WO2013044631A1 - 融合呼叫方法及系统 - Google Patents

融合呼叫方法及系统 Download PDF

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Publication number
WO2013044631A1
WO2013044631A1 PCT/CN2012/075000 CN2012075000W WO2013044631A1 WO 2013044631 A1 WO2013044631 A1 WO 2013044631A1 CN 2012075000 W CN2012075000 W CN 2012075000W WO 2013044631 A1 WO2013044631 A1 WO 2013044631A1
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WO
WIPO (PCT)
Prior art keywords
network
voip
ims
call
ims network
Prior art date
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PCT/CN2012/075000
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English (en)
French (fr)
Inventor
高扬
穆凌江
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US14/348,102 priority Critical patent/US9313818B2/en
Priority to EP12835671.4A priority patent/EP2763464B1/en
Priority to ES12835671.4T priority patent/ES2635426T3/es
Publication of WO2013044631A1 publication Critical patent/WO2013044631A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/15Setup of multiple wireless link connections
    • H04W76/16Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
    • 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
    • H04L65/1066Session management
    • H04L65/1083In-session procedures
    • H04L65/1095Inter-network session transfer or sharing
    • 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
    • H04L61/10Mapping addresses of different types
    • H04L61/106Mapping addresses of different types across networks, e.g. mapping telephone numbers to data network addresses
    • 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
    • H04L65/10Architectures or entities
    • H04L65/1016IP multimedia subsystem [IMS]
    • 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
    • H04L65/10Architectures or entities
    • H04L65/102Gateways
    • H04L65/1023Media gateways
    • H04L65/103Media gateways in the network
    • 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
    • H04L65/1066Session management
    • H04L65/1069Session establishment or de-establishment
    • 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
    • H04L65/1066Session management
    • H04L65/1073Registration or de-registration
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/12Setup of transport tunnels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/18Management of setup rejection or failure

Definitions

  • the present invention relates to a converged calling technology, and in particular, to a converged calling method and system in which a non-IMS network and a VoIP network are integrated with each other.
  • the Internet Protocol Multimedia Subsystem is the future of multi-media communication and the most important component of next-generation networks. It is a subsystem supporting IP multimedia services proposed by the 3GPP (3GPP, Third Generation Partnership Project). Its distinctive feature is the use of the Session Initial Protocol (SIP) system. Communication is independent of access mode. It can have multiple multimedia service control functions and bearer separation, call and session separation, application and service separation, service and network separation, and mobile network and Internet service integration.
  • IP Session Initial Protocol
  • IMS provides a new form of multimedia service that provides users with more services and opens up new revenue streams for operators.
  • IMS multimedia services include Voice over Internet Protocol (VoIP), Presence, Push-to-Talk over Cellular (PoC), Instant Message (Video), VideoSharing (VideoSharing) , content sharing, and RichCall.
  • VoIP Voice over Internet Protocol
  • Presence Presence
  • PoC Push-to-Talk over Cellular
  • Video VideoSharing
  • content sharing and RichCall.
  • RichCall RichCall.
  • IMS can also provide services similar to the existing fixed exchange.
  • IMS can provide enterprise switchboard services, and inter-enterprise can realize short-number intercommunication; through IPConference server, IMS can provide conference call service. Enable mobile phones, PCs and traditional landlines to be dialed into the same system for conference calls.
  • IMS In the current industry context, mobile operators, fixed carriers, and mobile/fixed hybrid operators first have the possibility of mutual integration in roles, that is, mobile operators may become mobile/fixed hybrid operators and fixed carriers. May get a mobile operating license, etc., so telecom operations Businesses are in desperate need of a technology that combines mobile and fixed networks. IMS has such a feature. IMS is independent of the specific bearer type and can provide connection services for IMS services from voice to multimedia data for any IP channel. IMS also has interoperability with traditional networks, making IMS terminals and traditional The mobile terminal and the traditional fixed terminal can realize interworking.
  • the converged network will bring new business experiences to users. Users can obtain the same voice and multimedia services in the same way regardless of the access network and terminal equipment, achieving mobility and personalization compatibility.
  • IMS Internet management system
  • IMS Internet management system
  • IMS can provide services such as VoIP, instant messaging, and video chat. It can replace the Internet service and interoperate with it. Therefore, with IMS, facing Internet service providers, telecom operations. Businesses can have a variety of countermeasures. They can choose to create their own brands, compete with the Internet, and also achieve interoperability, or compete and cooperate.
  • VoIP applications like Skype and Google Voice are technically available through IMS, and IMS can fuse subscriber numbers of non-IMS networks to provide Internet-like connection sharing (ICS, Internet Connection). Sharing ), or a combination of calls, has a very strong competitive power.
  • the main object of the present invention is to provide a method and system for converging calls, which can provide a call service for a network in which a non-IMS network and a VoIP network are mutually integrated.
  • a non-IMS network interworking device is provided in a non-IMS network, and the non-IMS network is integrated with the VoIP network by using the non-IMS network interworking device; the method further includes: determining, by the non-IMS network When the called party of the received call request is a converged call user, the call request is forwarded to the VoIP network, and the called call is initiated through the VoIP network.
  • the non-IMS network is a CS domain network
  • the VoIP network is an IMS
  • the non-IMS network interworking device is an MGCF and/or an IM-MGW
  • the non-IMS network is a softswitch network
  • the VoIP network is an IP multimedia subsystem IMS
  • the non-IMS network interworking device is a softswitch device itself.
  • the forwarding the call request to the VoIP network is:
  • the non-IMS network converts the called forwarding number into a roaming number of the VoIP network according to the forwarding service subscribed by the called non-IMS network number, according to the roaming number of the VoIP network
  • the call request is forwarded to the VoIP network.
  • the forwarding the call request to the VoIP network is:
  • the non-IMS network triggers a service according to the changed number of the called non-IMS network number, and triggers the call request to the session control function entity SCF of the intelligent network, and the SCF forwards the call request to the VoIP network.
  • the initiating a call to the called party by using the VoIP network is:
  • the CSCF sends the call request to the application server AS;
  • the AS initiates a call to the called party according to a call convergence policy.
  • the SCF is a separate network element, or is set in combination with the AS.
  • the call convergence policy includes:
  • the VoIP terminal is preferentially called, and the VoIP terminal is called to the called non-IMS network terminal when the VoIP terminal is busy or unattended;
  • the called VoIP terminal and the non-IMS network terminal are called at the same time, and after receiving the response of one of the terminals, the other terminal is released.
  • the method further includes:
  • the VoIP terminal initiates a registration request to the CSCF, where the registration request carries current address information of the VoIP terminal;
  • the CSCF determines whether the address at which the VoIP terminal is located is an address that allows the VoIP terminal to register, and allows the VoIP terminal to register, otherwise rejects the VoIP terminal registration.
  • the method further includes:
  • the VoIP terminal initiates a registration request to the CSCF, and the CSCF forwards the registration request to the AS; wherein the registration request carries a current address of the VoIP terminal
  • the AS determines whether the address where the VoIP terminal is located is an address that allows the VoIP terminal to register, and allows the VoIP terminal to register, otherwise rejects the VoIP terminal registration.
