CN102137198A - Method for realizing private branch exchange service and gateway equipment - Google Patents
Method for realizing private branch exchange service and gateway equipment Download PDFInfo
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- CN102137198A CN102137198A CN2011100692649A CN201110069264A CN102137198A CN 102137198 A CN102137198 A CN 102137198A CN 2011100692649 A CN2011100692649 A CN 2011100692649A CN 201110069264 A CN201110069264 A CN 201110069264A CN 102137198 A CN102137198 A CN 102137198A
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- 230000001960 triggered effect Effects 0.000 claims abstract description 17
- 230000000977 initiatory effect Effects 0.000 claims abstract description 5
- 230000004044 response Effects 0.000 description 22
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
- H04L65/1033—Signalling gateways
- H04L65/1036—Signalling gateways at the edge
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
- H04L65/1033—Signalling gateways
- H04L65/104—Signalling gateways in the network
Abstract
The embodiment of the invention provides a method for realizing a private branch exchange service and gateway equipment. The method comprises the following steps that the gateway equipment receives an invitation request message from a calling terminal, wherein the invitation request message comprises a preset private branch exchange mark; the gateway equipment sends prompt information corresponding to a private branch exchange mark to a calling terminal according to the private branch exchange mark to prompt the calling terminal to supply a branch machine mark of a called terminal; and the gateway equipment transfers a call triggered by the invitation request message to the called terminal through an SIP (Session Initiation Protocol) server according to the acquired branch machine mark of the called terminal so that the calling terminal holds conversation with the called terminal. With the adoption of the embodiment of the invention, the problem that the load of the SIP server is increased due to realizing the private branch exchange service by adopting the SIP server in the prior art is avoided, thereby the load of the SIP server is lowered, and normal running of the private branch exchange service is ensured.
Description
Technical field
The embodiment of the invention relates to the communication technology, relates in particular to a kind of implementation method and gateway device of central office service.
Background technology
In the present communications field, terminal can insert in the IP packet network by gateway device.Further, the IP packet network can dock session initiation protocol (Session Initiation Protocol, be called for short SIP) network, for example: with the soft switch is next generation network (the Next Generation Network of core, be called for short NGN), make terminal to realize central office service by sip server.
Yet the available technology adopting sip server is realized central office service, has caused the load of sip server to increase, even can influence normally carrying out of central office service.
Summary of the invention
The embodiment of the invention provides a kind of implementation method and gateway device of central office service, in order to reduce the load of sip server, guarantees normally carrying out of central office service.
The embodiment of the invention provides a kind of implementation method of central office service, comprising:
Gateway device receives the invite request message from calling terminal, comprises the exchange sign that sets in advance in the described invite request message;
Described gateway device identifies according to described exchange, sends and described exchange sign corresponding prompt message to described calling terminal, provides the extension identities of terminal called in order to point out described calling terminal;
Described gateway device is according to the extension identities of the described terminal called that obtains, and the calling transfer that described invite request message is triggered by sip server is to described terminal called, so that described calling terminal and described terminal called are conversed.
The embodiment of the invention also provides a kind of gateway device, comprising:
Receiver module is used to receive the invite request message from calling terminal, comprises the exchange sign that sets in advance in the described invite request message;
Reminding module is used for according to described exchange sign, sends and described exchange sign corresponding prompt message to described calling terminal, provides the extension identities of terminal called in order to point out described calling terminal;
Shift module is used for the extension identities according to the described terminal called that obtains, and the calling transfer that described invite request message is triggered by sip server is to described terminal called, so that described calling terminal and described terminal called are conversed.
