communication between the user equipment and the PBX can still be implemented.
  • RTP Real-Time Transport Protocol
  • FIG. 1 is a schematic flowchart of a method for transmitting signaling according to an embodiment of the present invention.
  • FIG. 2 is a reorganized network diagram of another embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a user equipment initiating a call according to still another embodiment of the present invention.
  • FIG. 4 is a schematic flow chart of a program control switch initiating a call according to still another embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a user equipment initiating a supplementary service according to still another embodiment of the present invention.
  • FIG. 6 is a schematic flowchart of a user equipment releasing a call according to still another embodiment of the present invention.
  • FIG. 7 is a schematic flowchart of a program-controlled switch releasing a call according to still another embodiment of the present invention.
  • FIG. 8 is a block diagram of an apparatus for transmitting signaling in accordance with one embodiment of the present invention.
  • FIG. 9 is a block diagram of an apparatus for transmitting signaling according to another embodiment of the present invention.
  • a user equipment may be called a terminal, a mobile station ("MS” for short), or a mobile terminal (Mobile Terminal).
  • the user equipment can communicate with one or more core networks via a Radio Access Network (RAN), for example, a user equipment. It can be a mobile phone (or "cellular" phone) or a computer with a mobile terminal.
  • RAN Radio Access Network
  • the user device can also be a portable, pocket, handheld, computer built-in or in-vehicle mobile device.
  • the user device can also be networked.
  • IP Internet Protocol
  • the user equipment can also be a fiber to the x (FTTx) device, and the user equipment can also be an optical network unit (ONU) device.
  • IP Internet Protocol
  • FTTx fiber to the x
  • ONU optical network unit
  • FIG. 1 is a schematic flow chart of a method of transmitting a signal according to an embodiment of the present invention.
  • the method of Figure 1 can be performed by a convergence device.
  • the first device is one of the user equipment and the program-controlled switch
  • the second device is the other one of the user equipment and the program-controlled switch.
  • the protocol supported by the network where the user equipment is located is the real-time transport protocol RTP, and the protocol supported by the network where the program-controlled switch is located. For the V5 agreement.
  • the method for transmitting a signal in the embodiment of the present invention converts the signaling conforming to the V5 protocol and the signaling conforming to the RTP protocol to each other between the user equipment and the program-controlled switch, so that the network transformation at both ends of the user equipment and the program-controlled switch is not synchronized. At the same time, communication between the user equipment and the program-controlled switch can still be realized.
  • the first signaling and the second signaling in the embodiment of the present invention may be signaling triggered by an RTP event, and the RTP event may be off-hook, on-hook, ringing, supplementary service, and the like.
  • converting the first signaling to the second signaling conforming to the second network protocol may include: when receiving the RTP off-hook message sent by the user equipment, The RTP off-hook message is converted into V5 off-hook signaling.
  • the V5 interface protocol cluster specifies a signal physical standard and a call control information delivery protocol that are interconnected between an access network and a local exchange network, and belongs to a Service Node Interface (SNI) protocol.
  • SNI Service Node Interface
  • the V5 protocol provides a standard interface between the access network and the local switching network.
  • converting the first signaling to the second signaling conforming to the second network protocol may include: receiving the V5 vibration sent by the program-controlled switch When the bell message is received, the V5 ringing message is converted into an RTP media stream ringing message.
  • the method for transmitting a signal further includes: converting the RTP off-hook message into V5 off-hook signaling when receiving the RTP off-hook message sent by the user equipment.
  • converting the first signaling to the second signaling conforming to the second network protocol may include: when receiving the RTP supplementary service message sent by the user equipment, Convert RTP supplementary service messages into V5 supplementary service messages.
  • converting the first signaling to the second signaling conforming to the second network protocol may include: when receiving the RTP on-hook message sent by the user equipment, the RTP is received. The on-hook message is converted to a V5 on-hook message.
  • the method for transmitting a signal may be performed by an aggregation device, where the aggregation device includes an E1 chip, a central processing unit (CPU), and a digital signal processor (DSP).
  • Translating a signaling into the second signaling conforming to the second network protocol includes: the CPU receives, by using the DSP, the user signaling that is sent by the user equipment according to the RTP protocol, and converts the user signaling conforming to the RTP protocol into the V5 protocol conforming to the V5 protocol.
  • the CPU receives the V5 signaling conforming to the V5 protocol sent by the program-controlled switch through the E1 chip, and converts the V5 signaling into the RTP signaling conforming to the RTP protocol.
  • E1 is the abbreviation of 30-channel pulse code modulation (PCM) in Europe, and the rate is 2.048 Mbit/s.
  • the time slot CH0 is used for frame synchronization
  • the time slot CH16 is used for transmitting signaling
  • the remaining 30 time slots of CH1 to CH15 and CH17 to CH31 are used for 30 voice channels.
  • the time slot of the E1 chip and the time slot of the DSP required for the voice message transmission with the program control switch may be determined.
  • the voice message between the user equipment and the program-controlled switch is transmitted through the E1 and the DSP. For example, a voice message is sent by the user equipment to the program-controlled switch through E1 and DSP, or a voice message is sent by the program-controlled switch to the user equipment through E1 and DSP.
  • the voice message can be directly transmitted through the DSP and the E1 chip, wherein the DSP can transmit the voice message conforming to the V5 protocol and the voice conforming to the RTP protocol.
  • the message is converted.
  • the convergence device when the user equipment releases the call, the convergence device can demonstrate the time slot of the E1 chip and the time slot of the DSP, so that the subsequent transmission of the media content can continue to be used. Put the time slot.
  • the signaling on the user equipment side may be converted so that the converted signaling conforms to the laundry of the PSTN network, but the existing user equipment side signaling conforms to the H.248 protocol or the session initiation protocol (Session Initiation). Protocol, SIP) protocol, the converted signaling conforms to the V5 protocol, and the conversion method is complicated and costly, and the conversion method of the present invention is easier to implement and low in cost.
  • the user equipment in the embodiment of the present invention may be any one of the following devices: an ONU device, a personal computer PC, an IP phone, an FTTx device, an analog phone, and a handheld terminal device.
  • FIG. 2 is a reorganized network diagram of another embodiment of the present invention.
  • the integrated data network reconfiguration network diagram of the fixed network voice access system includes a user equipment 201, an aggregation device 202 located at the access layer, and a program-controlled switch 203 located at the core layer.
  • the program-controlled switch 203 is located in the public switched telephone network PSTN, and the user equipment 201 is in the transport layer network interconnection protocol IP network, for example, an NGN or an IMS network.
  • the user equipment 201 and the aggregation device 202 are connected through an interface of a respective digital signal processor DSP, and the program control switch 203 and the aggregation device 202 are connected by an E1 line.
  • User equipment 201 may include a digital signal processor (such as DSP 1), a central processing unit CPU (such as CPU 1), and a switching network chip.
  • Convergence device 202 can include a digital signal processor (such as DSP 2), a central processing unit (such as CPU 2), and an E1 chip.
  • the signaling sent by the user equipment due to events such as pick-up, ringing, supplementary service, etc. can be transmitted to the CPU 1 through the switching network chip of the user equipment for processing, and then transmitted to the DSP 1 for processing, so that the processed user signaling is consistent with the implementation.
  • V5 signaling and carried on the E1 line of the PSTN network.
  • the aggregation device can transmit V5 signaling to the program-controlled switch through the E1 chip.
  • the program-controlled switch can transmit V5 signaling to the E1 chip, and the E1 chip can send V5 signaling to the CPU 2 and process the V5 signaling by the CPU 2, so that the CPU 2 can match
  • the V5 signaling of the V5 protocol is converted into user signaling conforming to the RTP protocol, and is carried on the IP network, and then transmitted to the user equipment by the DSP2, the DSP1, the CPU 1, and the user interaction network chip.
  • the CPU 1 can convert internal signaling triggered by events such as user equipment pick-up, ringing, and supplementary services into conformance.
  • the DSP 1 can convert the user signaling supported by the user equipment of the user signaling into the user signaling supported by the aggregation device.
  • the DSP 2 can convert the received user signaling into user signaling supported by the CPU 2, and the CPU 2 can convert the received user signaling into V5 signaling conforming to the V5 protocol.
  • the CPU 2 converts the V5 signaling conforming to the V5 protocol into user signaling conforming to the RTP protocol
  • the DSP 2 converts the received user signaling into user signaling supported by the DSP of the user equipment, and the user signaling that the DSP 1 will receive.
  • the CPU 1 Converted to the signaling supported by the CPU 1, the CPU 1 converts the received signaling into internal signaling and transmits it to the switch chip.
  • the signaling format can be converted between the user equipment and the program-controlled switch through the aggregation device, so that when the network between the user equipment and the program-controlled switch is different, the control signaling and voice messages between the user equipment and the program-controlled switch can still be implemented. transmission.
  • the aggregation device converts the signaling, and the format or the bearer mode of the signaling may be changed, so that the signaling before and after the conversion conforms to different network protocols.
  • the user equipment and the program-controlled switch can transmit signaling, and can also transmit media content, such as voice messages.
  • media content such as voice messages.
  • the time slot of the user switching network chip and the time slot of the DSP 1 chip, and the time slot of the E1 chip connected to the convergence device and the DSP 2 chip can be connected to the user equipment. Time slot.
  • the media content of the user equipment can be directly transmitted to the DSP1 through the switching network chip in the designated time slot, and directly transmitted to the E1 through the DSP 2, and finally transmitted to the program-controlled switch.
  • the media content of the program-controlled switch can also be transmitted to the DSP 2 through E1, then transmitted to the DSP 1, and then transmitted to the user switching network chip, and finally transmitted to the user equipment.
