CN102271137A - Media server - Google Patents

Media server Download PDF

Info

Publication number
CN102271137A
CN102271137A CN2011102391631A CN201110239163A CN102271137A CN 102271137 A CN102271137 A CN 102271137A CN 2011102391631 A CN2011102391631 A CN 2011102391631A CN 201110239163 A CN201110239163 A CN 201110239163A CN 102271137 A CN102271137 A CN 102271137A
Authority
CN
China
Prior art keywords
rtp
serial number
media
media server
system logic
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN2011102391631A
Other languages
Chinese (zh)
Other versions
CN102271137B (en
Inventor
朱红军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
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 ZTE Corp filed Critical ZTE Corp
Priority to CN201110239163.1A priority Critical patent/CN102271137B/en
Priority to CN201610702580.8A priority patent/CN106330896B/en
Priority to CN201610701648.0A priority patent/CN106330892B/en
Priority to CN201610705039.2A priority patent/CN106453240B/en
Publication of CN102271137A publication Critical patent/CN102271137A/en
Application granted granted Critical
Publication of CN102271137B publication Critical patent/CN102271137B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • H04L65/60Network streaming of media packets
    • 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
    • H04L65/1033Signalling gateways
    • 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
    • H04L65/1043Gateway controllers, e.g. media gateway control protocol [MGCP] controllers
    • 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
    • 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
    • H04L65/60Network streaming of media packets
    • H04L65/65Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/56Provisioning of proxy services
    • H04L67/565Conversion or adaptation of application format or content
    • H04L67/5651Reducing the amount or size of exchanged application data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres
    • H04M7/006Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer

Abstract

The invention discloses a media server which comprises a protocol processing module, a media issuing module, a VOIP (voice over internet protocol) module, a circuit switching module and a data managing module, wherein the protocol processing module is used for receiving a first service request based on an H.248 protocol sent by media gateway control equipment; the media issuing module obtains a first multimedia stream of a corresponding IP (internet protocol) domain based on the first service request; the VOIP module is used for receiving the first multimedia stream and converting the first multimedia stream into a second multimedia stream borne based on E1; the circuit switching module is used for receiving the second multimedia stream and providing the second multimedia stream; and the data managing module is used for receiving a control message from the protocol processing module and managing the circuit resources, IP resources and DSP (digital signal processor) resources of the media server.