  • the method further includes:
  • the VoIP terminal initiates an application request to the CSCF, and the CSCF forwards the application request to the AS; wherein the application request carries a current address of the VoIP terminal, and the AS determines the VoIP terminal Whether the address is an address that allows the VoIP terminal to register, and the VoIP terminal is allowed to register, otherwise the VoIP terminal is denied registration.
  • a fused network system in which a non-IMS network interworking device is provided, and the non-IMS network is fused with the VoIP network through the non-IMS network interworking device;
  • the non-IMS network configured to determine that the called party of the received call request is a converged call user, forward the call request to the VoIP network;
  • the VoIP network is configured to initiate a call to the called party.
  • the non-IMS network is a CS domain network
  • the VoIP network is an IMS
  • the non-IMS network interworking device is an MGCF and/or an IM-MGW
  • the non-IMS network is a softswitch network
  • the VoIP network is an IMS
  • the non-IMS network interworking device is a softswitch device itself.
  • the non-IMS network is further configured to convert the called forwarding number into a roaming number of the VoIP network according to the forwarding service subscribed by the called non-IMS network number, according to the The roaming number of the VoIP network forwards the call request to the VoIP network.
  • the non-IMS network is further configured to: trigger a service according to the changed number of the called non-IMS network number, trigger the call request to the SCF of the intelligent network, and the call request by the SCF Forwarded to the VoIP network.
  • the non-IMS network is further configured to send the call request to the CSCF of the VoIP network by using the non-IMS network interworking device;
  • the CSCF is further configured to send the call request to an AS;
  • the AS is further configured to initiate a call to the called party according to a call convergence policy.
  • the call convergence policy includes:
  • the VoIP terminal is preferentially called, and the VoIP terminal is called to the called non-IMS network terminal when the VoIP terminal is busy or unattended;
  • the called VoIP terminal and the non-IMS network terminal are simultaneously called, and after receiving the response of one of the terminals, the other terminal is released.
  • the non-IMS network user can use the non-IMS network to initiate the service to the user who has registered the converged service, and can be implemented through the VoIP network, thereby facilitating the user to select the service access.
  • the network reduces the cost of user calls.
  • the invention fully utilizes the service characteristics of the converged network, provides users with convenient service access implementation, and can also reduce service costs.
  • FIG. 1 is a flowchart of a converged call according to an embodiment of the present invention
  • FIG. 3 is a flowchart of registration authentication according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of application authentication according to an embodiment of the present invention.
  • FIG. 6 is a flow chart of a call of a migrating user using a unified access code according to an embodiment of the present invention. detailed description
  • the basic idea of the present invention is to integrate non-IMS network and VoIP network, non-IMS
  • a network user can use the non-IMS network to initiate a service to a user who has registered the converged service, the network user can implement the service through the VoIP network, thereby achieving the purpose of reducing the user's calling cost.
  • the VoIP network of the present invention may be an IMS network, an NGN, a softswitch network, etc., to achieve convergence with non-IMS networks (GSM networks and CDMA networks).
  • the user can decide when to use VoIP preferentially according to the policy, and when to use the non-IMS network call to initiate and receive the call. And through the control of the converged call, the above-mentioned strategy can be realized, as well as mechanisms such as parallel call, serial call, and no-answer forward.
  • the user When the user is in an environment that can access the WLAN, or is in a high-cost roaming place (such as international roaming), the user can preferentially use VoIP to initiate and receive calls, and through the control of the converged call, the call enters the non-IMS network and non-IMS.
  • the non-IMS network number of the user can be used.
  • the user has a user identifier (SIP URI or Tel URI) of IMS VoIP and a non-IMS network number (such as a GSM or CDMA mobile phone number), and the control of the converged call bundles the two numbers.
  • SIP URI or Tel URI user identifier
  • non-IMS network number such as a GSM or CDMA mobile phone number
  • the user can initiate the VoIP using IMS.
  • Call if the call is a non-IMS network local user, the call is routed by the IMS to the non-IMS network, and the calling number is set to the non-IMS network number of the calling party, and can be charged according to the local call, or according to the low tariff. Billing.
  • the call control may be integrated to transfer the call from the non-IMS network to the IMS (such as registering the forwarding service on the non-IMS network, or triggering through the intelligent network, and changing the number To IMS), and the IMS sends the call to the user's VoIP client.
  • the IMS registration of the converged call initiated by the user in the country will not be successful.
  • a user allowed in the country In the inter-roaming process, the converged call is used, and the call service of the converged call is not allowed in the country.
  • the IM Instance Message
  • the geographic location information may be judged according to the existing registration process, or the network element carrying the geographical location information may be extended in an existing message (registration, call, message, etc.), and considering security, Encrypt the registration request message to prevent user forgery.
  • FIG. 1 is a flowchart of a converged call according to an embodiment of the present invention. As shown in FIG. 1 , the flow of the convergence call in this example includes:
  • Step 1 Other users initiate a call request on the non-IMS network, and the called party in the call request is a non-IMS network number that fuses the calling user.
  • Step 2 The non-IMS network forwards the call request to the call session control function entity (CSCF, Call Session Control Function) of the VoIP network (such as IMS, NGN, softswitch, etc.) through the non-IMS network interworking device;
  • CS network when the VoIP network is IMS, the non-IMS network interworking device is MGCF, IP Multimedia Gateway (IM-MGW, IP Multimedia Media Gateway).
  • IM-MGW IP Multimedia Gateway
  • the non-IMS network is a softswitch network.
  • the non-IMS network interworking device can be the softswitch device itself.
  • the non-IMS network interworking device encapsulates the call request in the non-IMS network through the SIP message and sends it to the CSCF.
  • Step 3 The Call Session Control Function (CSCF, Call Session Control Function) sends the call to the Converged Call AS.
  • CSCF Call Session Control Function
  • Step 4 The converged call AS performs the call according to the VoIP terminal priority or non-IMS network terminal priority principle according to the stored converged call control policy; in this example, the call is made according to the VoIP terminal priority principle.
  • Step 5 the converged call AS calls the VoIP terminal; Step 6, the CSCF forwards the INVITE;
  • Step 7 When the branch of the priority call is unanswered or busy, the converged call AS calls the non-IMS network terminal.
  • Step 7 above is an optional step.
  • the non-IMS network forwards the call request to the VoIP network, and can be implemented in the following manner:
  • the contract forwarding service is implemented on the non-IMS network number of the converged calling user, such as the forwarding number signing IMS number ( Tel format), and the non-IMS network is
  • the CS Domain Roaming Number (CSRN) is converted into an IMS or IMS Domain Roaming Number (IMRN) by the Media Gateway Controller Function (MGCF).
  • MGCF Media Gateway Controller Function
  • the non-IMS network number of the converged calling user is triggered by the change of the number, triggering to the intelligent network SCF, and performing the renaming operation.