  • the DSP 1 in the aggregation device can convert the media content during media content transmission. For example, when the media content passes through the DSP2, the media content conforming to the RTP protocol can be converted into the media content conforming to the V5 protocol, or the media content conforming to the V5 protocol can be converted into the media content conforming to the RTP protocol.
  • FIG. 3 is a schematic flowchart of a user equipment initiating a call according to still another embodiment of the present invention.
  • the fixed network voice access system includes a calling party (such as user equipment 1), a called party (such as user equipment 2), a convergence device, and a program-controlled switch.
  • the user equipment 1 wants to initiate a call request and first goes off-hook.
  • the user equipment 1 sends an RTP off-hook message to the aggregation device.
  • the RTP off-hook packet can be a 2833 message. After the user equipment picks up the phone, the RTP off-hook packet can be encapsulated by the 2833 message. Specifically, after the user equipment 1 is off-hook, the event that the user equipment is off-hook is transmitted to the switching network module, and the switching network module converts the off-hook event into internal signaling, and transmits the internal signaling to the CPU of the user equipment (for example, the CPU). 1) The CPU 1 can distinguish that the signaling is triggered by an off-hook event and convert the internal signaling into user-identifiable user signaling and transmit it to the DSP 1.
  • the switching network module includes a switching network chip.
  • the aggregation device converts the RTP off-hook message.
  • the aggregation device When receiving the RTP off-hook packet sent by the user equipment, the aggregation device converts the RTP off-hook packet conforming to the RTP protocol into the V5 off-hook signaling conforming to the V5 protocol.
  • the aggregation device sends the V5 off-hook signaling to the program-controlled switch.
  • the V5 off-hook signaling can be sent to the program-controlled switch.
  • the aggregation device sends an off-hook response message to the user equipment 1.
  • the aggregation device may encapsulate the off-hook response message through the 2833 message and send an off-hook response message to the user equipment.
  • the program control switch sends an off-hook confirmation message to the aggregation device.
  • the program-controlled switch After receiving the V5 off-hook signaling of the V5 protocol sent by the aggregation device, the program-controlled switch can also return an off-hook confirmation message to the aggregation device.
  • the program control switch sends an allocation slot request message to the aggregation device.
  • the program-controlled switch After receiving the off-hook message sent by the aggregation device, the program-controlled switch sends an allocation slot request message to the aggregation device, requesting the aggregation device to allocate a time slot to transmit the media content on the allocated time slot.
  • the aggregation device interconnects the time slot of the E1 chip and the time slot of the DSP 2 chip.
  • the aggregation device allocates the time slot according to the allocated time slot request message, and connects the time slot of the allocated E1 chip and the time slot of the DSP 2 chip, that is, determines the time slot of the E1 chip required for voice message transmission with the program control switch. And the time slot of the DSP.
  • the aggregation device sends a message confirming the time slot to the program control switch.
  • the aggregation device After the aggregation device allocates the time slot, it can send a message confirming the time slot to the program control switch to inform the program control switch of the allocated time slot.
  • the program-controlled switch sends a dial tone to the aggregation device.
  • the program-controlled switch may send a dial tone to the convergence device on the determined time slot of the E1 chip and the time slot of the DSP to indicate that the user can dial.
  • the aggregation device converts the dial tone into a media stream dial tone.
  • the aggregation device After receiving the dial tone sent by the program-controlled switch, the aggregation device can convert the dial tone into an RTP media stream dial tone.
  • the aggregation device transmits the media stream dial tone to the user equipment 1.
  • the aggregation device may send a media stream dial tone to the user equipment 1 to prompt the user to dial.
  • the user equipment receives the dialing request.
  • the user can dial according to the media stream dial tone, so that the user equipment can receive the dialing request.
  • the user equipment sends a dual tone multiple frequency (DTMF) number to the aggregation device according to the dialing request.
  • DTMF dual tone multiple frequency
  • the user equipment can directly transmit the dialing request to the aggregation device, so that the aggregation device obtains the DTMF number.
  • the aggregation device converts the DTMF number into a Time-Division Multiplexing (TDM) signal.
  • TDM Time-Division Multiplexing
  • the aggregation device can convert the DTMF number into a TDM signal.
  • the aggregation device sends a TDM signal to the program-controlled switch.
  • the convergence device can send a TDM signal to the program control switch on the time slot of the E1 chip and the time slot of the DSP determined by the program control switch, where the TDM signal carries the number information dialed by the user equipment 1.
  • the network where the program control switch is located can obtain the number information dialed by the user equipment 1 so that the program control switch can communicate with the called user equipment 2.
  • the conversion of the RTP off-hook message to the V5 off-hook signaling in the embodiment of the present invention belongs to the conversion of the control signaling between the V5 protocol and the RTP protocol, and can be performed by the CPU in the aggregation device.
  • the dial tone and the DTMF number are media content, and the media stream can be converted by the DSP in the convergence device, so that the conversion obtains the media stream dial tone and the TDM signal respectively.
  • FIG. 3 of the present invention exemplifies only the flow of initiating a call by a user equipment.
  • the specific process of initiating a call by the program-controlled switch will be specifically described with reference to FIG. 4, that is, how the called user equipment 2 obtains communication information through the aggregation device and the program-controlled switch.
  • FIG. 4 is a schematic flow chart of a program control switch initiating a call according to still another embodiment of the present invention.
  • the program-controlled switch receives the TDM signal carrying the number dialed by the user equipment 1, the program-controlled switch establishes a connection with the user equipment 2 through the convergence device. And transmitting signaling through the aggregation device and the user equipment 2.
  • the program-controlled switch After receiving the number information dialed by the user equipment 1, the program-controlled switch indicates that the network has an incoming call.
  • the program-controlled switch sends an allocated slot request message.
  • the program-controlled switch When the program-controlled switch has an incoming call on the network, the program-controlled switch can send a time slot request message to the aggregation device.
  • the aggregation device interconnects the time slot of the allocated E1 chip and the time slot of the DSP 2 chip.
  • the time slot can be allocated, and the time slot of the allocated E1 chip and the time slot of the DSP 2 chip are networked, that is, the program switch is selected in the allocated time slot.
  • the aggregation device sends an acknowledgement time slot.
  • the aggregation device After the aggregation device allocates the time slot, it can send a message confirming the time slot to the program control switch to inform the program control switch of the allocated time slot.
  • the program-controlled switch can also send a message to the aggregation device whether the time slot is available.
  • the aggregation device After receiving the message that the time slot is available, the aggregation device confirms the available time slot and sends an available time slot to the program-controlled switch.
  • the programmable switch After the programmable switch confirms the available time slot, it can send a V5 ringing message to the aggregation device.
  • V5 ringing message is converted into an RTP ringing message.
  • the aggregation device can convert the V5 ringing message conforming to the V5 protocol into an RTP ringing message conforming to the RTP protocol.
  • the aggregation device sends the converted RTP ringing message conforming to the RTP protocol to the user equipment 2.
  • the user equipment 2 After the user equipment 2 receives the RTP ringing message, it rings.
  • the holder of the user equipment can pick up the user equipment 2 after hearing the ringing.
  • the RTP off-hook message is sent to the aggregation device.
  • the aggregation device After receiving the RTP off-hook packet, the aggregation device converts it into V5 off-hook signaling conforming to the V5 protocol.
  • the aggregation device After receiving the off-hook signaling of the V5, the aggregation device sends the V5 off-hook signaling to the PBX.
  • the conversion between the V5 ringing message and the RTP ringing message in the embodiment of the present invention, and the conversion between the RTP off-hook message and the V5 ringing signaling belong to the control signaling between the V5 protocol and the RTP protocol.
  • the conversion can be performed by the CPU in the aggregation device.
  • FIG. 5 is a schematic flowchart of a user equipment initiating a supplementary service according to still another embodiment of the present invention.
  • Supplementary services may include number display services, call forwarding services, call waiting and call holding services, multi-party calling services, call restriction services, and call forwarding services.
  • the embodiment of the present invention is exemplified by taking a two-way dialing, that is, a three-party call as an example.
  • the supplementary service message is first detected. For example, it is detected that the user equipment 1 needs to perform secondary dialing.
  • the user equipment 1 When the user equipment 1 detects that the supplementary service needs to be performed, the user equipment 1 sends an RTP supplementary service message conforming to the RTP protocol to the aggregation device.
  • the aggregation device After receiving the supplementary service message of the RTP protocol sent by the user equipment 1, the aggregation device converts the RTP supplementary service message conforming to the RTP protocol into a V5 supplementary service message conforming to the V5 protocol.
  • the aggregation device After receiving the V5 supplementary service message, the aggregation device sends a V5 supplementary service message conforming to the V5 protocol to the program-controlled switch.
  • the program-controlled switch After receiving the V5 supplementary service message, the program-controlled switch sends an acknowledgement to the aggregation device to receive the V5 supplementary service message.
  • the program-controlled switch After receiving the V5 supplementary service message, the program-controlled switch sends a secondary dial tone to the aggregation device on the time slot of the E1 chip for transmitting the voice message and the time slot of the DSP 2 chip determined by the aggregation device.
  • the aggregation device After receiving the secondary dial tone sent by the program-controlled switch, the aggregation device can convert the received secondary dial tone into a secondary dial tone of the media stream.
  • the aggregation device sends a media stream secondary dial tone to the user equipment 1.
  • the aggregation device After obtaining the secondary dial tone of the media stream, the aggregation device sends the media stream secondary dial tone to the user equipment 1.
  • the user equipment receives a secondary dialing request.
  • the user can dial according to the secondary dial tone of the media stream, so that the user equipment receives the second dialing request.
  • the user equipment sends a DTMF number to the aggregation device according to the secondary dialing request.
  • the user equipment can directly transmit the secondary dialing request to the aggregation device, so that the aggregation device obtains the DTMF number.
  • the aggregation device converts the DTMF number into a TDM signal.