Description

A kind of media server
Technical field
The present invention relates to communication technical field, particularly a kind of media server.
Background technology
Please refer to Fig. 1, in prior art, CS (Circuit Switched, circuit switching) territory is by IMS (IP Multimedia Subsystem, IP Multimedia System) with PS (Packet Switched, packet switching) network structure of information communication is carried out in the territory, specifically comprise: CS field communication equipment, Tandem Gateway, MG (Media Gateway, media gateway), MGCF (Media Gateway Control Function, the media resource controlled function), MS (Media Server, media server) and PS field communication equipment etc.
CS territory device data exchange process is, set up circuit earlier and connect (can use virtual circuit), carry out exchanges data then, discharge circuit after the data exchanging completed, the PS territory then is that data are called the score into several fragments, send simultaneously respectively then, each data slot the circuit route of process may be different, what route each data slot walks will be decided according to the concrete condition and the employed Routing Protocol of network.
Two kinds of data exchange modes that switching domain adopted of cause are inconsistent, so in network service, need to introduce MG or VIG (Video Interwork Gateway, Video Interworking Gateway) intermediate equipment such as, with with the data message in CS territory data conversion treatment via MG or VIG, be transferred to the PS territory, and then realize the information communication in two kinds of exchanges data territories.
As seen, in the prior art for making the CS territory can realize mutually communicating by letter with the PS territory, and then exist and to transform network, the technical problem that adds intermediate equipment MG or VIG, this technical problem has also directly increased the cost of investment of Virtual network operator, when safeguarding the proper network environment, difficulty and cost that network technology is safeguarded have also been increased simultaneously.
Summary of the invention
The invention provides a kind of method and system of supporting the circuit domain user access media server, solving in the prior art to making the CS territory can realize mutually communicate by letter with the PS territory, and then existence must be transformed the technical problem of adding intermediate equipment MG or VIG to network.
On the one hand, the present invention provides following technical scheme by the application's a embodiment:
A kind of media server, described media server are used for including the IP multi-media network of media gateway controlling equipment, comprising:
Protocol process module, be used to receive that described media gateway controlling equipment sends based on first service request of agreement H.248, described first service request is the request that includes called user information that the calling subscriber equipment in the CS territory sends to described media gateway controlling equipment, also is used for based on described first service request described calling subscriber equipment being accessed to described IP multi-media network;
Medium are issued module, are used for based on described first service request, obtain first media stream based on IP territory corresponding with described first service request;
The VOIP module is used to receive described first media stream, and is converted into second media stream based on the E1 carrying;
The circuit switching module is used to receive described second media stream, and based on described first service request, provides described second media stream to described called subscriber equipment.
Data management module is connected with described protocol process module, is used to receive the control messages from described protocol process module, be used for agreement in the described multimedia server, the configuration that Media Stream is handled, and the circuit resource and the IP resource of managing described media server, the DSP resource.
Preferably, described VOIP module based on the Media Stream in IP territory the time, encapsulation in the following way:,, after the decoding, break into E1 carrying stream, so that can on the E1 physical link, transmit with the Media Stream in described IP territory according to the MTP link transmission agreement of E1.
On the other hand, the present invention provides in the media server in the IP multi-media network that a kind of method of the ADD of processing signaling, described method be applied to include media gateway controlling equipment by another embodiment of the application, and described method comprises:
Reception by described media gateway controlling equipment send based on the ADD signaling of agreement H.248, and set up context CONTEXT based on described ADD signaling, wherein, include circuit domain terminal ID in the described ADD signaling;
Described Termination ID is converted to circuit domain system logic node serial number in the described media server, distributes the terminal resource of corresponding relaying for then described circuit domain system logic node serial number;
Open the circuit domain passage and the speech conversion passage of the E1 correspondence of circuit switching module in the described media server based on described circuit domain system logic node serial number;
Based on described circuit domain system logic node serial number, by the resource management interface of data management module in the described media server, application RTP resource;
Open medium in the described media server and issue RTP passage in the module;
Return the response message that is used to respond described ADD signaling to described media gateway controlling equipment.
Preferably, also comprise in the described ADD signaling: the transceiver mode of RTP end, the voice compression algorithm or the video compression algorithm that adopt, the media demand that comprises the service object during m is capable is audio frequency or video, the acquiescence packaging time length, the jitter range requirement of network, employing be IPV4 or the attribute information of IPV6.
Preferably, described user terminal ID is converted to circuit domain system logic node serial number in the described media server, gives then after the terminal resource that described circuit domain system logic node serial number distributes corresponding relaying, also comprise described:
Based on the resource management interface of described data management module, ask the internal orifice IP of VOIP module in the described media server corresponding and Port number with the terminal resource of described relaying.
Preferably, described internal orifice IP and Port number distribute according to the rule of the binary correspondence of data configuration.
Preferably, after the circuit domain passage and speech conversion passage of the described E1 correspondence of opening circuit switching module in the described media server based on described circuit domain system logic node serial number, also comprise:
The audio frequency and video compression algorithm of described VOIP module local terminal is set;
The packaging time length shake abnormality alarming attribute of described VOIP module local terminal is set;
Described terminal is joined among the context CONTEXT, and in the data field of the protocol process module of described media server the corresponding relation of the described terminal of record and described circuit domain system logic node serial number.
Preferably,,, after the application RTP resource, also comprise based on described circuit domain system logic node serial number described by the resource management interface of data management module in the described media server:
Obtain the internal orifice IP of described RTP resource, internal orifice PORT, collar extension IP, collar extension PORT, and the corresponding relation of writing circuit domain system logical node numbering and RTP system logic node serial number.
Preferably, medium are issued after the RTP passage in the module in opening described media server, also comprise:
The reiving/transmitting state of RTP end is set;
Decision is to adopt IPV4 packaged media bag or adopt IPV6 packaged media bag;
The RTP terminal is joined among the described context CONTEXT, and described PPM joins the terminal of RTP among the CONTEXT of establishment; And in the data field of protocol process module the corresponding relation of record RTP terminal and circuit domain system logic node serial number.
On the other hand, the present invention also provides in the media server in the IP multi-media network that a kind of method of the MOD of processing signaling, described method be applied to include media gateway controlling equipment by another embodiment of the application, and described method comprises:
Reception by described media gateway controlling equipment send based on the MOD signaling of agreement H.248, described MOD signaling comprises context ID, the RTP terminal;
Based on described context ID, inquire about the RTP system logic node serial number of the described RTP terminal correspondence that writes down in the contextual data region of agreement H.248;
Based on described RTP system logic node serial number, the far-end RTP IP address of data management module corresponding RTP resource in the described media server is set, port numbers;
Based on described RTP system logic node serial number, search in the described media server circuit domain system logic node serial number of data field correspondence in the protocol process module, and, the attribute of the corresponding port of VOIP module in the described media server is set based on described circuit domain system logic node serial number;