As shown from the above technical solution, the gateway device of the embodiment of the invention receives after the invite request message that identifies from the exchange that sets in advance comprising of calling terminal, by sending to above-mentioned calling terminal and above-mentioned exchange sign corresponding prompt message, make that above-mentioned gateway device can be according to the extension identities of the above-mentioned terminal called that obtains, the calling transfer that above-mentioned invite request message is triggered by sip server is to above-mentioned terminal called, thereby realized that the conversation between calling terminal and the terminal called (extension facility) is a central office service, guaranteed normally carrying out of central office service, and can avoid in the prior art having reduced the load of sip server owing to adopting sip server to realize the problem that the load of the sip server that central office service causes increases.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of the implementation method of the central office service that Fig. 1 provides for the embodiment of the invention one;
The schematic flow sheet of the implementation method of the central office service that Fig. 2 provides for the embodiment of the invention two;
The schematic flow sheet of the implementation method of the central office service that Fig. 3 provides for the embodiment of the invention three;
One structural representation of the gateway device that Fig. 4 provides for the embodiment of the invention four;
Another structural representation of the gateway device that Fig. 5 provides for the embodiment of the invention four.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The schematic flow sheet of the implementation method of the central office service that Fig. 1 provides for the embodiment of the invention one, as shown in Figure 1, the implementation method of the central office service of present embodiment can may further comprise the steps:
Before step 101, each terminal can be registered to sip server by the gateway device of correspondence.Wherein, above-mentioned gateway device can comprise at least one in the following media gateway device: Tandem Gateway (Trunk Gateway, abbreviation TG), IAD (Access Gateway is called for short AG), integrated access equipment (Integrated Access Device is called for short IAD).This gateway device (for example: TG, AG or IAD etc.) can also utilize the exchange sign that sets in advance, simulating a virtual terminal (promptly with the corresponding terminal of described exchange sign) also registers to sip server, and indicate this sip server to dispose above-mentioned virtual terminal to have calling transfer (Explicit Call Transfer, be called for short ECT) function.Wherein, above-mentioned virtual terminal can be regarded as main process equipment, and other-end (being above-mentioned each terminal) can be regarded extension facility as.
Need to prove: above-mentioned virtual terminal is by corresponding gateway device, pass through corresponding gateway device to the operation that sip server is registered with ordinary terminal, the class of operation of registering to sip server seemingly, difference only is that virtual terminal need not corresponding real terminal, can not directly use as ordinary terminal.
In step 102, gateway device can be according to the above-mentioned exchange sign of obtaining, send and above-mentioned exchange sign corresponding prompt message to above-mentioned calling terminal, in order to point out above-mentioned calling terminal that the extension identities of terminal called is provided, for example: gateway device is play the prompt tone of " requesting extension " to calling terminal, the user of calling terminal then can be according to this prompt tone, by the input keyboard input extension of calling terminal.
Particularly, in step 103, above-mentioned gateway device specifically can be according to the extension identities of the above-mentioned terminal called that obtains, utilize the ECT function, the calling transfer that above-mentioned invite request message is triggered by sip server is to above-mentioned terminal called, that is to say that gateway device can send the message (for example: informational message, invite request message etc.) of the extension identities comprise terminal called to sip server so that sip server with calling transfer to terminal called.
Alternatively, the above-mentioned sip server in the present embodiment can be the NGN server, perhaps is IP Multimedia System (IP Multimedia Subsystem is called for short IMS) server.
In the present embodiment, gateway device receives after the invite request message that identifies from the exchange that sets in advance comprising of calling terminal, by sending to above-mentioned calling terminal and above-mentioned exchange sign corresponding prompt message, make that above-mentioned gateway device can be according to the extension identities of the above-mentioned terminal called that obtains, the calling transfer that above-mentioned invite request message is triggered by sip server is to above-mentioned terminal called, thereby realized that the conversation between calling terminal and the terminal called (extension facility) is a central office service, guaranteed normally carrying out of central office service, and can avoid in the prior art having reduced the load of sip server owing to adopting sip server to realize the problem that the load of the sip server that central office service causes increases.
For the method that makes the embodiment of the invention provide is clearer, below will be respectively with NGN and IMS as an example.