  • the aggregation device can convert the DTMF number into a TDM signal.
  • the aggregation device sends a TDM signal to the program-controlled switch.
  • the convergence device can send a TDM signal to the program-controlled switch in the determined time slot of the E1 chip and the time slot of the DSP, where the TDM signal carries the user equipment. 1 number information dialed twice.
  • the network where the program-controlled switch is located can obtain the number information dialed by the user equipment 1 for the second-time dialing, so that the user equipment 1 and the user equipment 2 can join other user equipments (for example, the user equipment 3) to make multi-party calls.
  • the user equipment 1 can detect that there are other user equipment incoming calls in the network. At this time, the user equipment 1 sends a message such as call waiting or call forwarding that has been set to the convergence device according to the local setting. . At this time, the aggregation device can convert messages such as call waiting or call forwarding, and send the converted message to the program-controlled switch.
  • the program-controlled switch can communicate with other related user equipments according to the received message to inform other user equipment (such as user equipment 3) that the incoming call performs call waiting or call forwarding services.
  • the conversion between the RTP supplementary service message and the V5 supplementary service message in the embodiment of the present invention belongs to the conversion of the control signaling between the V5 protocol and the RTP protocol, and can be performed by the CPU in the aggregation device.
  • the secondary dial tone and the DTMF number are media content, and the media stream can be converted by the DSP in the convergence device, so that the conversion obtains the media stream secondary dial tone and the TDM signal respectively.
  • FIG. 6 is a schematic flowchart of a user equipment releasing a call according to still another embodiment of the present invention.
  • the user equipment After the user equipment hangs up, the user equipment sends an RTP hang-up message conforming to the RTP protocol to the aggregation device.
  • the aggregation device When receiving the RTP on-hook message sent by the user equipment and conforming to the RTP protocol, the aggregation device converts the message into a V5 on-hook message conforming to the V5 protocol.
  • the aggregation device After receiving the V5 on-hook message, the aggregation device sends a V5 on-hook message conforming to the V5 protocol to the program-controlled switch.
  • the aggregation device After receiving the RTP on-hook message, the aggregation device sends an RTP on-hook confirmation message to the user equipment.
  • the program-controlled switch After receiving the V5 on-hook message sent by the aggregation device, the program-controlled switch sends a V5 on-hook confirmation message to the aggregation device.
  • the aggregation device receives the disconnection message sent by the program-controlled switch to indicate that the aggregation device releases the resource.
  • the aggregation device releases resources. For example, the aggregation device releases the time slot of the E1 chip and the time slot of the DSP 2 chip between the program control switch for transmitting voice messages.
  • the aggregation device returns a message to the program-controlled switch that the disconnection is completed.
  • the conversion between the RTP on-hook message and the V5 on-hook message in the embodiment of the present invention belongs to the conversion of the control signaling between the V5 protocol and the RTP protocol, and can be performed by the CPU in the aggregation device.
  • FIG. 7 is a schematic flowchart of a program-controlled switch releasing a call according to still another embodiment of the present invention.
  • the program-controlled switch receives the TDM busy tone.
  • the program-controlled switch After receiving the TDM busy tone, the program-controlled switch sends the TDM busy tone to the aggregation device.
  • the TDM busy signaling is converted into a busy tone of the media stream.
  • the aggregation device After receiving the TDM busy tone sent by the PBX, the aggregation device converts the TDM busy signaling into a media stream busy tone.
  • the aggregation device After receiving the busy tone of the media stream, the aggregation device sends the busy tone of the media stream to the user equipment.
  • the user equipment 1 After the user equipment owner hears the busy tone, the user equipment 1 is hung up.
  • the user equipment After the user equipment hangs up, the user equipment sends an RTP on-hook message conforming to the RTP protocol to the aggregation device.
  • the aggregation device After receiving the RTP on-hook message sent by the user equipment and conforming to the RTP protocol, the aggregation device converts the message into a V5 on-hook message conforming to the V5 protocol.
  • the aggregation device After receiving the V5 on-hook message, the aggregation device sends a V5 on-hook message conforming to the V5 protocol to the PBX.
  • the aggregation device After receiving the RTP on-hook message, the aggregation device sends an RTP on-hook confirmation message to the user equipment.
  • the program-controlled switch After receiving the V5 on-hook message sent by the aggregation device, the program-controlled switch sends a V5 on-hook confirmation message to the aggregation device.
  • the aggregation device receives the disconnection message sent by the program-controlled switch to indicate that the aggregation device releases the resource.
  • the aggregation device releases resources. For example, the aggregation device releases the time slot of the E1 chip and the time slot of the DSP 2 chip between the program control switch for transmitting voice messages.
  • the aggregation device returns a message to the program-controlled switch that the disconnection is completed.
  • the conversion between the RTP on-hook message and the V5 on-hook message in the embodiment of the present invention belongs to the conversion of the control signaling between the V5 protocol and the RTP protocol, and can be performed by the CPU in the aggregation device. While the busy tone is the media content, the conversion between the TDM busy tone and the media stream busy tone can be performed by the DSP in the aggregation device.
  • FIG. 8 is a block diagram of an apparatus for transmitting signaling in accordance with one embodiment of the present invention.
  • the apparatus of Figure 8 can perform the method performed by the aggregation device of Figures 1-7.
  • the apparatus 10 of FIG. 8 includes a receiving unit 11, a converting unit 12, and a first transmitting unit 13.
  • the receiving unit 11 is configured to receive the first signaling that is sent by the first device and is consistent with the first network protocol, where the first network protocol is a protocol supported by the network where the first device is located.
  • the first converting unit 12 is configured to convert the first signaling received by the receiving unit into the second signaling conforming to the second network protocol, where the second network protocol is a protocol supported by the network where the second device is located, and the first network protocol Different from the second network protocol.
  • the first sending unit 13 is configured to send the second signaling obtained by the first converting unit to the second device.
  • the first device is one of the user equipment and the program-controlled switch
  • the second device is the other one of the user equipment and the program-controlled switch.
  • the protocol supported by the network where the user equipment is located is the real-time transport protocol RTP, and the protocol supported by the network where the program-controlled switch is located. For the V5 agreement.
  • the method for transmitting a signal according to an embodiment of the present invention is to pass between a user equipment and a program-controlled switch
  • the signaling conforming to the V5 protocol and the signaling conforming to the RTP protocol are mutually converted, so that communication between the user equipment and the program-controlled switch can still be realized when the network transformation of the user equipment and the program-controlled switch is not synchronized.
  • the converting unit when the user equipment initiates the call, is specifically configured to convert the RTP off-hook message into the V5 off-hook message when receiving the RTP off-hook message sent by the user equipment. make.
  • the converting unit when the user equipment is called, is specifically configured to convert the V5 ringing message into an RTP media stream ringing when receiving the V5 ringing message sent by the program-controlled switch.
  • the message, the method for transmitting the signal further includes: converting the RTP off-hook message to the V5 off-hook signaling when receiving the RTP off-hook message sent by the user equipment.
  • the converting unit when the user equipment initiates the supplementary service, is specifically configured to convert the RTP supplementary service message into the V5 supplementary service message when receiving the RTP supplementary service message sent by the user equipment.
  • the converting unit when the user equipment releases the call, is specifically configured to convert the RTP on-hook message into a V5 on-hook message when receiving the RTP on-hook message sent by the user equipment.
  • the device is a convergence device
  • the first conversion unit is implemented by an E1 chip, a central processing unit CPU, and a digital signal processor DSP included in the aggregation device, where the first conversion unit is specifically used by the CPU.
  • the DSP receives the user signaling conforming to the RTP protocol sent by the user equipment, and converts the user signaling conforming to the RTP protocol into V5 signaling conforming to the V5 protocol, or the CPU receives the V5 that is sent by the program control switch through the E1 chip.
  • V5 signaling of the protocol and converting the V5 signaling into RTP signaling conforming to the RTP protocol.
  • the apparatus further includes a determining unit and a second sending unit.
  • the determining unit is configured to determine the time slot of the E1 chip and the time slot of the DSP required for the voice message transmission with the program control switch.
  • the second sending unit is configured to transmit a voice message between the user equipment and the program-controlled switch through the E1 and the DSP on the time slot of the E1 chip and the time slot of the DSP.
  • the apparatus for transmitting signals according to an embodiment of the present invention may correspond to a method of transmitting signals according to an embodiment of the present invention, and each unit/module in the apparatus and the other operations and/or functions described above are respectively configured to achieve convergence in FIGS. 1 to 7.
  • the corresponding process of the method shown in the device is not described here for brevity.
  • FIG. 9 is a block diagram of a transmission signal device in accordance with another embodiment of the present invention.
  • the device of Figure 9 can be a sink Poly device.
  • the apparatus 20 of FIG. 9 includes a transmitter 21, a receiver 22, a processor 23, and a memory 24.
  • the processor 23 controls the operation of the device 20 and can be used to process signals.
  • Memory 24 can include read only memory and random access memory and provides instructions and data to processor 23.
  • Transmitter 21 and receiver 22 can be coupled to antenna 25.
  • the various components of device 20 are coupled together by a bus system 25, which in addition to the data bus includes a power bus, a control bus, and a status signal bus. However, for clarity of description, various buses are labeled as the bus system 25 in the figure.
  • the method disclosed in the above embodiments of the present invention may be applied to the processor 23 or implemented by the processor 23.
  • each step of the above method may be completed by an integrated logic circuit of hardware in the processor 23 or an instruction in a form of software.
  • the processor 23 can be a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, which can be implemented or executed in an embodiment of the invention.
  • a general purpose processor can be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 24, and the processor 23 reads the information in the memory 24 and, in conjunction with its hardware, performs the steps of the above method.
  • the receiver 22 may receive the first signaling that is sent by the first device and is consistent with the first network protocol, where the first network protocol is a protocol supported by the network where the first device is located.