Far-end RTP IP address with described RTP resource, port numbers, the attribute record of the corresponding port of VOIP module and returns the response message that is used to respond described MOD signaling to described media gateway controlling equipment in the described media server in the protocol process module in the data field.
Preferably, described MOD signaling also comprises: consult the described far-end RTP IP address that reaches and port numbers, far-end speech compression algorithm, far-end packaging time length by described media gateway controlling equipment and message interworking gateway.
Preferably, described far-end RTP IP address and port numbers are the external service address and the port numbers of described media server; Described far-end speech compression algorithm is the voice compression algorithm of described media server; Described far-end packaging time length is the packaging time length of described media server.
On the other hand, the present invention also provides in the media server in the IP multi-media network that a kind of method of treatment S UB signaling, described method be applied to include media gateway controlling equipment by another embodiment of the application, and described method comprises:
Reception by described media gateway controlling equipment send based on the SUB signaling of agreement H.248,
Described SUB signaling comprises states context ID, described RTP terminal and circuit domain terminal to some extent;
Based on described context ID, inquire about the RTP system logic node serial number of the described RTP terminal correspondence that writes down in the contextual data region of agreement H.248 and the circuit domain system logic node serial number of described circuit domain terminal correspondence;
Based on described RTP system logic node serial number, close the RTP passage in the described media server;
Based on described circuit domain system logic node serial number, shut-off circuit territory passage and speech conversion passage;
Return the response message that is used to respond described SUB signaling to described media gateway controlling equipment, and report the medium stream information of statistics.
Preferably, also comprise after the RTP passage described closing in the described media server:
Based on described RTP system logic node serial number, by calling the data management interface of data management module in the described media server, discharge described RTP system logic node serial number resource, and the data management chnnels of resources of described RTP system logic node serial number correspondence is set to idle condition.
Preferably,, also comprise after the passage of shut-off circuit territory based on described circuit domain system logic node serial number described:
Based on described circuit domain system logic node serial number, call the data management interface of data management module in the described media server, discharge described circuit domain system logic node serial number resource, the corresponding data management chnnels of resources of described circuit domain service system logical node numbering is set to idle condition.
One or more technical schemes in the technique scheme have following technique effect or advantage:
One, by a kind of media server is provided, utilize the Coordination Treatment between each module in the described media server, with the circuit domain Data Format Transform be can communication on packet-switched domain data format, solve in the prior art to making the CS territory can realize mutually communicating by letter with the PS territory, and then exist and to transform network, the technical problem that adds intermediate equipment MG or VIG, simplifying network configuration thereby reached, reduced under the prerequisite of input cost, realized CS territory user can be directly and the user on the PS territory carry out the data communication technique effect.
Two, simultaneously because the technical scheme that provides in the embodiment of the present application has the technical characterstic that maintains easily, so, can also effectively solve network operation complicated technology problem in the prior art, and then reach the simple and convenient technique effect of maintenance.
Description of drawings
The network structure that Fig. 1 communicates by letter with the PS numeric field data for CS territory in the prior art;
Fig. 2 is the modular structure figure of media server in the embodiment of the present application;
Fig. 3 is the IMS system network architecture figure that includes media server among Fig. 2;
Fig. 4 is the method flow diagram of the media server processes ADD signaling in the embodiment of the present application;
Fig. 5 is the method flow diagram of the media server processes MOD signaling in the embodiment of the present application;
Fig. 6 is the method flow diagram of the media server processes SUB signaling in the embodiment of the present application;
Fig. 7 realizes the detailed process figure of Ring Back Tone service for CS territory user.
Embodiment
Please refer to Fig. 3, for including the IMS network structure of media server among Fig. 2, in described IMS network, MGCF receives CS territory service request from user by Tandem Gateway, and based on described service request go control and the management MS, and other equipment in the described network, as: file server etc., realize the data communication between CS territory user and PS territory user.
The network structure of the prior art of comparing, the technical scheme that provides in the embodiment of the present application can make user in the CS territory without intermediate equipments such as MG or VIG and directly be connected with MS, and then acquisition data service service from described IMS network, as: CRBT, audio media files broadcast etc. is looked in multimedia message.
Below in conjunction with each accompanying drawing in the Figure of description, to the realization principle of the technical scheme in the embodiment of the present application, specific implementation process and to the beneficial effect that should be able to reach carry out in detail, clear and intactly set forth.
As shown in Figure 2, be the modular structure figure of the embodiment of the present application media server, described media server comprises:
PPM (Protocol Preduce Module, protocol process module), be used to accept described MGCF sends by CS territory user send based on first service request of agreement H.248, wherein, the described first service request corresponding service is the multi-medium data business, as CRBT, multimedia message, audio frequency and video etc.; The described first service request corresponding service can also be the storage service of being correlated with in the document storage system on the net, as storage file, file in download, upload file etc., the business that is equal to the foregoing description that the described first service request corresponding service comprises also that technical staff under the application obtains according to the foregoing description direct derivation or reasoning.
In the specific implementation process, H.248 described PPM finishes according to described first service request, and the master of agreement holds from the butt joint of end, suppose that described first service request is the Ring Back Tone service request, described master holds from holding to such an extent that butt joint is, among the described MS between PPM module and the CRBT AS system based on the H.248 butt joint of agreement, and can realize based on functions such as the encoding and decoding of described agreement and business-driven.Described PPM also can be linked into described first service request based on described first service request on the MTP link of E1 and transmit, and wherein, the MTP link of described E1 is for supporting the interface channel of circuit domain transmission mode transmission.
MDM (Media Destruct Module, medium are issued module) is used for based on described first service request, obtains corresponding first media stream based on the IP territory.
With the Ring Back Tone service is example, in concrete implementation process, be: described first service request is the Ring Back Tone service request, described MDM is according to the Ring Back Tone service request, obtain the CRBT multimedia messages of described Ring Back Tone service request correspondence to described AS system based on the IP territory, described CRBT multimedia messages is described first media stream, certainly, and when described first service request is other business, as: multimedia message, audio frequency and video, file storage, speech recognition or the like, described first media stream is corresponding: multimedia message files, the sound video file, storage file, and the voice multimedia or the like.
In the first media stream process that obtains based on the IP territory, MDM realizes the NAT forwarding capability of IP agreement by the internal hardware network processing unit.
Comprise inner VOIP (Voice over Internet Protocol specifically,) E1 medium after the processing, wherein, described E1 medium are the multimedia that can be used for the circuit domain transmission, i.e. second media stream, with the forwarding of described second media stream to outside purpose route, the service media that also comprises the MS that outside route is come is issued to inner VOIP module, reaches directly the purpose to the service of the TS of described E1 passage.