The schematic flow sheet of the implementation method of the central office service that Fig. 2 provides for the embodiment of the invention two, present embodiment is applicable to NGN.In the present embodiment, terminal A, terminal B and terminal C are registered on the NGN server, and wherein, terminal A is the equipment under the IAD, as total machine equipment, and dispose the ECT function; Terminal B is the equipment under the gateway device 1; Terminal C is the equipment under the gateway device 2, as extension facility.As shown in Figure 2, the implementation method of the central office service of present embodiment can may further comprise the steps:
Step 201, terminal B send to the NGN server and invite (Invite) request message, comprise the host identification (being the telephone number of terminal A) of terminal A in the above-mentioned invite request message;
So far, by step 201～step 206, the terminal B under the gateway device 1 calls out the terminal A under the IAD, and connects.
The user of step 208, terminal B is by the extension identities (being the extension of terminal C) of the input keyboard input terminal C of terminal B;
Step 211, terminal C send 180 (Ringing) response message to the NGN server;
Step 214, NGN server send 200 (OK) response message to IAD;
Step 220, NGN server send invite request message to terminal C, comprise SDP message body in the above-mentioned invite request message, this SDP message body comprises the media information of terminal B, and for example: the RTP port numbers of terminal B, the IP address of terminal B etc. are used for the media redirection terminal B of indicating terminal C;
Step 221, terminal C send 200 (OK) response message to the NGN server;
Step 222, NGN server send acknowledge message to terminal C;
So far, when IP packet network butt joint NGN, on IAD, realize central office service.
In the present embodiment, IAD receives after the invite request message that identifies from the exchange that sets in advance comprising of calling terminal, by sending to above-mentioned calling terminal and above-mentioned exchange sign corresponding prompt message, make that above-mentioned IAD can be according to the extension identities of the above-mentioned terminal called that obtains, the calling transfer that above-mentioned invite request message is triggered by the NGN server is to above-mentioned terminal called, thereby realized that the conversation between calling terminal and the terminal called (extension facility) is a central office service, guaranteed normally carrying out of central office service, and can avoid in the prior art having reduced the load of NGN server owing to adopting the NGN server to realize the problem that the load of the NGN server that central office service causes increases.
The schematic flow sheet of the implementation method of the central office service that Fig. 3 provides for the embodiment of the invention three, present embodiment is applicable to IMS.In the present embodiment, terminal A, terminal B and terminal C are registered on the NGN server, and wherein, terminal A is the equipment under the IAD, as total machine equipment, and dispose the ECT function; Terminal B is the equipment under the gateway device 1; Terminal C is the equipment under the gateway device 2, as extension facility.As shown in Figure 3, the implementation method of the central office service of present embodiment can may further comprise the steps:
Step 301, terminal B send to the IMS server and invite (Invite) request message, comprise the host identification (being the telephone number of terminal A) of terminal A in the above-mentioned invite request message;
Step 302, IMS server send above-mentioned invite request message to IAD;
So far, by step 301～step 306, the terminal B under the gateway device 1 calls out the terminal A under the IAD, and connects.
The user of step 308, terminal B is by the extension identities (being the extension of terminal C) of the input keyboard input terminal C of terminal B;
Step 320, IMS server send acknowledge message to terminal C;
Step 326, IMS server send acknowledge message to terminal C;
Step 327, terminal B and terminal C converse.
So far, when IP packet network butt joint IMS, on IAD, realize central office service.
In the present embodiment, IAD receives after the invite request message that identifies from the exchange that sets in advance comprising of calling terminal, by sending to above-mentioned calling terminal and above-mentioned exchange sign corresponding prompt message, make that above-mentioned IAD can be according to the extension identities of the above-mentioned terminal called that obtains, the calling transfer that above-mentioned invite request message is triggered by the IMS server is to above-mentioned terminal called, thereby realized that the conversation between calling terminal and the terminal called (extension facility) is a central office service, guaranteed normally carrying out of central office service.