  • the processor 23 may convert the first signaling into a second signaling conforming to the second network protocol, where the second network protocol is a protocol supported by the network where the second device is located, and the first network protocol is different from the second network protocol.
  • the transmitter 21 can transmit the second signaling to the second device.
  • the first device is one of the user equipment and the program-controlled switch
  • the second device is the other one of the user equipment and the program-controlled switch.
  • the protocol supported by the network where the user equipment is located is the real-time transport protocol RTP, and the protocol supported by the network where the program-controlled switch is located. For the V5 agreement.
  • the method for transmitting a signal in the embodiment of the present invention converts the signaling conforming to the V5 protocol and the signaling conforming to the RTP protocol to each other between the user equipment and the program-controlled switch, so that the network transformation at both ends of the user equipment and the program-controlled switch is not synchronized.
  • User equipment and program-controlled switch can still be implemented Communication between.
  • the processor 23 may convert the RTP off-hook message into the V5 off-hook signaling when receiving the RTP off-hook message sent by the user equipment. .
  • the processor 23 may convert the V5 ringing message into an RTP media stream ringing message when receiving the V5 ringing message sent by the program-controlled switch.
  • the method for transmitting the signal further includes: converting the RTP off-hook message into the V5 off-hook signaling when receiving the RTP off-hook message sent by the user equipment.
  • the processor 23 may convert the RTP supplementary service message into the V5 supplementary service message when receiving the RTP supplementary service message sent by the user equipment.
  • the processor 23 may convert the RTP on-hook message into a V5 on-hook message upon receiving the RTP on-hook message sent by the user equipment.
  • the device is a convergence device
  • the processor 23 may include an E1 chip, a central processing unit CPU, and a digital signal processor DSP.
  • the CPU may receive the RTP-compliant protocol sent by the user equipment by using the DSP.
  • User signaling and convert the user signaling conforming to the RTP protocol into V5 signaling conforming to the V5 protocol, or the CPU may receive the V5 signaling conforming to the V5 protocol sent by the program-controlled switch through the E1 chip, and the V5 signaling The order is converted to RTP signaling conforming to the RTP protocol.
  • the processor 23 may also determine the time slot of the E1 chip and the time slot of the DSP required for voice message transmission with the program-controlled switch.
  • the transmitter 21 can also transmit voice messages between the user equipment and the program-controlled switch through the E1 and DSP on the time slot of the E1 chip and the time slot of the DSP.
  • the apparatus for transmitting signals according to an embodiment of the present invention may correspond to a method of transmitting signals according to an embodiment of the present invention, and each unit/module in the apparatus and the other operations and/or functions described above are respectively configured to achieve convergence in FIGS. 1 to 7.
  • the corresponding process of the method shown in the device is not described here for brevity.
  • RAM random access memory
  • ROM read only memory
  • EEPROM electrically programmable ROM
  • EEPly erasable programmable ROM registers
  • hard disk removable disk
  • CD-ROM computer-readable media

Abstract

本发明实施例提供了一种传输信号的方法和装置。该方法包括接收第一设备发送的符合第一网络协议的第一信令，其中，第一网络协议为第一设备所在的网络支持的协议。并将第一信令转化为符合第二网络协议的第二信令，其中，第二网络协议为第二设备所在的网络支持的协议，第一网络协议和第二网络协议不同。然后向第二设备发送第二信令，第一设备为用户设备和程控交换机之一，第二设备为用户设备和程控交换机中的另一个，用户设备所在的网络支持的协议为实时传输协议RTP，程控交换机所在的网络支持的协议为V5协议。本发明实施例能够在用户设备和程控交换机两端网络改造不同步时，仍然可以实现整个网络系统的通信。

Description

传输信号的方法和装置 技术领域
本发明涉及通信领域，并且更具体地，涉及传输信号的方法和装置。
背景技术
公共交换电话网络(Public Switched Telephone Network，PSTN)是一种常用旧式电话系统，即我们日常生活中常用的固定网络。固定网络的语音接入方式正在从传统的PSTN向下一代网络(Next Generation Network，NGN)或网络互联协议的多媒体子系统(Internet Protocol multimedia subsystem，IMS)网络演进。但在某些场景中，接入层和核心层存在网络改造不同步的情况。例如，用户设备进行网络互联协议(Internet Protocol，IP)化改造，而核心层仍保持原有的PSTN网络。这时，核心层与接入层处在不同的网络，当用户设备不支持直接接入核心层的PSTN网络时，用户设备无法实现与核心层程控交换机的通信。
发明内容
本发明实施例提供一种传输信号的方法和装置，能够在用户设备和程控交换机两端网络改造不同步时，仍然可以实现用户设备与程控交换机之间的通信。
第一方面，提供了一种传输信号的方法，所述方法用于固定网络的语音接入，包括：接收第一设备发送的符合第一网络协议的第一信令，其中，所述第一网络协议为所述第一设备所在的网络支持的协议；将所述第一信令转化为符合第二网络协议的第二信令，其中，所述第二网络协议为第二设备所在的网络支持的协议；向所述第二设备发送所述第二信令；其中，所述第一设备为用户设备和程控交换机之一，所述第二设备为所述用户设备和所述程控交换机中的另一个，所述用户设备所在的网络支持的协议为实时传输协议RTP，所述程控交换机所在的网络支持的协议为V5协议。
结合第一方面，在第一方面的一种实现方式中，在所述用户设备发起呼叫时，所述将所述第一信令转化为符合第二网络协议的第二信令包括：在收到所述用户设备发送的RTP摘机报文时，将所述RTP摘机报文转化为V5 摘机信令。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，在所述用户设备为被叫时，所述将所述第一信令转化为符合第二网络协议的第二信令包括：在收到所述程控交换机发送的振铃消息时，将所述V5振铃消息转化为RTP振铃消息；其中，所述方法还包括：在收到所述用户设备发送的RTP摘机报文时，将所述RTP摘机报文转化为V5摘机信令。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，在所述用户设备发起补充业务时，所述将所述第一信令转化为符合第二网络协议的第二信令包括：在收到所述用户设备发送的RTP补充业务消息时，将所述RTP补充业务消息转化为V5补充业务消息。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，在所述用户设备释放呼叫时，所述将所述第一信令转化为符合第二网络协议的第二信令包括：在收到所述用户设备发送的RTP挂机消息时，将所述RTP挂机消息转化为V5挂机消息。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，所述方法由汇聚设备执行，所述汇聚设备包括E1芯片、中央处理器CPU和数字信号处理器DSP，所述将所述第一信令转化为符合第二网络协议的第二信令包括：所述CPU通过所述DSP接收所述用户设备发送的符合RTP协议的用户信令，并将所述符合RTP协议的用户信令转化为符合V5协议的V5信令；或者，所述CPU通过所述E1芯片接收所述程控交换机发送的符合V5协议的V5信令，并将所述V5信令转化为符合RTP协议的RTP信令。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，所述方法还包括：确定与所述程控交换机进行语音消息传输所需的所述E1芯片的时隙和所述DSP的时隙；在确定的所述E1芯片的时隙和所述DSP的时隙上，通过所述E1和所述DSP传输所述用户设备和所述程控交换机之间的语音消息。
第二方面，提供了一种传输信号的装置，所述装置用于固定网络的语音接入，包括：接收单元，用于接收第一设备发送的符合第一网络协议的第一信令，其中，所述第一网络协议为所述第一设备所在的网络支持的协议；第一转化单元，用于将所述接收单元接收的所述第一信令转化为符合第二网络协议的第二信令，其中，所述第二网络协议为第二设备所在的网络支持的协 议，所述第一网络协议和所述第二网络协议不同；第一发送单元，用于向所述第二设备发送所述第一转化单元得到的所述第二信令；其中，所述第一设备为用户设备和程控交换机之一，所述第二设备为所述用户设备和所述程控交换机中的另一个，所述用户设备所在的网络支持的协议为实时传输协议RTP，所述程控交换机所在的网络支持的协议为V5协议。
结合第二方面，在第二方面的一种实现方式中，在所述用户设备发起呼叫时，所述转化单元具体用于在收到所述用户设备发送的RTP摘机报文时，将所述RTP摘机报文转化为V5摘机信令。
结合第二方面及其上述实现方式，在第二方面的另一种实现方式中，在所述用户设备为被叫时，所述第一转化单元具体用于在收到所述程控交换机发送的V5振铃消息时，将所述V5振铃消息转化为RTP媒体流振铃消息，其中，所述装置还包括：在收到所述用户设备发送的RTP摘机报文时，将所述RTP摘机报文转化为V5摘机信令。
结合第二方面及其上述实现方式，在第二方面的另一种实现方式中，在所述用户设备发起补充业务时，所述第一转化单元具体用于在收到所述用户设备发送的RTP补充业务消息时，将所述RTP补充业务消息转化为V5补充业务消息。
结合第二方面及其上述实现方式，在第二方面的另一种实现方式中，在所述用户设备释放呼叫时，所述第一转化单元具体用于在收到所述用户设备发送的RTP挂机消息时，将所述RTP挂机消息转化为V5挂机消息。
结合第二方面及其上述实现方式，在第二方面的另一种实现方式中，所述装置为汇聚设备，所述第一转化单元由所述汇聚设备包括的E1芯片、中央处理器CPU和数字信号处理器DSP实现，所述第一转化单元具体用于所述CPU通过所述DSP接收所述用户设备发送的符合RTP协议的用户信令，并将所述符合RTP协议的用户信令转化为符合V5协议的V5信令，或者，所述CPU通过所述E1芯片接收所述程控交换机发送的符合V5协议的V5信令，并将所述V5信令转化为符合RTP协议的RTP信令。
结合第二方面及其上述实现方式，在第二方面的另一种实现方式中，所述装置还包括：确定单元，用于确定与所述程控交换机进行语音消息传输所需的所述E1芯片的时隙和所述DSP的时隙；第二发送单元，用于在确定的所述E1芯片的时隙和所述DSP的时隙上，通过所述E1和所述DSP传输所 述用户设备和所述程控交换机之间的语音消息。
本发明实施例的传输信号的方法，通过在用户设备和程控交换机之间将符合V5协议的信令和符合实施传输协议(Real-Time Transport Protocol，RTP)的信令相互转化，这样可以在用户设备和程控交换机两端网络改造不同步时，仍然可以实现用户设备与程控交换机之间的通信。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对本发明实施例中所需要使用的附图作简单地介绍，显而易见地，下面所描述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是本发明一个实施例的传输信令的方法的示意性流程图。
图2是本发明另一实施例的改组网图。
图3是本发明再一实施例的用户设备发起呼叫的示意性流程图。
图4是本发明再一实施例的程控交换机发起呼叫的示意性流程图。
图5是本发明再一实施例的用户设备发起补充业务的示意性流程图。
图6是本发明再一实施例的用户设备释放呼叫的示意性流程图。
图7是本发明再一实施例的程控交换机释放呼叫的示意性流程图。
图8是本发明一个实施例的传输信令的装置的框图。
图9是本发明另一实施例的传输信令的装置的框图。
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，所描述的实施例是本发明的一部分实施例，而不是全部实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都应属于本发明保护的范围。
应理解，本发明实施例仅以用户设备为固定网络电话机为例进行示例性说明，但本发明并不限于此。用户设备(User Equipment，简称为“UE”)可称之为终端(Terminal)、移动台(Mobile Station，简称为“MS”)或移动终端(Mobile Terminal)等。该用户设备可以经无线接入网(Radio Access Network，简称为“RAN”)与一个或多个核心网进行通信，例如，用户设备 可以是移动电话(或称为“蜂窝”电话)或具有移动终端的计算机等，用户设备也可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，用户设备也可以为网络互联协议(Internet Protocol，IP)话机，用户设备还可以为光纤接入(Fiber to the x，FTTx)设备，用户设备还可以为光网络单元(optical network unit，ONU)设备等。
图1是本发明一个实施例的传输信号的方法的示意性流程图。图1的方法可以由汇聚设备执行。
101，接收第一设备发送的符合第一网络协议的第一信令，其中，第一网络协议为第一设备所在的网络支持的协议。
102，将第一信令转化为符合第二网络协议的第二信令，其中，第二网络协议为第二设备所在的网络支持的协议，第一网络协议和第二网络协议不同。
103，向第二设备发送第二信令。其中，第一设备为用户设备和程控交换机之一，第二设备为用户设备和程控交换机中的另一个，用户设备所在的网络支持的协议为实时传输协议RTP，程控交换机所在的网络支持的协议为V5协议。
本发明实施例的传输信号的方法，通过在用户设备和程控交换机之间将符合V5协议的信令和符合RTP协议的信令相互转化，这样可以在用户设备和程控交换机两端网络改造不同步时，仍然可以实现用户设备与程控交换机之间的通信。
本发明实施例中的第一信令、第二信令可以为通过RTP事件引发的信令，RTP事件可以为摘机、挂机、振铃、补充业务等。
在本发明的一个实施例中，在用户设备发起呼叫时，将第一信令转化为符合第二网络协议的第二信令可以包括：在收到用户设备发送的RTP摘机报文时，将所RTP摘机报文转化为V5摘机信令。
V5接口协议簇规定了接入网(Access Network)和本地交换网(Local Exchange)之间互联的信号物理标准、呼叫控制信息传递协议，属于业务节点接口(Service Node Interface，SNI)协议。V5协议提供了接入网和本地交换网间的标准接口。
在本发明的一个实施例中，在所述用户设备为被叫时，将第一信令转化为符合第二网络协议的第二信令可以包括：在收到程控交换机发送的V5振 铃消息时，将V5振铃消息转化为RTP媒体流振铃消息。在本发明的一个实施例中，传输信号的方法还包括：在收到用户设备发送的RTP摘机报文时，将RTP摘机报文转化为V5摘机信令。
在本发明的一个实施例中，在用户设备发起补充业务时，将第一信令转化为符合第二网络协议的第二信令可以包括：在收到用户设备发送的RTP补充业务消息时，将RTP补充业务消息转化为V5补充业务消息。
在本发明的一个实施例中，在用户设备释放呼叫时，将第一信令转化为符合第二网络协议的第二信令可以包括：在收到用户设备发送的RTP挂机消息时，将RTP挂机消息转化为V5挂机消息。
在本发明的一个实施例中，传输信号的方法可以由汇聚设备执行，汇聚设备包括E1芯片、中央处理器(Central Processing Unit，CPU)和数字信号处理器(Digital Signal Processor，DSP)，将第一信令转化为符合第二网络协议的第二信令包括：CPU通过DSP接收用户设备发送的符合RTP协议的用户信令，并将符合RTP协议的用户信令转化为符合V5协议的V5信令，或者，CPU通过E1芯片接收程控交换机发送的符合V5协议的V5信令，并将V5信令转化为符合RTP协议的RTP信令。