The VOIP module is used to receive described first media stream, and is converted into second media stream based on the E1 carrying.
Be example with the Ring Back Tone service equally, in concrete implementation process, described first media stream is that the CRBT the tinkle of bells is based on the IP territory, and the VOIP module is converted to the CRBT the tinkle of bells that carries based on circuit domain, i.e. second media stream with described CRBT the tinkle of bells.Wherein, the multimedia conversion of described first multimedia to the second is finished by a kind of novel DSP subcard, described this DSP subcard contains 4 main processing DSP chips, each dsp chip contains 3 DSP handles nuclear, nuclear 0 control DSP signaling is to the forwarding of nuclear 1 and nuclear 2, and described nuclear 1 and described nuclear 2 are finished medium and handled.
When described first multimedia is converted to second multimedia, medium stream information need be packaged into the E1 carrying bag that can on circuit domain, transmit, in the process that described medium stream information is packaged into the E1 carrying bag that can on circuit domain, transmit, can adopt following dual mode:
One, according to the MTP link transmission agreement of E1,, after the decoding, break into E1 carrying stream, so that can on the E1 physical link, transmit with the Media Stream in described IP territory;
Two, adopt the packaged type that meets the 324M form to encapsulate the audio/video flow or the rtp streaming of 3G medium.
CEM (Circuit Exchange Module, circuit switching module) receives described second media stream, and based on described first service request, provides described second media stream to described called subscriber equipment.
Be example equally with the Ring Back Tone service, in concrete implementation process, described CEM module receives by the VOIP module will be converted to CRBT the tinkle of bells based on circuit domain based on the CRBT the tinkle of bells in IP territory, and be the user who calls in the CS territory according to first service request, provide the CRBT ringtone service to the user who calls.
Simultaneously, described CEM can also realize that CS territory user inserts the connection management function that MS passage and IP territory user insert Channel Exchange, management function and LC (connecting in the Local Connect, this plate plate) net between the passage.Wherein, the connection management of described LC net is mainly realized by the control to inner E1 exchange chip, the internal hardware that E1 exchange chip and DSP constitute is connected the HW interface of the DSP of VOIP processor by HW line one end of 32M, the other end connects the HW interface of E1 exchange chip, and described E1 access unit is fixedlyed connected according to the data configuration rule with described VOIP processing unit.
Data management module DMM (Data Manage Module) accepts the control messages from described PPM, realizes circuit domain resource and IP resource that agreement in the media server, Media Stream are handled and managed described media server, the DSP resource.
In concrete implementation process, described data management module is according to the control information from PPM, be used for realizing in the server H.248, the management of agreement such as RTP, and, also be used for finishing to comprising the management work of various resources such as DSP resource, IP resource, circuit domain resource to based on first media stream in IP territory with based on the corresponding processing of doing of second media stream of circuit domain.
Wherein, described various resource management work comprise: provide in the process of service at described MS, realize distribution, the operation of data on circuit path to described DSP resource, described IP resource, described circuit domain resource; Described MS finish described service is provided after, realization is to the recovery of resources such as described DSP resource, described IP resource and described circuit domain resource, in described resource management, the LC net of circuit domain resource by inside directly and VOIP handle the resource employing and be fixedly coupled mode, by the described mode that is fixedly coupled, circuit domain resource 1~n can worked as, when linking to each other one by one with VOIP processing resource 1~n by the LC net, described DMM only need do one of them replacement of 1 pair 1 just can, and all do replacement, and then improved the efficient of replacing without each; The RTP resource of the external network interface that connects, the mode of the network interface of going out on the employing inner exchanging plate is to save the hardware groove position resource of media server.
By above-mentioned embodiments of the invention, can be achieved as follows technique effect:
According to first service request, directly from IMS, obtain corresponding media services, by the processing between each module in the MS, to be converted to second media stream based on first media stream in IP territory based on circuit domain, solved in the prior art, increased the technical problem of intermediate equipment MG or VIG, reached and simplified network configuration, reduce under the prerequisite of input cost, realized that CS territory user can be directly and the technique effect of media server transmitting multimedia information.
As shown in Figure 4, in the embodiment of the present application, handle the method flow diagram of ADD signaling, in the specific implementation process, described method can realize in different hardware devices, can be applied to include such as: described method in the media server in the IP multi-media network of media gateway controlling equipment, described method comprises the steps:
Step 401, receive by described media gateway controlling equipment send based on the ADD signaling of agreement H.248, and set up context CONTEXT based on described ADD signaling.
Wherein, include circuit domain terminal ID in the described ADD signaling, in actual applications, described ADD signaling can also comprise: the transceiver mode of RTP end, the voice compression algorithm or the video compression algorithm that adopt, the media demand that comprises the service object during m is capable is audio frequency or video, the acquiescence packaging time length, the jitter range requirement of network, what adopt is IPV4 or attribute information of IPV6 or the like, in a word, the application person of ordinary skill in the field can decide described ADD signaling to comprise the kind of information according to demand.
Step 402 is converted to circuit domain system logic node serial number in the described media server with described Termination ID, distributes the terminal resource of corresponding relaying for then described circuit domain system logic node serial number.
In concrete implementation procedure, after described step 402, can also carry out following operation:
Resource management interface based on described data management module, ask the internal orifice IP of VOIP module in the described media server corresponding and PORT number with the terminal resource of described relaying, wherein, for described internal orifice IP and PORT number, in assigning process, can distribute according to a lot of rules, such as: the rule according to the binary correspondence of data configuration is distributed.Certainly, the application person of ordinary skill in the field, other rules that can also adopt the rule corresponding with described binary to be equal to are distributed.
Step 403 is opened the circuit domain passage and the speech conversion passage of the E1 correspondence of circuit switching module in the described media server based on described circuit domain system logic node serial number.
In concrete application, the embodiment of the present application can also be carried out following steps after described step 30:
The audio frequency and video compression algorithm of described VOIP module local terminal is set, described audio frequency and video compression algorithm; Wherein, described audio frequency and video compression algorithm can be a scheduling algorithm G.711A, G.711U or G.729;
The packaging time length shake abnormality alarming attribute of VOIP module local terminal is set; Wherein, described alarm attributes specifically can comprise an abnormality alarming sign position, shake threshold values, alarm code.
Described terminal is joined among the context CONTEXT, and in the data field of the protocol process module of described media server the corresponding relation of the described terminal of record and described circuit domain system logic node serial number.
Step 404, based on described circuit domain system logic node serial number, by the resource management interface of data management module in the described media server, application RTP resource;
Step 405 is opened medium in the described media server and is issued RTP passage in the module;
Wherein, after application RTP resource, also comprise: obtain the internal orifice IP of described RTP resource, internal orifice PORT, collar extension IP, collar extension PORT, and the corresponding relation of writing circuit domain system logical node numbering and RTP system logic node serial number.
Also comprise after medium are issued RTP passage in the module described opening:
The reiving/transmitting state of RTP end is set;
Decision is to adopt IPV4 packaged media bag or adopt IPV6 packaged media bag;
The RTP terminal is joined among the described context CONTEXT, and described PPM joins the terminal number of RTP among the context of establishment; And in the data field of protocol process module the corresponding relation of record RTP terminal and circuit domain system logic node serial number.