Need to prove: for aforesaid each method embodiment, for simple description, so it all is expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not subjected to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, do not have the part that describes in detail among certain embodiment, can be referring to the associated description of other embodiment.
One structural representation of the gateway device that Fig. 4 provides for the embodiment of the invention four, as shown in Figure 4, the gateway device of present embodiment can comprise receiver module 41, reminding module 42 and shift module 43.Wherein, receiver module 41 is used to receive the invite request message from calling terminal, comprises the exchange sign that sets in advance in the above-mentioned invite request message; Reminding module 42 is used for according to above-mentioned exchange sign, sends and above-mentioned exchange sign corresponding prompt message to above-mentioned calling terminal, provides the extension identities of terminal called in order to point out above-mentioned calling terminal; Shift module 43 is used for the extension identities according to the above-mentioned terminal called that obtains, the calling transfer that the above-mentioned invite request message that receiver module 41 is received by sip server triggers is to above-mentioned terminal called, so that above-mentioned calling terminal and above-mentioned terminal called are conversed.
The gateway device that the function of IAD all can be provided by the embodiment of the invention in the gateway device, two and three among the invention described above embodiment one is realized.
Further, as shown in Figure 5, the gateway device of present embodiment can further include Registering modules 51, can be used to utilize the exchange sign that sets in advance, register to above-mentioned sip server, so that receiver module 41 is by the invite request message of above-mentioned sip server reception from calling terminal, and can also be used to indicate the above-mentioned sip server configuration terminal corresponding to have the ECT function with above-mentioned exchange sign, so that the calling transfer that the above-mentioned invite request message that shift module 43 receives receiver module 41 by sip server triggers is to above-mentioned terminal called.
Particularly, the shift module 43 in the present embodiment specifically can utilize the ECT function according to the extension identities of the above-mentioned terminal called that obtains, and the calling transfer that above-mentioned invite request message is triggered by sip server is to above-mentioned terminal called.
Alternatively, the above-mentioned sip server in the present embodiment can be the NGN server, can also be the IMS server.
Alternatively, shift module 43 in the present embodiment specifically can be according to the extension identities of the above-mentioned terminal called that obtains, send the informational message of the extension identities that comprises above-mentioned terminal called to above-mentioned NGN server so that above-mentioned NGN server with above-mentioned calling transfer to above-mentioned terminal called; Perhaps can also be according to the extension identities of the above-mentioned terminal called that obtains, send the invite request message of the extension identities that comprises above-mentioned terminal called to above-mentioned IMS server so that above-mentioned IMS server with above-mentioned calling transfer to above-mentioned terminal called.
In the present embodiment, the receiver module of gateway device receives after the invite request message that identifies from the exchange that sets in advance comprising of calling terminal, send and above-mentioned exchange sign corresponding prompt message to above-mentioned calling terminal by reminding module, make that shift module can be according to the extension identities of the above-mentioned terminal called that obtains, the calling transfer that above-mentioned invite request message is triggered by sip server is to above-mentioned terminal called, thereby realized that the conversation between calling terminal and the terminal called (extension facility) is a central office service, guaranteed normally carrying out of central office service, and can avoid in the prior art having reduced the load of sip server owing to adopting sip server to realize the problem that the load of the sip server that central office service causes increases.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the implementation method of a central office service is characterized in that, comprising:
Gateway device receives the invite request message from calling terminal, comprises the exchange sign that sets in advance in the described invite request message;
Described gateway device identifies according to described exchange, sends and described exchange sign corresponding prompt message to described calling terminal, provides the extension identities of terminal called in order to point out described calling terminal;
Described gateway device is according to the extension identities of the described terminal called that obtains, and the calling transfer that described invite request message is triggered by the session initiation protocol sip server is to described terminal called, so that described calling terminal and described terminal called are conversed.