  • the SCF acts as a standalone device.
  • the non-IMS network number of the converged calling user is triggered by the change of the number, triggering to the intelligent network SCF, and performing the renaming operation.
  • the SCF is integrated with the converged call AS.
  • FIG. 2 is another flowchart of a converged call according to an embodiment of the present invention. As shown in FIG. 2, the process of the converged call in this example includes the following steps:
  • Step 1 The other user initiates a call request on the non-IMS network, and the called party in the call request is a non-IMS network number that fuses the calling user;
  • Step 2 The non-IMS network forwards the call to the CSCF of the VoIP network (such as IMS, NGN, softswitch, etc.); wherein, the non-IMS network is the CS network, and when the VoIP network is the IMS, the non-IMS network interworking device is the MGCF, IP multimedia. Gateway (IM-MGW, IP Multimedia Media Gateway).
  • the non-IMS network interworking device may be the softswitch device itself.
  • the non-IMS network interworking device encapsulates the call request in the non-IMS network by SIP message and sends it to the CSCF.
  • Step 3 the CSCF sends the call request to the converged call AS;
  • Step 4 The converged call AS calls the VoIP terminal and the non-IMS network terminal according to its own policy.
  • Step 5 When one of the terminals answers, for example, the VoIP terminal answers, send 200 OK to the converged call AS;
  • Step 6 the converged call AS sends 200 OK to the calling side and releases another call branch (such as the non-IMS network terminal in the figure).
  • FIG. 3 is a flowchart of registration authentication according to an embodiment of the present invention. As shown in FIG. 3, the registration authentication process of this example includes:
  • Step 1 The VoIP terminal (such as the IMS terminal of the IMS network) initiates registration with the CSCF (sends a registration request message to the CSCF), and the registration request message carries the current address of the VoIP terminal.
  • Step 2 the CSCF according to the current address of the VoIP terminal, The strategy of storing itself, deciding whether to accept the registration request;
  • Step 3 If the registration request is rejected, a failure response is sent to the VoIP terminal.
  • the current address information of the VoIP terminal may be carried by the contact address cell in the registration request message, or may be carried by a dedicated extension field; the address information may be encrypted.
  • the above policy may be: A registration request initiated from some address (or geographic location information corresponding to the address information) needs to be rejected.
  • the policy may also be that the VoIP terminal in the location area cannot be called out but can only be answered.
  • the present invention does not limit the setting of the policy, and can be set according to the requirements of the operator. 4 is a flowchart of registration authentication according to an embodiment of the present invention. As shown in FIG. 4, the registration authentication process of this example includes:
  • Step 1 The VoIP terminal (such as the IMS terminal of the IMS network) initiates registration with the CSCF (that is, sends a registration request message to the CSCF), and the registration request message carries the address information of the VoIP terminal;
  • Step 2 The CSCF sends a registration request message to the converged call AS, which carries the current address information of the VoIP terminal.
  • Step 3 The converged call AS decides whether to accept the request according to the current address information of the VoIP terminal and the policy stored by itself;
  • Step 4 If the registration request is rejected, the converged call AS sends a failure response to the CSCF; Step 5, the CSCF sends a failure response to the VoIP terminal.
  • the above strategy may be: A registration request initiated from some address (or geographic location information corresponding to the address information) needs to be rejected.
  • the policy may also be that the VoIP terminal in the location area cannot be called out but can only be answered.
  • the present invention does not limit the setting of the policy, and can be set according to the requirements of the operator.
  • FIG. 5 is a flowchart of application authentication according to an embodiment of the present invention.
  • the application authentication process in this example includes: Step 1: A VoIP terminal (such as an IMS terminal of an IMS network) initiates an application request to the CSCF to the CSCF. Sending an application request message, where the application request carries the current address information of the VoIP terminal;
  • Step 1 A VoIP terminal (such as an IMS terminal of an IMS network) initiates an application request to the CSCF to the CSCF.
  • Step 2 The CSCF sends an application request message to the converged call AS, which carries the current address information of the VoIP terminal.
  • Step 3 The converged call AS determines whether to accept the request according to the current address information of the VoIP terminal and its own policy; Step 4: If the registration request is rejected, the converged call AS sends a failure response to the CSCF. Step 5: The CSCF sends a failure response to the VoIP terminal.
  • the above policy may be: A registration request initiated from some address (or geographic location information corresponding to the address information) needs to be rejected.
  • the policy may also be that the VoIP terminal in the location area cannot be called out but can only be answered.
  • the present invention does not limit the setting of the policy, and can be set according to the requirements of the operator.
  • FIG. 6 is a flow chart of a call using a unified access code by a migrating user according to an embodiment of the present invention.
  • the call flow of the migrating user using the unified access code in this example includes:
  • Step 1 Other users initiate a call on the non-IMS network, and the call is called a non-IMS network number of the converged call user;
  • Step 2 The non-IMS network forwards the call to the CSCF of the VoIP network (such as IMS, NGN, softswitch, etc.) through the non-IMS network interworking device; the non-IMS network is the CS network, and when the VoIP network is the IMS, the non-IMS network interworking device is MGCF, IM-MGW.
  • the non-IMS network is a softswitch.
  • the VoIP network is IMS
  • the non-IMS network interworking device can be the softswitch device itself.
  • the CSRN is provided as a forwarding number for each converged calling user.
  • the forwarding number here can be a unified access code.
  • the access code corresponds to the PSI of the fused call AS.
  • Step 3 the CSCF sends the call request to the converged call AS;
  • Step 4 Converged Call
  • the AS receives the call request, and according to the original called number, it can correspond to the VoIP number and non-IMS network number of the calling subscriber.
  • Step 5 The subsequent merged call process is the same as the process shown in Figure 1 and Figure 2 above, and will not be described here.
  • the invention also describes a converged calling system, which is applied to a network in which a non-IMS network and a VoIP network are fused, wherein the non-IMS network is provided with a non-IMS network interworking device, and the non-IMS network passes The non-IMS network interworking device is integrated with the VoIP network;
  • the non-IMS network configured to determine that the called party of the received call request is a converged call user, forward the call request to the VoIP network;
  • the VoIP network is configured to initiate a call to the called party.
  • the non-IMS network is a CS domain network, and when the VoIP network is an IMS, the non-IMS network interworking device is an MGCF and/or an IM-MGW;
  • the non-IMS network is a softswitch network
  • the VoIP network is an IMS
  • the non-IMS network interworking device is a softswitch device itself.
  • the non-IMS network is further configured to convert the called forwarding number into a roaming number of the VoIP network according to the forwarding service subscribed by the called non-IMS network number, according to the VoIP network.
  • the roaming number forwards the call request to the VoIP network.
  • non-IMS network is further configured to: trigger a service according to the changed number of the called non-IMS network number, trigger the call request to the SCF of the intelligent network, and forward, by the SCF, the call request. To the VoIP network.