The corresponding relation of described record RTP terminal and circuit domain system logic node serial number can be choice of dynamical, promptly, when setting up media channel, choose idle RTP port, and dynamically the corresponding relation of RTP port with circuit domain system logic node serial number is recorded among the DMM;
Step 406 is returned the response message that is used to respond described ADD signaling to described media gateway controlling equipment;
As shown in Figure 5, in the embodiment of the present application, handle the method flow diagram of MOD signaling, in the specific implementation process, described method can realize in different hardware devices, can be applied to include such as: described method in the media server in the IP multi-media network of media gateway controlling equipment, described method comprises the steps:
Step 501, receive by described media gateway controlling equipment send based on the MOD signaling of agreement H.248, described MOD signaling comprises context ID, the RTP terminal;
Wherein, described MOD signaling also comprises: consult the described far-end RTP IP address that reaches and port numbers, far-end speech compression algorithm, far-end packaging time length by described media gateway controlling equipment and message interworking gateway.
Step 502 according to described context ID, is inquired about the RTP system logic node serial number of the described RTP terminal correspondence that writes down in the contextual data region of agreement H.248;
Step 503 according to described RTP system logic node serial number, is provided with the far-end RTP IP address of data management module corresponding RTP resource in the described media server, port numbers;
Wherein, described far-end RTP IP address and port numbers are the external service address and the port numbers of described media server; Described far-end speech compression algorithm is the voice compression algorithm of described media server; Described far-end packaging time length is the packaging time length of described media server.
Step 504, according to described RTP system logic node serial number, search in the described media server circuit domain system logic node serial number of data field correspondence in the protocol process module, and, the attribute of the corresponding port of VOIP module in the described media server is set based on described circuit domain system logic node serial number;
Step 505, far-end RTP IP address with described RTP resource, port numbers, the attribute record of the corresponding port of VOIP module in the protocol process module in the data field, are returned the response message that is used to respond described MOD signaling to described media gateway controlling equipment in the described media server.
As shown in Figure 6, in the embodiment of the present application, the method flow diagram of treatment S UB signaling, in the specific implementation process, described method can realize in different hardware devices, can be applied to include such as: described method in the media server in the IP multi-media network of media gateway controlling equipment, described method comprises the steps:
Step 601, receive by described media gateway controlling equipment send based on the SUB signaling of agreement H.248,
Wherein, described SUB signaling comprises and states context ID, described RTP terminal and circuit domain terminal to some extent;
Step 602 based on described context ID, is inquired about the RTP system logic node serial number of the described RTP terminal correspondence that writes down in the contextual data region of agreement H.248 and the circuit domain system logic node serial number of described circuit domain terminal correspondence;
Step 603 based on described RTP system logic node serial number, is closed the RTP passage in the described media server;
In concrete implementation procedure, after described step 603, can also carry out following operation:
Based on described RTP system logic node serial number, by calling the data management interface of data management module in the described media server, discharge described RTP system logic node serial number resource, and the data management chnnels of resources of described RTP system logic node serial number correspondence is set to idle condition.
Step 604 is based on described circuit domain system logic node serial number, shut-off circuit territory passage and speech conversion passage;
In concrete implementation procedure, after described step 604, can also carry out following operation:
Based on described circuit domain system logic node serial number, by calling the data management interface of data management module in the described media server, discharge described circuit domain system logic node serial number resource, and the data management chnnels of resources of described circuit domain system logic node serial number correspondence is set to idle condition.
Step 605 is returned the response message that is used to respond described SUB signaling to described media gateway controlling equipment, and reports the medium stream information of statistics.
With reference to figure 7, below just use the IMS Colorful Ring Service to be example with circuit domain user, describe the detailed process how user in the CS territory realizes Ring Back Tone service in detail.
Step 1, after the dialing of calling subscriber UE1 off-hook, MGCF receives the ISUP initial address message (IAM) of caller switch, then to the CSAS of MS (Circuit Switched Domain Access System, the circuit commutative field connecting system) send Add message, wherein said ADD message comprises:
In CSAS, create a new context, and in context, add Incoming relaying and RTP terminal number, and the Mode of RTP is set to Receiveonly, and voice compression algorithm is set;
Wherein, described voice compression algorithm can adopt G.711A, G.711U, G.729, compression algorithm such as 324M;
Step 2, described CSAS is the RTP Resources allocation RTP1 of required Add, and replys Reply message to described MGCF, wherein, described Reply message comprises: the IP address of described RTP1, the voice compression algorithm of employing and RTP port numbers etc.;
Step 3, described MGCF distributes calling UE 1 SDP offer; The INVITE request is routed to called subscriber UE2 behind the CRBT application server;
Described called subscriber UE2 ring sends 180 responses, and carries the UE2 SDP answer of corresponding described UE1 SDP offer;
Step 4, the CRBT application server is to the MRF of MS (Media Resource Function, media resource function) application CRBT media resource, and CRBT application server route 180 responds described MGCF, carries described MRBT SDP answer in the response;
Step 5, the CSAS to MS behind the described MGCF sends Mod message, and far-end RTP address and port numbers, voice compression algorithm etc. are set;
Step 6, described CSAS is to described MGCF echo reply Reply message;
Step 7, described MGCF is converted to ACM (Address Complete Message, Address Complete Message) with 180 responses, sends to described UE1; Described UE1 confirms described 180 responses by PRACK; Described UE2 responds PRACK;
Step 8, CRBT application server send INFO request indication MRF coloring ring back tone playing;
Step 9, behind described called UE 2 off-hooks, described CRBT application server uses UPDATE to initiate the medium renewal to MGCF; Simultaneously described CRBT application server sends BYE and asks described MRF, finishes polyphonic ringtone playing;
Step 10, described MGCF sends MOD message to CSAS, and its Mode is revised as SendReceive;
Step 11, described CSAS returns Reply message to described MGCF;
Step 12, described calling UE 1 and described called UE 2 begin conversation;
Step 13, described calling UE 1 or 2 on-hooks of described called UE finish conversation;
Step 14, described MGCF sends SUB message to CSAS, discharges called relaying and RTP;
Step 15, CSAS returns Reply to MGCF, wherein reports the Media Stream statistical information of calling,
Wherein, described Media Stream statistical information comprises: medium keep duration, calling party, callee, the file name information of broadcast.
By the embodiment in the present specification, can be achieved as follows technique effect at least:
One, by the processing of ADD signaling, the distribution of circuit domain and link terminal resource and the problem of opening of circuit domain passage, RTP passage and speech conversion passage have been solved; And ins and outs related in the above-mentioned processing procedure are set as the RTP transceiver mode, the compression algorithm pattern, packaging time length, network jitter scope and abnormality alarming attribute, relevant parameters such as procotol standard have reached multimedia information stream and transmitted the technique effect of preparing and be pairing parameter detail setting preparation on passages.
Two, pass through the processing of MOD signaling, solve the problem that is provided with of the IP address, port numbers, VOIP module corresponding port attribute, far-end compression algorithm, far-end packaging time length etc. of the SLN of RTP terminal and RTP, reached the technique effect that has obtained corresponding logic interfacing position in the media server between each module.
Three, the processing by the SUB signaling has solved the closing problem of the pairing circuit domain passage of SLN, RTP passage and the speech conversion passage of the SLN of RTP and circuit domain,, for next media services provide channel resource and circuit domain relay resource etc.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (16)