2. method according to claim 1 is characterized in that, described gateway device receives the invite request message from calling terminal, also comprises before:
The exchange sign that described gateway device utilization sets in advance is registered to described sip server, and indicates the described sip server configuration terminal corresponding with described exchange sign to have calling transfer ECT function.
3. method according to claim 2 is characterized in that, described gateway device is according to the extension identities of the described terminal called that obtains, and the calling transfer that described invite request message is triggered by sip server comprises to described terminal called:
Described gateway device utilizes described ECT function according to the extension identities of the described terminal called that obtains, and the calling transfer that described invite request message is triggered by sip server is to described terminal called.
4. method according to claim 3, it is characterized in that described gateway device utilizes described ECT function according to the extension identities of the described terminal called that obtains, the calling transfer that described invite request message is triggered by sip server comprises to described terminal called:
Described gateway device is according to the extension identities of the described terminal called that obtains, and sends the informational message of the extension identities that comprises described terminal called to described sip server so that described sip server with described calling transfer to described terminal called; Perhaps
Described gateway device is according to the extension identities of the described terminal called that obtains, and sends the invite request message of the extension identities that comprises described terminal called to described sip server so that described sip server with described calling transfer to described terminal called.
5. according to the described method of the arbitrary claim of claim 1 to 4, it is characterized in that described sip server comprises next generation network NGN server or IP Multimedia System IMS server.
6. a gateway device is characterized in that, comprising:
Receiver module is used to receive the invite request message from calling terminal, comprises the exchange sign that sets in advance in the described invite request message;
Reminding module is used for according to described exchange sign, sends and described exchange sign corresponding prompt message to described calling terminal, provides the extension identities of terminal called in order to point out described calling terminal;
Shift module is used for the extension identities according to the described terminal called that obtains, and the calling transfer that described invite request message is triggered by the session initiation protocol sip server is to described terminal called, so that described calling terminal and described terminal called are conversed.
7. gateway device according to claim 6 is characterized in that, also comprises being used for Registering modules
The exchange sign that utilization sets in advance is registered to described sip server, and indicates the described sip server configuration terminal corresponding with described exchange sign to have calling transfer ECT function.
8. gateway device according to claim 7 is characterized in that described shift module specifically is used for
According to the extension identities of the described terminal called that obtains, utilize described ECT function, the calling transfer that described invite request message is triggered by sip server is to described terminal called.
9. gateway device according to claim 8 is characterized in that described shift module specifically is used for
According to the extension identities of the described terminal called that obtains, send the informational message of the extension identities that comprises described terminal called to described sip server so that described sip server with described calling transfer to described terminal called; Perhaps
According to the extension identities of the described terminal called that obtains, send the invite request message of the extension identities that comprises described terminal called to described sip server so that described sip server with described calling transfer to described terminal called.
10. according to the described gateway device of the arbitrary claim of claim 6 to 9, it is characterized in that described sip server comprises next generation network NGN server or IP Multimedia System IMS server.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110069264.9A CN102137198B (en) | 2011-03-22 | 2011-03-22 | Method for realizing private branch exchange service and gateway equipment |
| PCT/CN2012/072812 WO2012126382A1 (en) | 2011-03-22 | 2012-03-22 | Method for implementing main exchange service and gateway apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110069264.9A CN102137198B (en) | 2011-03-22 | 2011-03-22 | Method for realizing private branch exchange service and gateway equipment |
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| Publication Number | Publication Date |
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| CN102137198A true CN102137198A (en) | 2011-07-27 |
| CN102137198B CN102137198B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110069264.9A Expired - Fee Related CN102137198B (en) | 2011-03-22 | 2011-03-22 | Method for realizing private branch exchange service and gateway equipment |
Country Status (2)
| Country | Link |
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| CN (1) | CN102137198B (en) |
| WO (1) | WO2012126382A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126382A1 (en) * | 2011-03-22 | 2012-09-27 | 华为技术有限公司 | Method for implementing main exchange service and gateway apparatus |
| CN102904872A (en) * | 2012-08-17 | 2013-01-30 | 苏州洲际传书信息科技有限公司 | Communication method and communication system |
| CN104320550A (en) * | 2014-11-21 | 2015-01-28 | 陈宗兵 | Method and system of hinting interface auxiliary response to intelligent terminal calling |
| CN108270725A (en) * | 2016-12-30 | 2018-07-10 | 中兴通讯股份有限公司 | The forwarding method and device of a kind of sip terminal |
| CN109088846A (en) * | 2017-06-14 | 2018-12-25 | 展讯通信（上海）有限公司 | Data transmission set and transmission method, electronic equipment |
| CN109428757A (en) * | 2017-08-31 | 2019-03-05 | 腾讯科技（深圳）有限公司 | Information processing method, device, equipment and computer storage medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114827099B (en) * | 2022-04-14 | 2023-10-31 | 厦门亿联网络技术股份有限公司 | Internally-connected call method and system based on VoIP communication |
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| CN1592269A (en) * | 2003-09-04 | 2005-03-09 | 华为技术有限公司 | Method for realizing service extending of integrated access apparatus and its apparatus |
| CN1716948A (en) * | 2004-06-28 | 2006-01-04 | 福亿通讯股份有限公司 | Network telephone gateway communication protocol |
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| CN100551094C (en) * | 2004-08-31 | 2009-10-14 | 华为技术有限公司 | Realize the method for group switchboard business |
| JP4348270B2 (en) * | 2004-10-05 | 2009-10-21 | パナソニック株式会社 | SIP server |
| CN101742010B (en) * | 2008-11-27 | 2015-11-25 | 财团法人资讯工业策进会 | A network-extension is made to dial method and the device of a traditional extension |
| CN102137198B (en) * | 2011-03-22 | 2015-01-21 | 华为技术有限公司 | Method for realizing private branch exchange service and gateway equipment |
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2011
- 2011-03-22 CN CN201110069264.9A patent/CN102137198B/en not_active Expired - Fee Related
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2012
- 2012-03-22 WO PCT/CN2012/072812 patent/WO2012126382A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1592269A (en) * | 2003-09-04 | 2005-03-09 | 华为技术有限公司 | Method for realizing service extending of integrated access apparatus and its apparatus |
| CN1716948A (en) * | 2004-06-28 | 2006-01-04 | 福亿通讯股份有限公司 | Network telephone gateway communication protocol |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126382A1 (en) * | 2011-03-22 | 2012-09-27 | 华为技术有限公司 | Method for implementing main exchange service and gateway apparatus |
| CN102904872A (en) * | 2012-08-17 | 2013-01-30 | 苏州洲际传书信息科技有限公司 | Communication method and communication system |
| CN102904872B (en) * | 2012-08-17 | 2015-08-26 | 苏州洲际传书信息科技有限公司 | Communication means and communication system |
| CN104320550A (en) * | 2014-11-21 | 2015-01-28 | 陈宗兵 | Method and system of hinting interface auxiliary response to intelligent terminal calling |
| CN104320550B (en) * | 2014-11-21 | 2017-09-22 | 陈宗兵 | A kind of intelligent terminal calls the method and system of aid prompting interface response |
| CN108270725A (en) * | 2016-12-30 | 2018-07-10 | 中兴通讯股份有限公司 | The forwarding method and device of a kind of sip terminal |
| CN109088846A (en) * | 2017-06-14 | 2018-12-25 | 展讯通信（上海）有限公司 | Data transmission set and transmission method, electronic equipment |
| CN109428757A (en) * | 2017-08-31 | 2019-03-05 | 腾讯科技（深圳）有限公司 | Information processing method, device, equipment and computer storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102137198B (en) | 2015-01-21 |
| WO2012126382A1 (en) | 2012-09-27 |
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