  • the non-IMS network is further configured to: send the call request to a CSCF of the VoIP network; the CSCF is further configured to: send the call request to an AS;
  • the AS is further configured to initiate a call to the called party according to a call convergence policy.
  • the call convergence policy includes: preferentially calling the called VoIP terminal;
  • the VoIP terminal is preferentially called, and the VoIP terminal is called to the called non-IMS network terminal when the VoIP terminal is busy or unattended;
  • the called VoIP terminal and the non-IMS network terminal are called at the same time, and after receiving the response of one of the terminals, the other terminal is released.
  • the VoIP terminal initiates a registration request to the CSCF, where the registration request carries current address information of the VoIP terminal;
  • the CSCF determines whether the address where the VoIP terminal is located is an address that allows the VoIP terminal to register, and allows the VoIP terminal to register, otherwise rejects the VoIP terminal registration.
  • the VoIP terminal initiates a registration request to the CSCF, and the CSCF forwards the registration request to the AS; wherein the registration request carries current address information of the VoIP terminal;
  • the AS determines whether the address where the VoIP terminal is located is an address that allows the VoIP terminal to register, and allows the VoIP terminal to register, otherwise rejects the VoIP terminal registration.
  • the VoIP terminal initiates an application request to the CSCF, and the CSCF forwards the application request to the AS; wherein the application request carries a current address of the VoIP terminal, and the AS determines the VoIP terminal Whether the address is an address that allows the VoIP terminal to register, and the VoIP terminal is allowed to register, otherwise the VoIP terminal is denied registration.
  • the non-IMS network and the VoIP network are mutually fused.
  • the VoIP network can be implemented, thereby facilitating the user to select the service access.
  • the network reduces the cost of user calls.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
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Abstract

本发明公开了一种融合呼叫方法,其中,非网际协议多媒体子系统(IMS)网中设置有非IMS网互通设备,所述非IMS网通过所述非IMS网互通设备与网络电话(VoIP)网络融合;所述方法还包括:所述非IMS网互通设备确定接收到的呼叫请求的被叫为融合呼叫用户时,将所述呼叫请求转发到所述VoIP网络,通过所述VoIP网络发起对所述被叫的呼叫。本发明同时公开了一种实现上述方法的融合呼叫系统。本发明充分利用了融合网络的业务特点,为用户提供了便利的业务接入实现,也能降低业务费用。

Description

融合呼叫方法及系统 技术领域
本发明涉及融合呼叫技术,尤其涉及一种非 IMS网与 VoIP网相互融合 的融合呼叫方法及系统。 背景技术
网际协议多媒体子系统( IMS , IP Multimedia Subsystem )是未来多媒 体通信的发展方向, 也是下一代网络最为重要的组成部分。 它是第三代合 作伙伴计划 ( 3GPP, Third Generation Partnership Project )提出的支持 IP多 媒体业务的子系统,其显著特征是采用了会话初始协议(SIP, Session Initial Protocol )体系, 通信与接入方式无关, 可以具备多种多媒体业务控制功能 与承载能力分离、 呼叫与会话分离、 应用与服务分离、 业务与网络分离, 以及移动网与因特网业务融合等多种能力。
IMS 提供了全新的多媒体业务形式, 为用户提供了更多的服务, 为运 营商开拓了新的收入来源。 IMS的多媒体业务包括网络电话(VoIP, Voice over Internet Protocol )、在线状态( Presence )、无线一键通( PoC, Push-to-Talk over Cellular )、 即时消息( InstantMessage )、视频共享业务 ( VideoSharing )、 内容共享以及 RichCall等。 另外在企业固定环境下, IMS也能提供类似现 有固定交换的业务,比如通过 IPCentrex服务器, IMS能提供企业总机业务, 企业内部可以实现短号互通; 通过 IPConference服务器, IMS能提供会议 电话业务, 使手机、 PC及传统座机可以拨入同一个系统, 实现电话会议。
在当前的行业背景下, 移动运营商、 固定运营商、 移动 /固定混合的 运营商首先在角色上存在互相融合的可能, 即移动运营商可能变成移动 / 固定混合的运营商、 固定运营商可能获得移动运营牌照等, 因此电信运营 商都迫切需要一种技术, 将移动网络和固定网络融合在一起。 而 IMS恰恰 具备这样的特性, IMS独立于具体的承载类型, 可以为任意的 IP通道提供 从语音到多媒体数据等 IMS业务的接续服务; IMS还具备与传统网络的互 通能力,使 IMS终端与传统的移动终端、传统的固定终端间可以实现互通。
融合的网络将给用户带来新的业务体验, 无论接入网和终端设备如何, 用户都能够以相同的方式获得同样的语音和多媒体服务, 实现了移动性和 个性化的兼容。
目前很多知名的互联网服务商通过提供用户到用户间的通信服务获得 了很大成功,如 MSN、 QQ、 Skype等,提供的服务主要有 VoIP、 即时通信、 视频聊天等。 这些应用对现有电信运营商的语音、 信息业务显然造成了很 大沖击, 而同时如果将这些互联网应用移植到移动终端上, 对于电信运营 商又是个新的业务机会。而 IMS就提供了这种技术手段, IMS能提供 VoIP、 即时通信、 视频聊天等业务, 既可以替代上述互联网服务, 也可以与之进 行互通, 所以有了 IMS, 面对互联网服务商, 电信运营商可以有多种应对 措施, 可以选择创建自己的品牌, 与互联网展开全面竟争, 也可以实现互 通合作, 或者既竟争又合作。
从与互联网竟争的角度, 在用户处于可以接入无线局域网络(WLAN, Wireless Local Area Network )的环境中时, 以及处于高资费漫游地(如国际 漫游)时, 用户更倾向于使用 Skype、 Google Voice—类的 VoIP, 而不是使 用传统电话。
从电信网的角度, 类似 Skype、 Google Voice—类的 VoIP应用, 从技 术上而言通过 IMS是可以提供的,并且 IMS可以融合非 IMS网的用户号码, 提供类似因特网连接共享 (ICS, Internet Connection Sharing ), 或融合呼叫 等方式, 具有相当强大的竟争力。
但是对接入有带宽要求, 如需要 3G、 长期演进(LTE, Long Term Evolution )或 WLAN的接入, 对于 2.5G的数据接入则无法支持其语音、 视频的要求。 所以考虑到用户移动的情况, 需要提供一种 2G语音的补充, 如 ICS。 同时,对于日常有 WLAN接入的情况,如家庭、办公区等的 WLAN 接入, 需要对接入位置 (地理位置)设置策略, 如不允许注册、 允许注册 但不允许某些应用 (如呼叫)等。
对于新兴的运营商, 虽然部署了类似 IMS、 下一代网络(NGN, Next Generation Network )等先进网络, 但是缺少非 IMS网号段资源, 导致与非 IMS网互通存在瓶颈。 发明内容
有鉴于此, 本发明的主要目的在于提供一种融合呼叫方法及系统, 能 为非 IMS网与 VoIP网相互融合的网络提供呼叫业务。
为达到上述目的, 本发明的技术方案是这样实现的:
一种融合呼叫方法,非 IMS网中设置有非 IMS网互通设备,所述非 IMS 网通过所述非 IMS网互通设备与所述 VoIP网络融合; 所述方法还包括: 所述非 IMS网确定接收到的呼叫请求的被叫为融合呼叫用户时, 将所 述呼叫请求转发到所述 VoIP网络, 通过所述 VoIP网络发起对所述被叫的 呼叫。
优选地, 所述非 IMS网为 CS域网络, 所述 VoIP网络为 IMS时, 所述 非 IMS网互通设备为 MGCF和 /或 IM-MGW;
或者, 所述非 IMS网为软交换网络, 所述 VoIP网络为 IP多媒体子系 统 IMS时, 所述非 IMS网互通设备为软交换设备本身。
优选地, 所述将所述呼叫请求转发到所述 VoIP网络, 为:
所述非 IMS网根据所述被叫的非 IMS网号码签约的前转业务, 将所述 被叫的前转号码转换为所述 VoIP网络的漫游号码, 根据所述 VoIP网络的 漫游号码将所述呼叫请求转发到所述 VoIP网络。 或者, 所述将所述呼叫请求转发到所述 VoIP网络, 为:
所述非 IMS网根据所述被叫的非 IMS网号码签约的改号触发业务, 将 所述呼叫请求触发到智能网的会话控制功能实体 SCF, 由所述 SCF将所述 呼叫请求转发到所述 VoIP网络。
优选地, 所述通过所述 VoIP网络发起对所述被叫的呼叫, 为:
VoIP网络的呼叫会话控制功能实体 CSCF;
所述 CSCF将所述呼叫请求发送到应用服务器 AS;
所述 AS根据呼叫融合策略, 发起对所述被叫的呼叫。
优选地, 所述 SCF为单独网元, 或与所述 AS合一设置。
优选地, 所述呼叫融合策略包括:
优先呼叫所述被叫的 VoIP终端;
或者, 优先呼叫 VoIP终端, 所述 VoIP终端忙或无人接听时转呼所述 被叫的非 IMS网终端;
或者, 同时呼叫所述被叫的 VoIP终端和非 IMS网终端, 并在接收到其 中一路终端的应答后, 释放另一路终端。
优选地, 所述方法还包括:
VoIP 终端向所述 CSCF发起注册请求, 所述注册请求中携带有所述 VoIP终端的当前地址信息;
所述 CSCF确定所述 VoIP终端所处的地址是否为允许所述 VoIP终端 注册的地址, 是时允许所述 VoIP终端注册, 否则拒绝所述 VoIP终端注册。
优选地, 所述方法还包括:
VoIP终端向所述 CSCF发起注册请求, 所述 CSCF将所述注册请求转 发给所述 AS; 其中, 所述注册请求中携带有所述 VoIP终端的当前地址信 所述 AS确定所述 VoIP终端所处的地址是否为允许所述 VoIP终端注册 的地址, 是时允许所述 VoIP终端注册, 否则拒绝所述 VoIP终端注册。
优选地, 所述方法还包括:
VoIP终端向所述 CSCF发起应用请求, 所述 CSCF将所述应用请求转 发给所述 AS; 其中, 所述应用请求中携带有所述 VoIP终端的当前地址信 所述 AS确定所述 VoIP终端所处的地址是否为允许所述 VoIP终端注册 的地址, 是时允许所述 VoIP终端注册, 否则拒绝所述 VoIP终端注册。
一种融合呼叫系统,非 IMS网中设置有非 IMS网互通设备,所述非 IMS 网通过所述非 IMS网互通设备与所述 VoIP网络融合; 其中,
所述非 IMS网,用于确定接收到的呼叫请求的被叫为融合呼叫用户时, 将所述呼叫请求转发到所述 VoIP网络;
所述 VoIP网络, 用于发起对所述被叫的呼叫。
优选地, 所述非 IMS网为 CS域网络, 所述 VoIP网络为 IMS时, 所述 非 IMS网互通设备为 MGCF和 /或 IM-MGW;
或者, 所述非 IMS网为软交换网络, 所述 VoIP网络为 IMS时, 所述 非 IMS网互通设备为软交换设备本身。
优选地, 所述非 IMS网还用于, 根据所述被叫的非 IMS网号码签约的 前转业务, 将所述被叫的前转号码转换为所述 VoIP网络的漫游号码, 根据 所述 VoIP网络的漫游号码将所述呼叫请求转发到所述 VoIP网络。
优选地, 所述非 IMS网还用于, 根据所述被叫的非 IMS网号码签约的 改号触发业务, 将所述呼叫请求触发到智能网的 SCF, 由所述 SCF将所述 呼叫请求转发到所述 VoIP网络。
优选地, 所述非 IMS网还用于, 通过所述非 IMS网互通设备将所述呼 叫请求发送到所述 VoIP网络的 CSCF; 所述 CSCF还用于, 将所述呼叫请求发送到 AS;
所述 AS还用于, 根据呼叫融合策略, 发起对所述被叫的呼叫。
优选地, 所述呼叫融合策略包括:
优先呼叫所述被叫的 VoIP终端;
或者, 优先呼叫 VoIP终端, 所述 VoIP终端忙或无人接听时转呼所述 被叫的非 IMS网终端;
同时呼叫所述被叫的 VoIP终端和非 IMS网终端,并在接收到其中一路 终端的应答后, 释放另一路终端。
本发明中, 通过将非 IMS网与 VoIP网相互融合, 非 IMS网用户可以 利用非 IMS网向注册了融合业务的用户发起业务时,可以通过 VoIP网实现, 从而方便了用户选择业务接入的网络, 降低了用户呼叫费用。 当然, 也可 以根据业务策略需求, 优先使用 VoIP 网实现业务接入, 或者, 根据 VoIP 终端所处地理位置, 限制用户通过 VoIP网实现业务等。 本发明充分利用了 融合网络的业务特点, 为用户提供了便利的业务接入实现, 也能降低业务 费用。 附图说明
图 1为本发明实施例的融合呼叫的流程图;
图 2为本发明实施例的融合呼叫的另一流程图;
图 3为本发明实施例的注册认证的流程图;
图 4为本发明实施例的注册认证的另一流程图;
图 5为本发明实施例的应用认证的流程图;
图 6为本发明实施例的迁移用户使用统一接入码的呼叫流程图。 具体实施方式
本发明的基本思想是, 通过将非 IMS 网与 VoIP网相互融合, 非 IMS 网用户可以利用非 IMS网向注册了融合业务的用户发起业务时, 可以通过 VoIP网实现, 从而实现降低用户呼叫费用的目的。
本发明的 VoIP网络可以是 IMS 网络、 NGN、 软交换网络等, 实现与 非 IMS网 ( GSM网络以及 CDMA网络 )呼叫的融合。 本发明中, 用户可 以根据策略, 决定在何时优先使用 VoIP, 何时使用非 IMS网呼叫发起、 接 听呼叫。 并且通过融合呼叫的控制, 可以实现上述的策略, 以及并行呼叫、 串行呼叫、 无应答前转等机制。
用户在处于可以接入 WLAN的环境中时,或者,处于高资费漫游地(如 国际漫游) 时, 可以优先使用 VoIP发起、 接听呼叫, 并且通过融合呼叫的 控制, 呼叫进入非 IMS网以及非 IMS网用户呼叫所述用户, 都可以使用所 述用户的非 IMS网号码。
所述用户具有 IMS VoIP的用户标识( SIP URI或 Tel URI )和非 IMS 网号码(如 GSM或 CDMA手机号码), 融合呼叫的控制将两个号码捆绑, 用户出国后, 可以使用 IMS的 VoIP发起呼叫, 如果呼叫的是非 IMS网本 地用户, 由 IMS将呼叫路由到非 IMS网, 并将主叫号码设置为所属主叫用 户的非 IMS网号码, 并且可以按照本地呼叫计费, 或按照低资费计费。 如 果是非 IMS网其他用户呼叫所述用户的非 IMS网号码,可以融合呼叫控制, 将呼叫从非 IMS网转到 IMS (如在非 IMS网登记前转业务, 或通过智能网 触发, 并改号到 IMS ), 并由 IMS将呼叫送到所述用户的 VoIP客户端。
本发明中, 对于资费、 管理策略等原因, 需要限制某些用户从某些地 方 (地理位置)使用融合呼叫, 或融合呼叫中的部分功能。 所以对于融合 呼叫的注册、 或融合呼叫的某些应用的请求, 需要有认证过程, 对于不满 足要求的注册、 应用请求, 可以拒绝。
如某用户, 允许在国际漫游过程中使用融合呼叫, 在国内不允许, 则 用户在国内发起的融合呼叫的 IMS注册将不成功。 或者某用户, 允许在国 际漫游过程中使用融合呼叫, 在国内不允许使用融合呼叫的呼叫业务, 但 是允许使用 IM ( Instance Message )业务的情况, 则不允许在国内呼叫, 但 可以注册、 IM。
对于认证的过程, 可以依据现有的注册流程, 判断地理位置信息, 或 者在现有的消息(注册、 呼叫、 Message等) 中扩展 载地理位置信息的网 元等, 并且考虑到安全性, 可以对注册请求消息进行加密, 防止用户伪造。
图 1为本发明实施例的融合呼叫的流程图, 如图 1所示, 本示例的融 合呼叫的流程包括:
步驟 1 , 其它用户在非 IMS 网发起呼叫请求, 呼叫请求中的被叫为融 合呼叫用户的非 IMS网号码。
步驟 2,非 IMS网通过非 IMS网互通设备将呼叫请求转发到 VoIP网络 (如 IMS、 NGN、软交换等)的呼叫会话控制功能实体(CSCF, Call Session Control Function ); 其中, 非 IMS网为 CS网络, VoIP网络为 IMS时, 非 IMS网互通设备是 MGCF、 IP多媒体网关(IM-MGW, IP Multimedia Media Gateway )。 非 IMS网为软交换网络, VoIP网络为 IMS时, 非 IMS网互通 设备可以是软交换设备自身。
非 IMS网互通设备将非 IMS网中的呼叫请求通过 SIP消息封装, 发送 给 CSCF。
步驟 3 , 呼叫会话控制功能实体( CSCF, Call Session Control Function ) 将呼叫送到融合呼叫 AS。
步驟 4, 融合呼叫 AS根据自身存储的融合呼叫控制策略, 按 VoIP终 端优先或非 IMS网终端优先原则进行呼叫;本示例中按 VoIP终端优先原则 进行呼叫。
步驟 5, 融合呼叫 AS呼叫 VoIP终端; 步驟 6, CSCF转发 INVITE;
步驟 7, 当优先呼叫的分支无应答或遇忙时, 融合呼叫 AS呼叫非 IMS 网终端。
该步驟中,在呼叫非 IMS网终端过程中,需要经过非 IMS网互通设备。 上述步驟 7为可选步驟。
上述非 IMS网将呼叫请求转发到 VoIP网络, 可以通过以下方式实现: 融合呼叫用户的非 IMS网号码上签约前转业务实现, 如前转号码签约 IMS号码( Tel格式), 在非 IMS网为 CS域漫游号码( CSRN, CS Domain Roaming Number ) , 由媒体网关控制功能实体 ( MGCF , Media Gateway Controller Function )转换为 IMS或漫游号码 ( IMRN, IMS Domain Roaming Number ) IMRN。
或者, 融合呼叫用户的非 IMS 网号码签约改号触发, 触发到智能网 SCF, 并进行改号操作。 其中, SCF作为独立设备。
或者, 融合呼叫用户的非 IMS 网号码签约改号触发, 触发到智能网 SCF, 并进行改号操作。 其中, SCF与融合呼叫 AS合一设置。
图 2为本发明实施例的融合呼叫的另一流程图, 如图 2所示, 本示例 的融合呼叫的流程包括以下步驟:
步驟 1 , 其它用户在非 IMS 网发起呼叫请求, 呼叫请求中的被叫为融 合呼叫用户的非 IMS网号码;
步驟 2, 非 IMS网将呼叫转发到 VoIP网络(如 IMS、 NGN、软交换等 ) 的 CSCF; 其中, 非 IMS网为 CS网络, VoIP网络为 IMS时, 非 IMS网互 通设备是 MGCF, IP多媒体网关( IM-MGW, IP Multimedia Media Gateway )。 非 IMS网为软交换网络, VoIP网络为 IMS时, 非 IMS网互通设备可以是 软交换设备自身。 非 IMS网互通设备将非 IMS网中的呼叫请求通过 SIP消息封装, 发送 给 CSCF。
步驟 3 , CSCF将呼叫请求送到融合呼叫 AS;
步驟 4, 融合呼叫 AS根据自身的策略, 并呼 VoIP终端和非 IMS网终 端。
步驟 5, 当其中一个终端应答, 如 VoIP终端应答, 发送 200OK到融合 呼叫 AS;
步驟 6,融合呼叫 AS向主叫侧发送 200OK,并释放另一路呼叫分支(如 图中的非 IMS网终端)。
图 3为本发明实施例的注册认证的流程图, 如图 3所示, 本示例的注 册认证流程包括:
步驟 1 , VoIP终端(如 IMS网络的 IMS终端), 向 CSCF发起注册(向 CSCF发送注册请求消息),注册请求消息中携带有 VoIP终端当前的地址信 步驟 2, CSCF根据 VoIP终端当前的地址, 自身存储的策略, 决定是 否接受注册请求;
步驟 3, 如果拒绝注册请求, 向 VoIP终端发送失败响应。
需要强调的是, VoIP终端当前的地址信息可以由注册请求消息中的联 系地址信元承载, 也可以通过专用的扩展字段承载; 所述地址信息可以加 密。
上述的策略可以是: 从某些地址(或根据地址信息对应的地理位置信 息)发起的注册请求需要拒绝。 当然, 策略还可以为,设定位置区域的 VoIP 终端不能呼出而只能接听等, 本发明不限定策略的设置, 可根据运营商需 求而设置。 图 4为本发明实施例的注册认证的流程图, 如图 4所示, 本示例的注 册认证流程包括:
步驟 1 , VoIP终端(如 IMS网络的 IMS终端), 向 CSCF发起注册(即 向 CSCF发送注册请求消息), 注册请求消息中携带有 VoIP终端的地址信 息;
步驟 2, CSCF向融合呼叫 AS发送注册请求消息, 携带有 VoIP终端当 前的地址信息;
步驟 3, 融合呼叫 AS根据 VoIP终端当前的地址信息、 自身存储的策 略, 决定是否接受请求;
步驟 4, 如果拒绝注册请求, 融合呼叫 AS 向 CSCF发送失败响应; 步驟 5, CSCF 向 VoIP终端发送失败响应。
需要强调的是, 上述的策略可以是: 从某些地址(或根据地址信息对 应的地理位置信息)发起的注册请求需要拒绝。 当然, 策略还可以为, 设 定位置区域的 VoIP终端不能呼出而只能接听等,本发明不限定策略的设置, 可根据运营商需求而设置。
图 5为本发明实施例的应用认证的流程图, 如图 5所示, 本示例的应 用认证流程包括: 步驟 1 , VoIP终端 (如 IMS网络的 IMS终端), 向 CSCF发起应用请 求即向 CSCF发送应用请求消息), 应用请求中携带有 VoIP终端当前的地 址信息;
步驟 2 , CSCF向融合呼叫 AS发送应用请求消息, 携带有 VoIP终端当 前的地址信息;
步驟 3, 融合呼叫 AS根据有 VoIP终端当前的地址信息、 自身的策略, 决定是否接受请求; 步驟 4, 如果拒绝注册请求, 融合呼叫 AS向 CSCF发送失败响应; 步驟 5 , CSCF向 VoIP终端发送失败响应。
上述的策略可以是: 从某些地址(或根据地址信息对应的地理位置信 息)发起的注册请求需要拒绝。 当然, 策略还可以为,设定位置区域的 VoIP 终端不能呼出而只能接听等, 本发明不限定策略的设置, 可根据运营商需 求而设置。
图 6为本发明实施例的迁移用户使用统一接入码的呼叫流程图,如图 6 所示, 本示例的迁移用户使用统一接入码的呼叫流程包括:
步驟 1 , 其它用户在非 IMS网发起呼叫, 呼叫被叫为融合呼叫用户的 非 IMS网号码;
步驟 2, 非 IMS网通过非 IMS网互通设备将呼叫转发到 VoIP网络(如 IMS, NGN、 软交换等 )的 CSCF; 非 IMS网为 CS网络, VoIP网络为 IMS 时, 非 IMS 网互通设备是 MGCF、 IM-MGW。 非 IMS 网为软交换, VoIP 网络为 IMS时, 非 IMS网互通设备可以是软交换设备自身。 当 VoIP网络 无法提供足够多的 CSRN号码, 为每一个融合呼叫用户提供 CSRN作为前 转号码, 此处的前转号码可以是一个统一的接入码。 该接入码对应融合呼 叫 AS的 PSI。
步驟 3 , CSCF将呼叫请求送到融合呼叫 AS;
步驟 4, 融合呼叫 AS收到呼叫请求, 根据原始被叫号码, 可以对应融 合呼叫用户的 VoIP号码、 非 IMS网号码。
步驟 5, 后续融合呼叫流程, 与前述图 1以及图 2所示的流程相同, 这 里不再赘述。
本发明还记载了一种融合呼叫系统,应用于非 IMS网与 VoIP网络融合 的网络中,所述非 IMS网中设置有非 IMS网互通设备,所述非 IMS网通过 所述非 IMS网互通设备与所述 VoIP网络融合; 其中,
所述非 IMS网,用于确定接收到的呼叫请求的被叫为融合呼叫用户时, 将所述呼叫请求转发到所述 VoIP网络;
所述 VoIP网络, 用于发起对所述被叫的呼叫。
所述非 IMS网为 CS域网络, 所述 VoIP网络为 IMS时, 所述非 IMS 网互通设备为 MGCF和 /或 IM-MGW;
或者, 所述非 IMS网为软交换网络, 所述 VoIP网络为 IMS时, 所述 非 IMS网互通设备为软交换设备本身。
所述非 IMS网还用于,根据所述被叫的非 IMS网号码签约的前转业务, 将所述被叫的前转号码转换为所述 VoIP 网络的漫游号码, 根据所述 VoIP 网络的漫游号码将所述呼叫请求转发到所述 VoIP网络。
或者, 所述非 IMS网还用于, 根据所述被叫的非 IMS网号码签约的改 号触发业务, 将所述呼叫请求触发到智能网的 SCF, 由所述 SCF将所述呼 叫请求转发到所述 VoIP网络。
所述非 IMS网还用于,将所述呼叫请求发送到所述 VoIP网络的 CSCF; 所述 CSCF还用于, 将所述呼叫请求发送到 AS;
所述 AS还用于, 根据呼叫融合策略, 发起对所述被叫的呼叫。
所述呼叫融合策略包括: 优先呼叫所述被叫的 VoIP终端;
或者, 优先呼叫 VoIP终端, 所述 VoIP终端忙或无人接听时转呼所述 被叫的非 IMS网终端;
或者, 同时呼叫所述被叫的 VoIP终端和非 IMS网终端, 并在接收到其 中一路终端的应答后, 释放另一路终端。
VoIP 终端向所述 CSCF发起注册请求, 所述注册请求中携带有所述 VoIP终端的当前地址信息; 所述 CSCF确定所述 VoIP终端所处的地址是否为允许所述 VoIP终端 注册的地址, 是时允许所述 VoIP终端注册, 否则拒绝所述 VoIP终端注册。
或者, VoIP终端向所述 CSCF发起注册请求, 所述 CSCF将所述注册 请求转发给所述 AS; 其中, 所述注册请求中携带有所述 VoIP终端的当前 地址信息;
所述 AS确定所述 VoIP终端所处的地址是否为允许所述 VoIP终端注册 的地址, 是时允许所述 VoIP终端注册, 否则拒绝所述 VoIP终端注册。
VoIP终端向所述 CSCF发起应用请求, 所述 CSCF将所述应用请求转 发给所述 AS; 其中, 所述应用请求中携带有所述 VoIP终端的当前地址信 所述 AS确定所述 VoIP终端所处的地址是否为允许所述 VoIP终端注册 的地址, 是时允许所述 VoIP终端注册, 否则拒绝所述 VoIP终端注册。
以上所述, 仅为本发明的较佳实施例而已, 并非用于限定本发明的保 护范围。
工业实用性
本发明实施例通过将非 IMS网与 VoIP网相互融合, 非 IMS网用户可 以利用非 IMS网向注册了融合业务的用户发起业务时,可以通过 VoIP网实 现, 从而方便了用户选择业务接入的网络, 降低了用户呼叫费用。

Claims

权利要求书
1、 一种融合呼叫方法, 其中, 非 IP多媒体子系统 IMS网中设置有非 IMS网互通设备, 所述非 IMS网通过所述非 IMS网互通设备与所述 VoIP 网络融合; 所述方法还包括:
所述非 IMS网确定接收到的呼叫请求的被叫为融合呼叫用户时, 将所 述呼叫请求转发到所述 VoIP网络, 通过所述 VoIP网络发起对所述被叫的 呼叫。
2、 根据权利要求 1所述的方法, 其中, 所述非 IMS网为电路交换 CS 域网络, 所述 VoIP网络为 IP多媒体子系统 IMS时, 所述非 IMS网互通设 备为媒体网关控制功能实体 MGCF和 /或 IP多媒体网关 IM-MGW;
或者, 所述非 IMS网为软交换网络, 所述 VoIP网络为 IP多媒体子系 统 IMS时, 所述非 IMS网互通设备为软交换设备本身。
3、 根据权利要求 2所述的方法, 其中, 所述将所述呼叫请求转发到所 述 VoIP网络, 为:
所述非 IMS网根据所述被叫的非 IMS网号码签约的前转业务, 将所述 被叫的前转号码转换为所述 VoIP网络的漫游号码, 根据所述 VoIP网络的 漫游号码将所述呼叫请求转发到所述 VoIP网络。
4、 根据权利要求 2所述的方法, 其中, 所述将所述呼叫请求转发到所 述 VoIP网络, 为:
所述非 IMS网根据所述被叫的非 IMS网号码签约的改号触发业务, 将 所述呼叫请求触发到智能网的会话控制功能实体 SCF, 由所述 SCF将所述 呼叫请求转发到所述 VoIP网络。
5、 根据权利要求 1至 4任一项所述的方法, 其中, 所述通过所述 VoIP 网络发起对所述被叫的呼叫, 为: VoIP网络的呼叫会话控制功能实体 CSCF;
所述 CSCF将所述呼叫请求发送到应用服务器 AS;
所述 AS根据呼叫融合策略, 发起对所述被叫的呼叫。
6、 根据权利要求 5所述的方法, 其中, 所述 SCF为单独网元, 或与所 述 AS合一设置。
7、 根据权利要求 5所述的方法, 其中, 所述呼叫融合策略包括: 优先呼叫所述被叫的 VoIP终端;
或者, 优先呼叫 VoIP终端, 所述 VoIP终端忙或无人接听时转呼所述 被叫的非 IMS网终端;
或者, 同时呼叫所述被叫的 VoIP终端和非 IMS网终端, 并在接收到其 中一路终端的应答后, 释放另一路终端。
8、 根据权利要求 1至 7任一项所述的方法, 其中, 所述方法还包括: VoIP 终端向所述 CSCF发起注册请求, 所述注册请求中携带有所述
VoIP终端的当前地址信息;
所述 CSCF确定所述 VoIP终端所处的地址是否为允许所述 VoIP终端 注册的地址, 是时允许所述 VoIP终端注册, 否则拒绝所述 VoIP终端注册。
9、 根据权利要求 1至 7任一项所述的方法, 其中, 所述方法还包括: VoIP终端向所述 CSCF发起注册请求, 所述 CSCF将所述注册请求转 发给所述 AS; 其中, 所述注册请求中携带有所述 VoIP终端的当前地址信 所述 AS确定所述 VoIP终端所处的地址是否为允许所述 VoIP终端注册 的地址, 是时允许所述 VoIP终端注册, 否则拒绝所述 VoIP终端注册。
10、 根据权利要求 1至 9任一项所述的方法, 其中, 所述方法还包括: VoIP终端向所述 CSCF发起应用请求, 所述 CSCF将所述应用请求转 发给所述 AS; 其中, 所述应用请求中携带有所述 VoIP终端的当前地址信 所述 AS确定所述 VoIP终端所处的地址是否为允许所述 VoIP终端注册 的地址, 是时允许所述 VoIP终端注册, 否则拒绝所述 VoIP终端注册。
11、 一种融合呼叫系统, 非 IMS网中设置有非 IMS网互通设备, 所述 非 IMS网通过所述非 IMS网互通设备与所述 VoIP网络融合; 其中,
所述非 IMS网,用于确定接收到的呼叫请求的被叫为融合呼叫用户时, 将所述呼叫请求转发到所述 VoIP网络;
所述 VoIP网络, 用于发起对所述被叫的呼叫。
12、根据权利要求 11所述的系统, 其中, 所述非 IMS网为 CS域网络, 所述 VoIP网络为 IMS时 ,所述非 IMS网互通设备为 MGCF和 /或 IM-MGW; 或者, 所述非 IMS网为软交换网络, 所述 VoIP网络为 IMS时, 所述 非 IMS网互通设备为软交换设备本身。
13、 根据权利要求 12所述的系统, 其中,
所述非 IMS网还用于,根据所述被叫的非 IMS网号码签约的前转业务, 将所述被叫的前转号码转换为所述 VoIP 网络的漫游号码, 根据所述 VoIP 网络的漫游号码将所述呼叫请求转发到所述 VoIP网络。
14、 根据权利要求 12所述的系统, 其中,
所述非 IMS网还用于, 根据所述被叫的非 IMS网号码签约的改号触发 业务, 将所述呼叫请求触发到智能网的 SCF, 由所述 SCF将所述呼叫请求 转发到所述 VoIP网络。
15、 根据权利要求 11至 14任一项所述的系统, 其中,
所述非 IMS网还用于, 通过所述非 IMS网互通设备将所述呼叫请求发 送到所述 VoIP网络的 CSCF;
所述 CSCF还用于, 将所述呼叫请求发送到 AS;
所述 AS还用于, 根据呼叫融合策略, 发起对所述被叫的呼叫。
16、 根据权利要求 15所述的系统, 其中, 所述呼叫融合策略包括: 优先呼叫所述被叫的 VoIP终端;
或者, 优先呼叫 VoIP终端, 所述 VoIP终端忙或无人接听时转呼所述 被叫的非 IMS网终端;
或者, 同时呼叫所述被叫的 VoIP终端和非 IMS网终端, 并在接收到其 中一路终端的应答后, 释放另一路终端。
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CN1878339A (zh) * 2005-06-07 2006-12-13 华为技术有限公司 一种基于业务触发的话音业务的实现方法
CN102387267A (zh) * 2011-09-29 2012-03-21 中兴通讯股份有限公司 融合呼叫方法及系统

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EP2763464B1 (en) 2017-06-28
US9313818B2 (en) 2016-04-12
US20140376544A1 (en) 2014-12-25
PL2763464T3 (pl) 2017-11-30
CN102387267B (zh) 2017-05-03
EP2763464A4 (en) 2016-05-04
ES2635426T3 (es) 2017-10-03
CN102387267A (zh) 2012-03-21

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