1. media server, described media server is used for including the IP multi-media network of media gateway controlling equipment, it is characterized in that, comprising:
Protocol process module, be used to receive that described media gateway controlling equipment sends based on first service request of agreement H.248, described first service request is the request that includes called user information that the calling subscriber equipment in the CS territory sends to described media gateway controlling equipment, also is used for based on described first service request described calling subscriber equipment being accessed to described IP multi-media network;
Medium are issued module, are used for based on described first service request, obtain first media stream based on IP territory corresponding with described first service request;
The VOIP module is used to receive described first media stream, and is converted into second media stream based on the E1 carrying;
The circuit switching module is used to receive described second media stream, and based on described first service request, provides described second media stream to described called subscriber equipment.
2. media server as claimed in claim 1 is characterized in that, also comprises:
Data management module is connected with described protocol process module, is used to receive the control messages from described protocol process module, be used for agreement in the described multimedia server, the configuration that Media Stream is handled, and the circuit resource and the IP resource of managing described media server, the DSP resource.
3. media server as claimed in claim 2, it is characterized in that, described VOIP module is based on the Media Stream in IP territory the time, encapsulation in the following way: according to the MTP link transmission agreement of E1, Media Stream with described IP territory, after the decoding, break into E1 carrying stream, so that can on the E1 physical link, transmit.
4. method of handling the ADD signaling, described method are applied to include in the media server in the IP multi-media network of media gateway controlling equipment, it is characterized in that described method comprises:
Reception by described media gateway controlling equipment send based on the ADD signaling of agreement H.248, and set up context CONTEXT based on described ADD signaling, wherein, include circuit domain terminal ID in the described ADD signaling;
Described Termination ID is converted to circuit domain system logic node serial number in the described media server, distributes the terminal resource of corresponding relaying for then described circuit domain system logic node serial number;
Open the circuit domain passage and the speech conversion passage of the E1 correspondence of circuit switching module in the described media server based on described circuit domain system logic node serial number;
Based on described circuit domain system logic node serial number, by the resource management interface of data management module in the described media server, application RTP resource;
Open medium in the described media server and issue RTP passage in the module;
Return the response message that is used to respond described ADD signaling to described media gateway controlling equipment.
5. method as claimed in claim 4, it is characterized in that, also comprise in the described ADD signaling: the transceiver mode of RTP end, the voice compression algorithm or the video compression algorithm that adopt, the media demand that comprises the service object during m is capable is audio frequency or video, the acquiescence packaging time length, the jitter range requirement of network, employing be IPV4 or the attribute information of IPV6.
6. method as claimed in claim 4, it is characterized in that, described described user terminal ID is converted to circuit domain system logic node serial number in the described media server, gives then after the terminal resource that described circuit domain system logic node serial number distributes corresponding relaying, also comprise:
Based on the resource management interface of described data management module, ask the internal orifice IP of VOIP module in the described media server corresponding and Port number with the terminal resource of described relaying.
7. method as claimed in claim 6 is characterized in that, described internal orifice IP and Port number distribute according to the rule of the binary correspondence of data configuration.
8. method as claimed in claim 5 is characterized in that, after the circuit domain passage and speech conversion passage of the described E1 correspondence of opening circuit switching module in the described media server based on described circuit domain system logic node serial number, also comprises:
The audio frequency and video compression algorithm of described VOIP module local terminal is set;
The packaging time length shake abnormality alarming attribute of VOIP module local terminal is set;
Described terminal is joined among the context CONTEXT, and in the data field of the protocol process module of described media server the corresponding relation of the described terminal of record and described circuit domain system logic node serial number.
9. method as claimed in claim 4 is characterized in that,,,, also comprises after the application RTP resource by the resource management interface of data management module in the described media server based on described circuit domain system logic node serial number described:
Obtain the internal orifice IP of described RTP resource, internal orifice PORT, collar extension IP, collar extension PORT, and the corresponding relation of writing circuit domain system logical node numbering and RTP system logic node serial number.
10. method as claimed in claim 9 is characterized in that, medium are issued after the RTP passage in the module in opening described media server, also comprise:
The reiving/transmitting state of RTP end is set;
Decision is to adopt IPV4 packaged media bag or adopt IPV6 packaged media bag;
The RTP terminal is joined among the described context CONTEXT, and described PPM joins the terminal of RTP among the context of establishment; And in the data field of protocol process module the corresponding relation of record RTP terminal and circuit domain system logic node serial number.
11. a method of handling the MOD signaling, described method are applied to include in the media server in the IP multi-media network of media gateway controlling equipment, it is characterized in that described method comprises:
Reception by described media gateway controlling equipment send based on the MOD signaling of agreement H.248, described MOD signaling comprises context ID, the RTP terminal;
Based on described context ID, inquire about the RTP system logic node serial number of the described RTP terminal correspondence that writes down in the contextual data region of agreement H.248;
Based on described RTP system logic node serial number, the far-end RTP IP address of data management module corresponding RTP resource in the described media server is set, port numbers;
Based on described RTP system logic node serial number, search in the described media server circuit domain system logic node serial number of data field correspondence in the protocol process module, and, the attribute of the corresponding port of VOIP module in the described media server is set based on described circuit domain system logic node serial number;
Far-end RTP IP address with described RTP resource, port numbers, the attribute record of the corresponding port of VOIP module and returns the response message that is used to respond described MOD signaling to described media gateway controlling equipment in the described media server in the protocol process module in the data field.
12. method as claimed in claim 11, it is characterized in that described MOD signaling also comprises: consult the described far-end RTP IP address that reaches and port numbers, far-end speech compression algorithm, far-end packaging time length by described media gateway controlling equipment and message interworking gateway.
13. method as claimed in claim 12 is characterized in that, described far-end RTP IP address and port numbers are the external service address and the port numbers of described media server; Described far-end speech compression algorithm is the voice compression algorithm of described media server; Described far-end packaging time length is the packaging time length of described media server.
14. the method for a treatment S UB signaling, described method are applied to include in the media server in the IP multi-media network of media gateway controlling equipment, it is characterized in that described method comprises:
Reception by described media gateway controlling equipment send based on the SUB signaling of agreement H.248,
Described SUB signaling comprises states context ID, described RTP terminal and circuit domain terminal to some extent;
Based on described context ID, inquire about the RTP system logic node serial number of the described RTP terminal correspondence that writes down in the contextual data region of agreement H.248 and the circuit domain system logic node serial number of described circuit domain terminal correspondence;
Based on described RTP system logic node serial number, close the RTP passage in the described media server;
Based on described circuit domain system logic node serial number, shut-off circuit territory passage and speech conversion passage;
Return the response message that is used to respond described SUB signaling to described media gateway controlling equipment, and report the medium stream information of statistics.
15. method as claimed in claim 14 is characterized in that, also comprises after the RTP passage described closing in the described media server:
Based on described RTP system logic node serial number, by calling the data management interface of data management module in the described media server, discharge described RTP system logic node serial number resource, and the data management chnnels of resources of described RTP system logic node serial number correspondence is set to idle condition.
16. method as claimed in claim 14 is characterized in that,, also comprises after the passage of shut-off circuit territory based on described circuit domain system logic node serial number described:
Based on described circuit domain system logic node serial number, call the data management interface of data management module in the described media server, discharge described circuit domain system logic node serial number resource, the data management chnnels of resources of described circuit domain RTP system logic node serial number correspondence is set to idle condition.
CN201110239163.1A 2011-08-19 2011-08-19 A kind of media server Active CN102271137B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201110239163.1A CN102271137B (en) 2011-08-19 2011-08-19 A kind of media server
CN201610702580.8A CN106330896B (en) 2011-08-19 2011-08-19 A method of processing SUB signaling
CN201610701648.0A CN106330892B (en) 2011-08-19 2011-08-19 A method of processing MOD signaling
CN201610705039.2A CN106453240B (en) 2011-08-19 2011-08-19 A method of processing ADD signaling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110239163.1A CN102271137B (en) 2011-08-19 2011-08-19 A kind of media server