E1是欧洲的30路脉码调制(pulse code modulation，PCM)的简称，速率是2.048Mbit/s。E1的一个时分复用帧(其长度T＝125us)共划分为32相等的时隙，时隙的编号为CH0～CH31。其中时隙CH0用作帧同步，时隙CH16用来传送信令，剩下CH1～CH15和CH17～CH31共30个时隙用作30个话路。
在本发明的一个实施例中，在汇聚设备接收程控交换机发送的分配的时隙之后，可以确定与程控交换机进行语音消息传输所需的E1芯片的时隙和DSP的时隙。并在确定的E1芯片的时隙和DSP的时隙上，通过E1和DSP传输用户设备和程控交换机之间的语音消息。例如通过E1和DSP由用户设备向程控交换机发送语音消息，或者，通过E1和DSP由程控交换机向用户设备发送语音消息。E1芯片的时隙和DSP的时隙分别与程控交换机的时隙进行连接之后，语音消息可以直接通过DSP和E1芯片进行传输，其中，DSP可以将符合V5协议的语音消息和符合RTP协议的语音消息进行转化。
在本发明的一个实施例中，当用户设备释放呼叫时，汇聚设备可以示范E1芯片的时隙和DSP的时隙，以便后续传输媒体内容时可以继续使用已释 放的时隙。
现有技术中，可以对用户设备侧的信令进行转化使得转化后的信令符合PSTN网络的洗衣，但是，现有的用户设备侧的信令符合H.248协议或会话发起协议(Session Initiation Protocol，SIP)协议，转化后的信令符合V5协议，这种转化方法复杂、且成本高，而本发明的转化方法更容易实现且成本低。
本发明实施例中的用户设备可以为下列设备中的任意一种：ONU设备、个人计算机PC、IP话机、FTTx设备、模拟话机和手持终端设备。
下面将结合图2详细说明本发明实施例的对信令格式进行转化的具体实施方式。
图2是本发明另一实施例的改组网图。
在本发明的一个实施例中，固定网络语音接入系统的综合数据网络改组网图包括用户设备201、位于接入层的汇聚设备202和位于核心层的程控交换机203。其中，程控交换机203处在公共交换电话网络PSTN，用户设备201处在传输层的网络互联协议IP网络，例如，NGN或IMS网络。用户设备201与汇聚设备202之间通过各自的数字信号处理器DSP的接口相连接，程控交换机203与汇聚设备202之间通过E1线连接。
用户设备201可以包括数字信号处理器(如DSP 1)、中央处理器CPU(如CPU 1)和交换网芯片。汇聚设备202可以包括数字信号处理器(如DSP 2)、中央处理器(如CPU 2)和E1芯片。用户设备由于摘挂机、振铃、补充业务等事件发出的信令可以通过用户设备的交换网芯片传输至CPU 1进行处理，接着传输至DSP 1进行处理，这样处理后的用户信令为符合实施传输协议RTP协议的信号，然后由DSP 1将处理后的用户信令传输至DSP 2，并由DSP 2传输至CPU 2进行处理，这样可以将符合RTP协议的用户信令转化为符合V5协议的V5信令，并承载于PSTN网络的E1线上。汇聚设备可以将V5信令通过E1芯片传输至程控交换机。同理，由于网络呼入等事件的触发，程控交换机可以向E1芯片传输V5信令，E1芯片可以向CPU 2发送V5信令并由CPU 2对V5信令进行处理，这样CPU 2可以将符合V5协议的V5信令转化为符合RTP协议的用户信令，并承载于IP网络上，再由DSP2、DSP1、CPU 1和用户交互网芯片传输至用户设备。其中，CPU 1可以将用户设备摘挂机、振铃、补充业务等事件引发的内部信令转化为符合 RTP协议的用户信令，DSP 1可以将用户信令的用户设备支持的用户信令转化为汇聚设备支持的用户信令。DSP 2可以将收到的用户信令转化为CPU 2支持的用户信令，CPU 2可以将接收的用户信令转化为符合V5协议的V5信令。或者，CPU 2将符合V5协议的V5信令转化为符合RTP协议的用户信令，DSP 2将接收的用户信令转化为用户设备的DSP支持的用户信令，DSP 1将接收的用户信令转化为CPU 1支持的信令，CPU 1将接收的信令转化为内部信令并传输至交换机芯片。这样，用户设备和程控交换机之间可以通过汇聚设备将信令格式进行转化，使得在用户设备和程控交换机两端网络不同时，仍然可以实现用户设备和程控交换机之间控制信令和语音消息的传输。
本发明实施例中以及之后的图3至图7的流程图中汇聚设备对信令进行的转化都是通过上述途径进行的，只是不同信令的名称不同，为避免重复，之后的转化过程不再一一赘述。
本发明实施例中汇聚设备对信令进行转化可以改变信令的格式或承载方式，使得转化前后的信令符合不同的网络协议。
用户设备和程控交换机之间可以传输信令，还可以传输媒体内容，如语音消息等。当媒体内容需要在用户设备和程控交换机之间传输时，可以连接用户设备的用户交换网芯片的时隙和DSP 1芯片的时隙，以及连接汇聚设备的E1芯片的时隙和DSP 2芯片的时隙。这样，在指定时隙内，用户设备的媒体内容可以通过交换网芯片直接向DSP1传输，并通过DSP 2直接传输至E1，最后传输至程控交换机。同样，程控交换机的媒体内容也可以通过E1传输至DSP 2，接着传输至DSP 1，再传输至用户交换网芯片，最后传输至用户设备。在进行媒体内容传输时，汇聚设备中的DSP 1可以对媒体内容进行转化。例如，媒体内容通过DSP2时可以将符合RTP协议的媒体内容转化为符合V5协议的媒体内容，或者将符合V5协议的媒体内容转化为符合RTP协议的媒体内容。
下面将结合图3至图7的具体例子详细说明本发明实施例的传输信令的转化。
图3是本发明再一实施例的用户设备发起呼叫的示意性流程图。
在本发明的一个实施例中，固定网络语音接入系统包括主叫(如用户设备1)、被叫(如用户设备2)、汇聚设备和程控交换机。
301，用户设备1摘机。
用户设备1欲发起呼叫请求，首先摘机。
302，用户设备1向汇聚设备发送RTP摘机报文。
RTP摘机报文可以为2833消息，用户设备摘机后，可以通过2833消息封装RTP摘机报文。具体地，用户设备1摘机后，用户设备摘机的事件传输至交换网模块，交换网模块将摘机事件转化为内部信令，并将内部信令传输至用户设备的CPU(例如，CPU 1)，CPU 1可以区分该信令是由摘机事件触发的，并将该内部信令转化为CPU可识别的用户信令并传输至DSP 1。其中，交换网模块包括交换网芯片。
303，汇聚设备将RTP摘机报文进行转化。
汇聚设备在收到用户设备发送的RTP摘机报文时，将符合RTP协议的RTP摘机报文转化为符合V5协议的V5摘机信令。
304，汇聚设备向程控交换机发送V5摘机信令。
汇聚设备在完成转化之后，可以将V5摘机信令发送到程控交换机。
305，汇聚设备向用户设备1发送摘机响应消息。
汇聚设备收到用户设备1发送的RTP摘机报文后，可以通过2833消息封装摘机响应消息，并向用户设备发送摘机响应消息。
306，程控交换机向汇聚设备发送摘机确认消息。
程控交换机在收到汇聚设备发送的符合V5协议的V5摘机信令之后，也可以向汇聚设备返回摘机确认消息。
307，程控交换机向汇聚设备发送分配时隙请求消息。
程控交换机收到汇聚设备发送的摘机消息之后，向汇聚设备发送分配时隙请求消息，请求汇聚设备分配时隙，以在分配的时隙上传输媒体内容。
308，汇聚设备对E1芯片的时隙和DSP 2芯片的时隙进行联网。
汇聚设备根据分配时隙请求消息对时隙进行分配，并对分配的E1芯片的时隙和DSP 2芯片的时隙进行联网，即确定与程控交换机进行语音消息传输所需的E1芯片的时隙和DSP的时隙。
309，汇聚设备向程控交换机发送确认时隙的消息。
汇聚设备在对时隙进行分配之后，可以向程控交换机发送确认时隙的消息，告知程控交换机已分配的时隙。
310，程控交换机向汇聚设备发送拨号音。
程控交换机在收到汇聚设备发送的确认时隙的消息之后，可以在确定的E1芯片的时隙和DSP的时隙上向汇聚设备发送拨号音，以指示用户可以进行拨号。
311，汇聚设备将拨号音转化为媒体流拨号音。
汇聚设备在收到程控交换机发送的拨号音之后，可以将拨号音转化为RTP媒体流拨号音。
312，汇聚设备将媒体流拨号音传输至用户设备1。
汇聚设备可以向用户设备1发送媒体流拨号音，以提示用户进行拨号。
313，用户设备收到拨号请求。
用户可以根据媒体流拨号音进行拨号，这样用户设备可以收到拨号请求。
314，用户设备根据拨号请求向汇聚设备发送双音多频(Dual Tone Multiple frequency，DTMF)号码。
用户设备可以将拨号请求直接透传至汇聚设备，使得汇聚设备得到DTMF号码。
315，汇聚设备将DTMF号码转化为时分复用(Time-Division Multiplexing，TDM)信号。
汇聚设备在收到用户设备发送的DTMF号码时，可以将DTMF号码转化为TDM信号。
316，汇聚设备向程控交换机发送TDM信号。
汇聚设备在得到TDM信号之后，可以在与程控交换机确定的E1芯片的时隙和DSP的时隙上向程控交换机发送TDM信号，其中，TDM信号中携带有用户设备1所拨的号码信息。这样程控交换机所在网络就可以获得用户设备1所拨的号码信息，以便程控交换机与被叫用户设备2进行通信。
317，用户设备2摘机后，两个用户设备之间建立通话。
当被叫用户设备2摘机后，两个用户设备之间可以建立通话。
本发明实施例中的RTP摘机报文到V5摘机信令的转化，属于控制信令在V5协议和RTP协议之间的转化，可以由汇聚设备中的CPU执行。而拨号音和DTMF号码为媒体内容，可以由汇聚设备中的DSP对它们进行媒体流的转换，使转化分别得到媒体流拨号音和TDM信号。
本发明图3的实施例仅对用户设备发起呼叫的流程进行示例性说明。下 面将结合图4具体说明程控交换机发起呼叫的具体流程，即被叫用户设备2如何通过汇聚设备、程控交换机获得通信信息。
图4是本发明再一实施例的程控交换机发起呼叫的示意性流程图。
在本发明的该实施例中，具体说明程控交换机发起呼叫的具体流程，即程控交换机收到携带有用户设备1所拨号码的TDM信号之后，程控交换机通过汇聚设备与用户设备2之间建立连接，并通过汇聚设备与用户设备2传输信令。
401，网络呼入。
程控交换机收到用户设备1所拨打的号码信息之后，表示网络有呼入。
402，程控交换机发送分配时隙请求消息。
程控交换机在网络有呼入时，程控交换机可以向汇聚设备发送分配时隙请求消息。
403，汇聚设备对分配的E1芯片的时隙和DSP 2芯片的时隙进行联网。
汇聚设备程控交换机发送的分配时隙请求消息之后，可以对时隙进行分配，并对分配的E1芯片的时隙和DSP 2芯片的时隙进行联网，即在分配的时隙中选择与程控交换机进行语音消息传输所需的E1芯片的时隙和DSP的时隙。
404，汇聚设备发送确认时隙。
汇聚设备在对时隙进行分配之后，可以向程控交换机发送确认时隙的消息，告知程控交换机已分配的时隙。
405，时隙是否可用。
程控交换机在收到去人时隙的消息之后，还可以向汇聚设备发送时隙是否可用的消息。
406，确认可用时隙。
汇聚设备在收到时隙是否可用的消息后，确认可用的时隙，并向程控交换机发送可用时隙。
407，发送V5振铃消息。
程控交换机在确认可用时隙后，可以向汇聚设备发送V5振铃消息。
408，V5振铃消息转化为RTP振铃消息。
汇聚设备可以在收到V5振铃消息之后，并将符合V5协议的V5振铃消息转化为符合RTP协议的RTP振铃消息。
409，传输RTP振铃消息。
汇聚设备向用户设备2发送转化后的符合RTP协议的RTP振铃消息。
410，振铃。
用户设备2接收RTP振铃消息之后，进行振铃。
411，摘机。
用户设备的持有者可以在听到振铃之后，对用户设备2摘机。
412，发送RTP摘机报文。
用户设备2摘机后，向汇聚设备发送RTP摘机报文。
413，转化RTP摘机报文。
汇聚设备收到RTP摘机报文后，将其转化为符合V5协议的V5摘机信令。
414，发送V5摘机信令。
汇聚设备在得到V5摘机信令后，向程控交换机发送V5摘机信令。
415，用户设备2摘机后，两个用户设备之间建立通话。
用户设备2摘机后，用户设备1和用户设备2之间建立通话。
本发明实施例中的V5振铃消息到RTP振铃消息之间的转化，以及RTP摘机报文到V5振铃信令之间的转化都属于控制信令在V5协议和RTP协议之间的转化，可以由汇聚设备中的CPU执行。
图5是本发明再一实施例的用户设备发起补充业务的示意性流程图。
在本发明的该实施例中，结合图5说明用户需要发起补充业务的具体流程，即在用户设备1和用户设备2之间已经建立通话之后，用户设备1需要补充业务时用户设备、汇聚设备和程控交换机之间相同通信的流程。补充业务可以包括号码显示业务、呼叫前转业务、呼叫等待与呼叫保持业务、多方通话业务、呼叫限制业务和呼叫转接业务等。本发明实施例仅以二次拨号即三方通话为例进行示例性说明。
501，检测补充业务。
用户设备1需要进行补充业务时，首先对补充业务消息进行检测，例如，检测得到用户设备1需要进行二次拨号。
502，发送RTP补充业务消息。
用户设备1在检测得到需要进行补充业务时，用户设备1向汇聚设备发送符合RTP协议的RTP补充业务消息。
503，转化RTP补充业务消息。
汇聚设备在收到用户设备1发送的符合RTP协议的补充业务消息之后，将符合RTP协议的RTP补充业务消息转化为符合V5协议的V5补充业务消息。
504，发送V5补充业务消息。
汇聚设备在得到V5补充业务消息之后，向程控交换机发送符合V5协议的V5补充业务消息。
505，确认V5补充业务消息。
程控交换机在收到V5补充业务消息之后，向汇聚设备发送确认收到V5补充业务消息。
506，发送二次拨号音。
程控交换机在收到V5补充业务消息之后，在与汇聚设备确定的用于传输语音消息的E1芯片的时隙和DSP 2芯片的时隙上向汇聚设备发送二次拨号音。
507，将二次拨号音转化为媒体流二次拨号音。
汇聚设备在收到程控交换机发送的二次拨号音之后，可以将接收的二次拨号音转化为媒体流二次拨号音。
508，汇聚设备向用户设备1发送媒体流二次拨号音。
汇聚设备在得到媒体流二次拨号音之后，向用户设备1发送媒体流二次拨号音。
509，用户设备收到二次拨号请求。
用户可以根据媒体流二次拨号音进行拨号，这样用户设备收到二次拨号请求。
510，用户设备根据二次拨号请求向汇聚设备发送DTMF号码。
用户设备可以将二次拨号请求直接透传至汇聚设备，使得汇聚设备得到DTMF号码。
511，汇聚设备将DTMF号码转化为TDM信号。
汇聚设备可以将DTMF号码转化为TDM信号。
512，汇聚设备向程控交换机发送TDM信号。
汇聚设备在得到TDM信号之后，可以在确定的E1芯片的时隙和DSP的时隙上向程控交换机发送TDM信号，其中，TDM信号中携带有用户设备 1二次所拨的号码信息。这样程控交换机所在网络就可以获得用户设备1二次拨号所拨的号码信息，这样，用户设备1和用户设备2通话时可以加入其它用户设备(例如用户设备3)进行多方通话。
当补充业务为呼叫等待或者呼叫转移时，用户设备1可以检测得到网络中有其它用户设备呼入，这时，用户设备1根据本地设置向汇聚设备发送已经设置好的呼叫等待或呼叫转移等消息。这时，汇聚设备可以将呼叫等待或呼叫转移等消息进行转化，并向程控交换机发送转化后的消息。程控交换机可以根据接收的消息与其它相关的用户设备进行通信，以告知呼入的其它用户设备(例如用户设备3)执行呼叫等待或呼叫转移业务。
本发明实施例中的RTP补充业务消息到V5补充业务消息之间的转化，属于控制信令在V5协议和RTP协议之间的转化，可以由汇聚设备中的CPU执行。而二次拨号音和DTMF号码为媒体内容，可以由汇聚设备中的DSP对它们进行媒体流的转换，使转化分别得到媒体流二次拨号音和TDM信号。
图6是本发明再一实施例的用户设备释放呼叫的示意性流程图。
601，挂机。
用户设备通话结束后，挂机。
602，发送RTP挂机消息。
用户设备挂机后，用户设备向汇聚设备发送符合RTP协议RTP挂机消息。
603，转化RTP挂机消息。
汇聚设备在收到用户设备发送的符合RTP协议的RTP挂机消息时，将该消息转化为符合V5协议的V5挂机消息。
604，发送V5挂机消息。
汇聚设备在得到V5挂机消息后，向程控交换机发送符合V5协议的V5挂机消息。
605，发送RTP挂机确认消息。
汇聚设备收到RTP挂机消息后向用户设备发送RTP挂机确认消息。
606，发送V5挂机确认消息。
程控交换机在收到汇聚设备发送的V5挂机消息后向汇聚设备发送V5挂机确认消息。
607，断开连接。
汇聚设备接收程控交换机发送的断开连接消息，以指示汇聚设备释放资源。
608，拆网。
汇聚设备释放资源。例如，汇聚设备释放与程控交换机之间用于传输语音消息的E1芯片的时隙和DSP 2芯片的时隙。
609，完成断开连接。
汇聚设备向程控交换机返回完成断开连接的消息。
本发明实施例中的RTP挂机消息到V5挂机消息之间的转化属于控制信令在V5协议和RTP协议之间的转化，可以由汇聚设备中的CPU执行。
图7是本发明再一实施例的程控交换机释放呼叫的示意性流程图。
701，TDM忙音。
程控交换机收到TDM忙音。
702，发送TDM忙音。
程控交换机收到TDM忙音后，向汇聚设备发送该TDM忙音。
703，TDM忙音信令转化为媒体流忙音。
汇聚设备在收到程控交换机发送的TDM忙音后，将TDM忙音信令转化为媒体流忙音。
704，发送媒体流忙音。
汇聚设备在得到媒体流忙音后，向用户设备发送该媒体流忙音。
705，挂机。
用户设备的持有者听到忙音后，将用户设备1挂机。
706，发送RTP挂机消息。
用户设备挂机后，用户设备向汇聚设备发送符合RTP协议的RTP挂机消息。
707，转化RTP挂机消息。
汇聚设备在收到用户设备发送的符合RTP协议的RTP挂机消息后，将该消息转化为符合V5协议的V5挂机消息。
708，发送V5挂机消息。
汇聚设备得到V5挂机消息后，向程控交换机发送符合V5协议的V5挂机消息。
709，发送RTP挂机确认消息。
汇聚设备收到RTP挂机消息后向用户设备发送RTP挂机确认消息。
710，发送V5挂机确认消息。
程控交换机在收到汇聚设备发送的V5挂机消息后，向汇聚设备发送V5挂机确认消息。
711，断开连接消息。
汇聚设备接收程控交换机发送的断开连接消息，以指示汇聚设备释放资源。
712，拆网。
汇聚设备释放资源。例如，汇聚设备释放与程控交换机之间用于传输语音消息的E1芯片的时隙和DSP 2芯片的时隙。
713，完成断开连接。
汇聚设备向程控交换机返回完成断开连接的消息。
本发明实施例中的RTP挂机消息到V5挂机消息之间的转化，属于控制信令在V5协议和RTP协议之间的转化，可以由汇聚设备中的CPU执行。而忙音为媒体内容，TDM忙音到媒体流忙音之间的转化可以由汇聚设备中的DSP执行。
上文结合图1至图7详细说明用于本发明实施例的传输信令的方法及具体流程，下面结合图8和图9详细说明用于本发明实施例的传输信令的装置。
图8是本发明一个实施例的传输信令的装置的框图。图8的装置可执行图1至图7中汇聚设备所执行的方法。图8的装置10包括接收单元11、转化单元12和第一发送单元13。
接收单元11用于接收第一设备发送的符合第一网络协议的第一信令，其中，第一网络协议为第一设备所在的网络支持的协议。
第一转化单元12用于将接收单元接收的第一信令转化为符合第二网络协议的第二信令，其中，第二网络协议为第二设备所在的网络支持的协议，第一网络协议和第二网络协议不同。
第一发送单元13用于向第二设备发送第一转化单元得到的第二信令。其中，第一设备为用户设备和程控交换机之一，第二设备为用户设备和程控交换机中的另一个，用户设备所在的网络支持的协议为实时传输协议RTP，程控交换机所在的网络支持的协议为V5协议。
本发明实施例的传输信号的方法，通过在用户设备和程控交换机之间将 符合V5协议的信令和符合RTP协议的信令相互转化，这样可以在用户设备和程控交换机两端网络改造不同步时，仍然可以实现用户设备与程控交换机之间的通信。
可选地，作为本发明的一个实施例，在用户设备发起呼叫时，转化单元具体用于在收到用户设备发送的RTP摘机报文时，将RTP摘机报文转化为V5摘机信令。
可选地，作为本发明的一个实施例，在用户设备为被叫时，转化单元具体用于在收到程控交换机发送的V5振铃消息时，将V5振铃消息转化为RTP媒体流振铃消息，该传输信号的方法还包括：在收到用户设备发送的RTP摘机报文时，将RTP摘机报文转化为V5摘机信令。
可选地，作为本发明的一个实施例，在用户设备发起补充业务时，转化单元具体用于在收到用户设备发送的RTP补充业务消息时，将RTP补充业务消息转化为V5补充业务消息。
可选地，作为本发明的一个实施例，在用户设备释放呼叫时，转化单元具体用于在收到用户设备发送的RTP挂机消息时，将RTP挂机消息转化为V5挂机消息。
可选地，作为本发明的一个实施例，装置为汇聚设备，第一转化单元由汇聚设备包括的E1芯片、中央处理器CPU和数字信号处理器DSP实现，第一转化单元具体用于CPU通过DSP接收所述用户设备发送的符合RTP协议的用户信令，并将符合RTP协议的用户信令转化为符合V5协议的V5信令，或者，CPU通过E1芯片接收所述程控交换机发送的符合V5协议的V5信令，并将V5信令转化为符合RTP协议的RTP信令。
可选地，作为本发明的一个实施例，装置还包括确定单元和第二发送单元。确定单元用于确定与程控交换机进行语音消息传输所需的E1芯片的时隙和DSP的时隙。第二发送单元用于在E1芯片的时隙和DSP的时隙上，通过E1和DSP传输用户设备和程控交换机之间的语音消息。
根据本发明实施例的传输信号的装置可对应于本发明实施例传输信号的方法，并且，该装置中的各个单元/模块和上述其他操作和/或功能分别为了实现图1至图7中汇聚设备所示方法的相应流程，为了简洁，在此不再赘述。
图9是本发明另一实施例的传输信号装置的框图。图9的装置可以为汇 聚设备。图9的装置20包括发射机21、接收机22、处理器23和存储器24。处理器23控制装置20的操作，并可用于处理信号。存储器24可以包括只读存储器和随机存取存储器，并向处理器23提供指令和数据。发射机21和接收机22可以耦合到天线25。装置20的各个组件通过总线系统25耦合在一起，其中总线系统25除包括数据总线之外，还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见，在图中将各种总线都标为总线系统25。
上述本发明实施例揭示的方法可以应用于处理器23中，或者由处理器23实现。在实现过程中，上述方法的各步骤可以通过处理器23中的硬件的集成逻辑电路或者软件形式的指令完成。处理器23可以是通用处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件，可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本发明实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器24，处理器23读取存储器24中的信息，结合其硬件完成上述方法的步骤。
具体地，接收机22可以接收第一设备发送的符合第一网络协议的第一信令，其中，第一网络协议为第一设备所在的网络支持的协议。
处理器23可以将第一信令转化为符合第二网络协议的第二信令，其中，第二网络协议为第二设备所在的网络支持的协议，第一网络协议和第二网络协议不同。
发射机21可以向第二设备发送第二信令。其中，第一设备为用户设备和程控交换机之一，第二设备为用户设备和程控交换机中的另一个，用户设备所在的网络支持的协议为实时传输协议RTP，程控交换机所在的网络支持的协议为V5协议。
本发明实施例的传输信号的方法，通过在用户设备和程控交换机之间将符合V5协议的信令和符合RTP协议的信令相互转化，这样可以在用户设备和程控交换机两端网络改造不同步时，仍然可以实现用户设备与程控交换机 之间的通信。
可选地，作为本发明的一个实施例，在用户设备发起呼叫时，处理器23可以在收到用户设备发送的RTP摘机报文时，将RTP摘机报文转化为V5摘机信令。
可选地，作为本发明的一个实施例，在用户设备为被叫时，处理器23可以在收到程控交换机发送的V5振铃消息时，将V5振铃消息转化为RTP媒体流振铃消息，该传输信号的方法还包括：在收到用户设备发送的RTP摘机报文时，将RTP摘机报文转化为V5摘机信令。
可选地，作为本发明的一个实施例，在用户设备发起补充业务时，处理器23可以在收到用户设备发送的RTP补充业务消息时，将RTP补充业务消息转化为V5补充业务消息。
可选地，作为本发明的一个实施例，在用户设备释放呼叫时，处理器23可以在收到用户设备发送的RTP挂机消息时，将RTP挂机消息转化为V5挂机消息。
可选地，作为本发明的一个实施例，装置为汇聚设备，处理器23可以包括E1芯片、中央处理器CPU和数字信号处理器DSP，CPU可以通过DSP接收所述用户设备发送的符合RTP协议的用户信令，并将符合RTP协议的用户信令转化为符合V5协议的V5信令，或者，CPU可以通过E1芯片接收所述程控交换机发送的符合V5协议的V5信令，并将V5信令转化为符合RTP协议的RTP信令。
可选地，作为本发明的一个实施例，处理器23还可以确定与程控交换机进行语音消息传输所需的E1芯片的时隙和DSP的时隙。发射机21还可以在E1芯片的时隙和DSP的时隙上，通过E1和DSP传输用户设备和程控交换机之间的语音消息。
根据本发明实施例的传输信号的装置可对应于本发明实施例传输信号的方法，并且，该装置中的各个单元/模块和上述其他操作和/或功能分别为了实现图1至图7中汇聚设备所示方法的相应流程，为了简洁，在此不再赘述。
应理解，流程中各步骤的序号并不构成对各步骤执行的时间先后顺序的约束或限定。
本领域普通技术人员可以意识到，结合本文中所公开的实施例中描述的 各方法步骤和单元，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各实施例的步骤及组成。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。本领域普通技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
结合本文中所公开的实施例描述的方法或步骤可以用硬件、处理器执行的软件程序，或者二者的结合来实施。软件程序可以置于随机存储器(RAM)、内存、只读存储器(ROM)、电可编程ROM、电可擦除可编程ROM、寄存器、硬盘、可移动磁盘、CD-ROM、或技术领域内所公知的任意其它形式的存储介质中。
尽管通过参考附图并结合优选实施例的方式对本发明进行了详细描述，但本发明并不限于此。在不脱离本发明的精神和实质的前提下，本领域普通技术人员可以对本发明的实施例进行各种等效的修改或替换，而这些修改或替换都应在本发明的涵盖范围内。

Claims (14)

  1. 一种传输信号的方法，其特征在于，所述方法用于固定网络的语音接入，包括：
    接收第一设备发送的符合第一网络协议的第一信令，其中，所述第一网络协议为所述第一设备所在的网络支持的协议；
    将所述第一信令转化为符合第二网络协议的第二信令，其中，所述第二网络协议为第二设备所在的网络支持的协议；
    向所述第二设备发送所述第二信令；
    其中，所述第一设备为用户设备和程控交换机之一，所述第二设备为所述用户设备和所述程控交换机中的另一个，所述用户设备所在的网络支持的协议为实时传输协议RTP，所述程控交换机所在的网络支持的协议为V5协议。
  2. 如权利要求1所述的方法，其特征在于，在所述用户设备发起呼叫时，所述将所述第一信令转化为符合第二网络协议的第二信令包括：
    在收到所述用户设备发送的RTP摘机报文时，将所述RTP摘机报文转化为V5摘机信令。
  3. 如权利要求1所述的方法，其特征在于，在所述用户设备为被叫时，所述将所述第一信令转化为符合第二网络协议的第二信令包括：
    在收到所述程控交换机发送的V5振铃消息时，将所述V5振铃消息转化为RTP媒体流振铃消息；
    其中，所述方法还包括：
    在收到所述用户设备发送的RTP摘机报文时，将所述RTP摘机报文转化为V5摘机信令。
  4. 如权利要求1所述的方法，其特征在于，在所述用户设备发起补充业务时，所述将所述第一信令转化为符合第二网络协议的第二信令包括：
    在收到所述用户设备发送的RTP补充业务消息时，将所述RTP补充业务消息转化为V5补充业务消息。
  5. 如权利要求1所述的方法，其特征在于，在所述用户设备释放呼叫时，所述将所述第一信令转化为符合第二网络协议的第二信令包括：
    在收到所述用户设备发送的RTP挂机消息时，将所述RTP挂机消息转化为V5挂机消息。
  6. 如权利要求1-5中任一项所述的方法，其特征在于，所述方法由汇聚设备执行，所述汇聚设备包括E1芯片、中央处理器CPU和数字信号处理器DSP，所述将所述第一信令转化为符合第二网络协议的第二信令包括：
    所述CPU通过所述DSP接收所述用户设备发送的符合RTP协议的用户信令，并将所述符合RTP协议的用户信令转化为符合V5协议的V5信令；或者，
    所述CPU通过所述E1芯片接收所述程控交换机发送的符合V5协议的V5信令，并将所述V5信令转化为符合RTP协议的RTP信令。
  7. 如权利要求6所述的方法，其特征在于，所述方法还包括：
    确定与所述程控交换机进行语音消息传输所需的所述E1芯片的时隙和所述DSP的时隙；
    在确定的所述E1芯片的时隙和所述DSP的时隙上，通过所述E1和所述DSP传输所述用户设备和所述程控交换机之间的语音消息。
  8. 一种传输信号的装置，其特征在于，所述装置用于固定网络的语音接入，包括：
    接收单元，用于接收第一设备发送的符合第一网络协议的第一信令，其中，所述第一网络协议为所述第一设备所在的网络支持的协议；
    第一转化单元，用于将所述接收单元接收的所述第一信令转化为符合第二网络协议的第二信令，其中，所述第二网络协议为第二设备所在的网络支持的协议，所述第一网络协议和所述第二网络协议不同；
    第一发送单元，用于向所述第二设备发送所述第一转化单元得到的所述第二信令；
    其中，所述第一设备为用户设备和程控交换机之一，所述第二设备为所述用户设备和所述程控交换机中的另一个，所述用户设备所在的网络支持的协议为实时传输协议RTP，所述程控交换机所在的网络支持的协议为V5协议。
  9. 如权利要求8所述的装置，其特征在于，在所述用户设备发起呼叫时，所述转化单元具体用于在收到所述用户设备发送的RTP摘机报文时，将所述RTP摘机报文转化为V5摘机信令。
  10. 如权利要求8所述的装置，其特征在于，在所述用户设备为被叫时，所述转化单元具体用于在收到所述程控交换机发送的V5振铃消息时，将所 述V5振铃消息转化为RTP媒体流振铃消息；
    所述装置还包括：
    第二转化单元，用于在收到所述用户设备发送的RTP摘机报文时，将所述RTP摘机报文转化为V5摘机信令。
  11. 如权利要求8所述的装置，其特征在于，在所述用户设备发起补充业务时，所述第一转化单元具体用于在收到所述用户设备发送的RTP补充业务消息时，将所述RTP补充业务消息转化为V5补充业务消息。
  12. 如权利要求8所述的装置，其特征在于，在所述用户设备释放呼叫时，所述第一转化单元具体用于在收到所述用户设备发送的RTP挂机消息时，将所述RTP挂机消息转化为V5挂机消息。
  13. 如权利要求8-12中任一项所述的装置，其特征在于，所述装置为汇聚设备，所述转化单元由所述汇聚设备包括的E1芯片、中央处理器CPU和数字信号处理器DSP实现，所述第一转化单元具体用于所述CPU通过所述DSP接收所述用户设备发送的符合RTP协议的用户信令，并将所述符合RTP协议的用户信令转化为符合V5协议的V5信令，或者，所述CPU通过所述E1芯片接收所述程控交换机发送的符合V5协议的V5信令，并将所述V5信令转化为符合RTP协议的RTP信令。
  14. 如权利要求13所述的装置，其特征在于，所述装置还包括：
    确定单元，用于确定与所述程控交换机进行语音消息传输所需的所述E1芯片的时隙和所述DSP的时隙；
    第二发送单元，用于在确定的所述E1芯片的时隙和所述DSP的时隙上，通过所述E1和所述DSP传输所述用户设备和所述程控交换机之间的语音消息。
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