Related Child Applications (3)

Application Number Title Priority Date Filing Date
CN201610705039.2A Division CN106453240B (en) 2011-08-19 2011-08-19 A method of processing ADD signaling
CN201610701648.0A Division CN106330892B (en) 2011-08-19 2011-08-19 A method of processing MOD signaling
CN201610702580.8A Division CN106330896B (en) 2011-08-19 2011-08-19 A method of processing SUB signaling

Publications (2)

Publication Number Publication Date
CN102271137A true CN102271137A (en) 2011-12-07
CN102271137B CN102271137B (en) 2017-11-10

Family

ID=45053300

Family Applications (4)

Application Number Title Priority Date Filing Date
CN201610705039.2A Active CN106453240B (en) 2011-08-19 2011-08-19 A method of processing ADD signaling
CN201610701648.0A Active CN106330892B (en) 2011-08-19 2011-08-19 A method of processing MOD signaling
CN201610702580.8A Active CN106330896B (en) 2011-08-19 2011-08-19 A method of processing SUB signaling
CN201110239163.1A Active CN102271137B (en) 2011-08-19 2011-08-19 A kind of media server

Family Applications Before (3)

Application Number Title Priority Date Filing Date
CN201610705039.2A Active CN106453240B (en) 2011-08-19 2011-08-19 A method of processing ADD signaling
CN201610701648.0A Active CN106330892B (en) 2011-08-19 2011-08-19 A method of processing MOD signaling
CN201610702580.8A Active CN106330896B (en) 2011-08-19 2011-08-19 A method of processing SUB signaling

Country Status (1)

Country Link
CN (4) CN106453240B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103166929A (en) * 2011-12-15 2013-06-19 华为技术有限公司 Media playing method and device
WO2018152772A1 (en) * 2017-02-24 2018-08-30 华为技术有限公司 Network telephone processing method and related network device
CN109309931A (en) * 2018-11-23 2019-02-05 冲石通信技术(北京)有限公司 Test method, device and the media emulation server of performance of mobile communication system
CN111404862A (en) * 2019-01-02 2020-07-10 中国移动通信有限公司研究院 Multimedia processing method and equipment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110266902B (en) * 2019-05-27 2021-04-02 国家计算机网络与信息安全管理中心 VoIP signaling and media data association system and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1756242A (en) * 2004-09-30 2006-04-05 华为技术有限公司 System and method for carrying service using circuit switching in IP multimedia subsystem
CN101136907A (en) * 2006-09-01 2008-03-05 中兴通讯股份有限公司 Relay media gateway media conversion control method in next generation network
WO2009049531A1 (en) * 2007-10-12 2009-04-23 Huawei Technologies Co., Ltd. A method, a multimedia network gateway control device and an application server for implementing intercommunication of color ring back tone
US20110110326A1 (en) * 2006-12-28 2011-05-12 Nokia Corporation Handover Of Circuit-Switched Call To Packet-Switched Call, And Vice Versa
CN102137112A (en) * 2011-04-20 2011-07-27 中兴通讯股份有限公司 Method and device for converting media streams

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8036120B2 (en) * 2003-08-27 2011-10-11 Nortel Networks Limited Technique for admission control of packet flows
US7359373B2 (en) * 2003-10-17 2008-04-15 Nokia Corporation System, apparatus, and method for establishing circuit-switched communications via packet-switched network signaling
CN100551168C (en) * 2006-03-20 2009-10-14 华为技术有限公司 The method of connecting multimedia subsystem of circuit field terminal and implement device thereof
EP2081337A4 (en) * 2006-11-27 2010-03-03 Huawei Tech Co Ltd System, method and devices for achieving the multimedia session continuity
CN101068340B (en) * 2007-06-08 2010-06-02 华为技术有限公司 Program network transcribing method and media processing server and network transcribing system
CN101378535B (en) * 2007-08-27 2011-12-07 华为技术有限公司 Method, system and apparatus for controlling message by transmission medium flow
CN101646254A (en) * 2009-06-24 2010-02-10 中国联合网络通信集团有限公司 Implementation method of mobile video blog and system thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1756242A (en) * 2004-09-30 2006-04-05 华为技术有限公司 System and method for carrying service using circuit switching in IP multimedia subsystem
CN101136907A (en) * 2006-09-01 2008-03-05 中兴通讯股份有限公司 Relay media gateway media conversion control method in next generation network
US20110110326A1 (en) * 2006-12-28 2011-05-12 Nokia Corporation Handover Of Circuit-Switched Call To Packet-Switched Call, And Vice Versa
WO2009049531A1 (en) * 2007-10-12 2009-04-23 Huawei Technologies Co., Ltd. A method, a multimedia network gateway control device and an application server for implementing intercommunication of color ring back tone
CN102137112A (en) * 2011-04-20 2011-07-27 中兴通讯股份有限公司 Method and device for converting media streams

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103166929A (en) * 2011-12-15 2013-06-19 华为技术有限公司 Media playing method and device
WO2013086873A1 (en) * 2011-12-15 2013-06-20 华为技术有限公司 Media playing method and device
CN103166929B (en) * 2011-12-15 2016-06-08 华为技术有限公司 media playing method and device
WO2018152772A1 (en) * 2017-02-24 2018-08-30 华为技术有限公司 Network telephone processing method and related network device
CN109479071A (en) * 2017-02-24 2019-03-15 华为技术有限公司 A kind of processing method and related network device of the networking telephone
CN109479071B (en) * 2017-02-24 2021-06-01 华为技术有限公司 Network telephone processing method and related network equipment
US11070665B2 (en) 2017-02-24 2021-07-20 Huawei Technologies Co., Ltd. Voice over internet protocol processing method and related network device
CN109309931A (en) * 2018-11-23 2019-02-05 冲石通信技术(北京)有限公司 Test method, device and the media emulation server of performance of mobile communication system
CN111404862A (en) * 2019-01-02 2020-07-10 中国移动通信有限公司研究院 Multimedia processing method and equipment
CN111404862B (en) * 2019-01-02 2022-09-13 中国移动通信有限公司研究院 Multimedia processing method and equipment

Also Published As

Publication number Publication date
CN106330892A (en) 2017-01-11
CN106453240B (en) 2019-11-08
CN106453240A (en) 2017-02-22
CN102271137B (en) 2017-11-10
CN106330896A (en) 2017-01-11
CN106330896B (en) 2019-09-20
CN106330892B (en) 2019-09-20

Similar Documents

Publication Publication Date Title
CN110650260B (en) System and method for intercommunication of network terminal audio internal and external networks
CN101485172A (en) Method and communication terminal for provision of VOIP
CN109889534B (en) VoIP (Voice over Internet protocol) communication method fusing IP (Internet protocol) network and LTE (Long term evolution) network
CN102547416A (en) Method for partially loading media based on mobile phone and television
CN102271137A (en) Media server
CN109714494A (en) List generating method and system, ticket generate server
CN101087302B (en) Call establishment method
CN101273609B (en) Telephone call processing method and apparatus
CN100463404C (en) Method for implementing telephone conference service by using media resource server
CN101472019B (en) Method, system and device for mutually communicating outband DTMF signaling
CN1976376B (en) Method for calling session, IP telephone system and IP telephone terminal
CN100589506C (en) System and method for sharing color bell in wide and narrow band network
CN100571307C (en) In next generation network, insert the method for integrated services digital network console
CN107613123A (en) The system and method for wireless telephone function is realized based on WIFI
CN101258717B (en) Medium gateway system and method for realizing medium gateway internal call
KR100809398B1 (en) Method and system for transmitting SMS for VoIP service supproting Multi-protocol
US7372876B2 (en) Method for setting up a useful data link between terminals in a VoIP system
CN101119212A (en) Method and system for transmitting and applying user-user application message
CN111601187B (en) OLT centralized management ONU voice method, OLT equipment and system
CN101931907A (en) Method and system for calling user of traditional circuit domain network through packet core network
KR20050042270A (en) Ringbacktone provide system by analsys of call and media control information and method therof over voip network
CN100459542C (en) Method for realizing internet access in next generation network environment
CN102523260A (en) Media transmitting method and media transmitting device
CN101902535B (en) Calling method and media gateway
CN103002012A (en) Method for implementing remote communication of monitoring information

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant