CN101068238A - Method and system for messaging between public exchange telephone network terminal and immediate communication terminal - Google Patents

Method and system for messaging between public exchange telephone network terminal and immediate communication terminal Download PDF

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Publication number
CN101068238A
CN101068238A CN 200610168094 CN200610168094A CN101068238A CN 101068238 A CN101068238 A CN 101068238A CN 200610168094 CN200610168094 CN 200610168094 CN 200610168094 A CN200610168094 A CN 200610168094A CN 101068238 A CN101068238 A CN 101068238A
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instant communication
communication terminal
terminal
pstn
telephone network
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吴文健
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Tencent Technology Shenzhen Co Ltd
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Tencent Technology Shenzhen Co Ltd
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Abstract

A method for making conversation of PSTN terminal to demand communication terminal includes sending logon information to demand communication server by demand communication terminal, sending invitation information to said server by PSTN terminal through soft exchange unit, using said server to send invitation information to said communication terminal assigned by identification information, returning back invitation information to said server by said communication terminal and setting up media stream of conversation between PSTN terminal and said communication terminal. The system used for realizing said method is also disclosed.

Description

Public switch telephone network terminal and instant communication terminal call method and system
Technical field
The present invention relates to the instant messaging field, particularly relate to public switch telephone network phone and instant communication terminal call method and system.
Background technology
Public switch telephone network (PSTN, Public Switched Telephone Network) is a kind of global sound circuit switching network, and current PSTN all adopts digital telephone network, and its terminal comprises landline telephone and mobile phone.Instant messaging is to utilize the Internet and instant communication software to communicate, and instant communication terminal is the terminal that instant communication software is installed.PSTN and instant messaging all have the extremely huge user of quantity, realize conversing between PSTN terminal and the instant communication terminal, can be the user and bring many convenience.
Switch in the PSTN network can be realized conversing with the networking telephone (VOIP, Voice over IP) of IP network by equipment such as soft switch, gateways.Adopt standard agreement to carry out information interaction between PSTN, Softswitch and the VOIP, standard agreement can be Session Initiation Protocol, H323 agreement etc.Therefore, can be in the integrated VOIP function of network instant communication terminal, to realize PSTN terminal and network instant communication terminal call.
Consult Fig. 1, be the signaling process figure of existing PSTN terminal and instant communication terminal call method, concrete steps are as described below.
Step 101, instant communication terminal timed sending log-on message " REGISTER " are to Softswitch, this log-on message comprises identification information, network address information of network instant communication terminal etc., confirm that by the registration Softswitch this instant communication terminal is online at present, Softswitch returns response message " 200 " according to Session Initiation Protocol.
Step 102, PSTN terminal are initiated request and are set up information " SETUP " to Softswitch, and Softswitch returns further call progress information " Call Proceeding ".The identification information that information " SETUP " comprises called instant communication terminal is set up in this request.
Step 103, Softswitch find called instant communication terminal according to identification information, and send message request " INVIT " to instant communication terminal according to the network address of this instant communication terminal, after the instant communication terminal user response, instant communication terminal returns Temporary Response information " 100 " and called shake bell information " 180 ".
Step 104, Softswitch send information " Alerting " to the PSTN terminal; Instant communication terminal sends called off-hook response message " 200 " to Softswitch.
Step 105, Softswitch send link information " Connect " to the PSTN terminal, and echo reply information " ACK " is to instant communication terminal.
Set up the RTP Media Stream between step 106, PSTN terminal and the instant communication terminal, the whole user of instant communication terminal and PSTN is conversed;
When step 107, end conversation, PSTN terminal use on-hook, the PSTN terminal sends release information " Release " to Softswitch, Softswitch sends on-hook information " BYE " to instant communication terminal, instant communication terminal returns on-hook response message " 200 ", Softswitch is transmitted to discharge and is finished information " Release Complete " to the PSTN terminal, finishes to connect.
By above-mentioned steps as can be known, the existing realization in PSTN terminal and the instant communication terminal call flow, instant communication terminal need be timed to the Softswitch registration, Softswitch confirms that this instant communication terminal is online, and know information such as its network address, so that the message request that the PSTN terminal is sent accurately sends to the instant communication terminal of appointment.But, because instant communication terminal online user quantity is very huge, millions of meters, even cross ten million, registration constantly makes the Softswitch overload, in case of necessity also need the cost fund improves the hardware configuration of Softswitch.Therefore existing PSTN terminal and instant communication terminal call method are difficult to utilize existing equipment to be finished, and also need carry out necessary improvement.
At present, also have a considerable amount of instant communication terminal users not use the VOIP function, these instant communication terminals still will constantly be registered to Softswitch, cause the waste of device resource.
Summary of the invention
Technical problem to be solved by this invention provides a kind of public switch telephone network terminal and network instant communication terminal call method and system, can make full use of existing device resource and realize public switch telephone network terminal and network instant communication terminal call, not need existing device resource is transformed.
The call method of a kind of public switch telephone network terminal of the present invention and instant communication terminal comprises: instant communication terminal sends log-on message to instant communication server, and described log-on message comprises the identification information and the network address information of described instant communication terminal; The public switched telephone network (PSTN) terminal sends message request to described instant communication server by Softswitch, and this message request comprises described identification information; Described instant communication server sends the described instant communication terminal of message request to described identification information appointment, and described instant communication terminal returns message request to described instant communication server; Described public switched telephone network (PSTN) terminal and described instant communication terminal are set up the Media Stream of conversing.
Preferably, described instant communication server is pressed proprietary protocol or standard agreement and is sent message request to described instant communication terminal.
Preferably, by following step, described public switched telephone network (PSTN) terminal and described instant communication terminal are set up the Media Stream of conversing: described instant communication server sends sets up successful information to described Softswitch and described instant communication terminal; Described Softswitch connects described public switched telephone network (PSTN) terminal, and returns response message to described instant communication server with described instant communication terminal; Described instant communication server makes described instant communication terminal and described public switched telephone network (PSTN) terminal finish media negotiation, and described public switched telephone network (PSTN) terminal and described instant communication terminal are set up the Media Stream of conversing.
Preferably, described identification information is described instant communication terminal user's a log-on message.
The call method of a kind of public switch telephone network terminal of the present invention and instant communication terminal comprises: instant communication terminal sends message request to instant communication server, and this message request comprises the number information of public switched telephone network (PSTN) terminal; Described instant communication server sends the described public switched telephone network (PSTN) terminal of the information of setting up to described number information appointment by Softswitch; After the described public switched telephone network (PSTN) terminal response, described instant communication terminal and described public switched telephone network (PSTN) terminal are set up the Media Stream of conversing.
Preferably in, by following step, described instant communication terminal and described public switched telephone network (PSTN) terminal are set up the Media Stream of conversing: described Softswitch receives the link information that described public switched telephone network (PSTN) terminal sends, and the response message of described instant communication terminal transmission; Described Softswitch makes described public switched telephone network (PSTN) terminal and described instant communication terminal finish media negotiation, and described instant communication terminal and described public switched telephone network (PSTN) terminal are set up the Media Stream of conversing.
The phone system of a kind of public switch telephone network terminal of the present invention and instant communication terminal is characterized in that, comprising: public switched telephone network (PSTN) terminal, Softswitch, instant communication server, instant communication terminal; Described public switched telephone network (PSTN) terminal is used to send message request to described Softswitch; Described Softswitch is used to transmit message request to described instant communication server; Described instant communication server is used to receive the log-on message of described instant communication terminal; The message request that receives is forwarded to described instant communication terminal, when receiving the message request that described instant communication terminal returns, the Media Stream that described public switched telephone network (PSTN) terminal and the foundation of described instant communication terminal are conversed.Described instant communication terminal is used to send log-on message, is receiving message request and is returning message request.
Preferably, described instant communication server comprises the instant messaging sip server; Described instant messaging sip server, when being used to receive the message request of described Softswitch employing Session Initiation Protocol transmission, adopt Session Initiation Protocol that message request is forwarded to described instant communication terminal, and receive the message request that described instant communication terminal adopts Session Initiation Protocol to return.
Preferably, described instant communication server comprises instant messaging H323 server; Described instant messaging H323 server, when being used to receive the message request of described Softswitch employing H323 agreement transmission, adopt the H323 agreement that message request is forwarded to described instant communication terminal, and receive the message request that described instant communication terminal adopts the H323 agreement to return.
Preferably, described instant communication terminal comprises networking telephone unit; Described networking telephone unit is used to receive message request, and returns message request when response.Compared with prior art, the present invention has the following advantages:
The present invention is when PSTN terminal call instant communication terminal, increase instant communication server and participate in the mutual of information, and receive the log-on message of instant communication terminal by instant communication server, confirm that instant communication terminal is online, and know the network address, identification information etc. of instant communication terminal, and be connected setting up conversation between PSTN terminal and the instant communication terminal by this instant communication server.Like this, Softswitch does not just need to receive the registration of instant communication terminal, has alleviated the load of Softswitch greatly, does not need again Softswitch to be done improvement.
In existing system, instant communication terminal is just regularly registered at instant communication server, to realize the communication between the instant communication terminal.Therefore, the present invention does not need existing instant communication server is done any improvement, makes full use of existing device resource and realizes PSTN terminal and instant communication terminal conversation.
When the present invention calls out the PSTN terminal at instant communication terminal, finish being connected of instant communication terminal and PSTN terminal, a kind of new PSTN terminal and the call method of instant communication terminal are provided by Softswitch.
Description of drawings
Fig. 1 is the signaling process figure of existing PSTN terminal and instant communication terminal call method;
Fig. 2 is PSTN terminal of the present invention and instant communication terminal phone system schematic diagram;
Fig. 3 is the signaling process figure of PSTN terminal of the present invention and instant communication terminal call method one embodiment;
Fig. 4 is the signaling process figure of PSTN terminal of the present invention and another embodiment of instant communication terminal call method;
Fig. 5 is the signaling process figure of PSTN terminal of the present invention and the another embodiment of instant communication terminal call method;
Fig. 6 is the signaling process figure of PSTN terminal of the present invention and the another embodiment of instant communication terminal call method.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Core concept of the present invention is when PSTN terminal call instant communication terminal, increase instant communication server and participate in the mutual of information, and receive the log-on message of instant communication terminal by instant communication server, confirm that instant communication terminal is online, and know the network address, identification information etc. of instant communication terminal, and be connected setting up conversation between PSTN terminal and the instant communication terminal by this instant communication server.
Consult Fig. 2,, comprise PSTN terminal 21, PSTN switch 22, Softswitch 23, instant communication server 24 and instant communication terminal 25 for PSTN terminal of the present invention and instant communication terminal phone system schematic diagram.Instant communication server 24 comprises instant messaging sip server 241, instant messaging H232 protocol server 242, registration management server 243.Instant communication terminal 25 comprises networking telephone unit 251 and registering unit 252.
PSTN terminal 21 can be landline telephone, mobile phone, Personal Handyphone System etc., is connected with PSTN switch 22 by physical telephone line or radio signal.PSTN switch 22 is a PSTN server assembly, and PSTN switch 22 is connected to PSTN terminal 21 according to the identification number of PSTN terminal 21.
PSTN switch 22 is connected with Softswitch 23.Softswitch 23 is responsible for finishing functions such as calling control, resource allocation, protocol processes, route, authentication, charging.Softswitch 23 is also for having the gateway device of identical function.Adopt standard agreement to carry out information interaction between Softswitch 23 and the PSTN switch 22, standard agreement comprises Session Initiation Protocol, H323 agreement etc.
Softswitch 23 is by Internet connection instant communication server 24.Instant communication server is supported the multiple standards agreement.If Softswitch 23 adopts SIP communication protocol, be responsible for carrying out with it information interaction by instant messaging sip server 241; If Softswitch 23 adopts H232 communication protocol, be responsible for carrying out with it information interaction by instant messaging H323 server 242; Registration management server 243 receives the log-on message of instant communication terminal 25.
Instant communication terminal 25 is for computer that instant communication software is installed etc., and the networking telephone unit 251 in the instant communication terminal 25 are responsible for the reception of information and are sent solicited message, and the various standard agreements of this areas are supported in networking telephone unit 251.Registering unit 252 is responsible for sending log-on message to registration management server 243.
Now with PSTN terminal 21 as caller, adopt Session Initiation Protocol to communicate and be example, the application of PSTN terminal 21 of the present invention and instant communication terminal 25 phone systems be described.
PSTN terminal 21 sends solicited message to Softswitch 23 by the PSTN switch during as caller, and this solicited message comprises the identification information of called instant communication terminal 25.
Softswitch 23 is transmitted this information to instant communication server 24.Instant communication server 24 is determined the Session Initiation Protocol that this solicited message is adopted, and receives this solicited message by instant messaging sip server 241, and searches the instant communication terminal 25 of appointment by the identification information that it includes.Because of registering unit 252 timed sending log-on messages in the instant communication terminal 25 to the interior registration management server 243 of instant communication server 24, this log-on message comprises the identification information, network address information of instant communication terminal 25 etc.Therefore, instant messaging sip server 241 can find the instant communication terminal 25 of identification information appointment by registration management server 243, and transmits solicited message.
Transmit solicited message to instant communication terminal 25, can adopt Session Initiation Protocol directly to be sent to instant communication terminal 25 by instant messaging sip server 241; Also can send a privately owned incoming information to registration management server 243, will this privately owned incoming information be sent to the interior networking telephone unit 251 of instant communication terminal 25 by registration management server 243 again by instant messaging sip server 241.
Instant communication terminal 25 users click when connecting, and networking telephone unit 251 returns solicited message to instant messaging sip server 241 by Session Initiation Protocol, and instant messaging sip server 241 returns Temporary Response information.Instant messaging sip server 241 sends called off-hook information to Softswitch 23.Softswitch 23 connects PSTN terminal 21 by PSTN switch 22, and echo reply information is to instant messaging sip server 241.
Instant messaging sip server 241 makes instant communication terminal 25 and PSTN terminal 21 finish media negotiation, and PSTN terminal 21 is set up the Media Stream of conversing with instant communication terminal 25., instant communication terminal 25 users and PSTN terminal 21 users are conversed.
Now with the PSTN terminal as caller, adopt Session Initiation Protocol to communicate, called instant communication terminal response is example, and PSTN terminal of the present invention and instant communication terminal call method are described.Consult Fig. 3, be the signaling process figure of PSTN terminal of the present invention and instant communication terminal call method one embodiment, concrete steps are as described below.
Step 301, instant communication terminal send log-on message to the instant messaging registration management server, and this log-on message comprises identification information, the network address information of instant communication terminal, and the instant messaging registration management server is returned response message.
Identification information can be the digital information, Word message of instant communication terminal registration etc., also can be the unique digital information that is exclusively used in Internet phone-calling.
Step 302, PSTN terminal send request and set up information " SETUP " to Softswitch, and Softswitch returns further call progress information " Call Proceeding "; Softswitch sends message request " INVIT " to the instant messaging sip server, and the instant messaging sip server returns Temporary Response information " 100 ",
This message request " INVIT " comprises the identification information of specifying called instant communication terminal.
Step 303, instant messaging sip server send privately owned incoming call solicited message to registration management server, registration management server finds the instant communication terminal of appointment according to identification information, and transmits privately owned incoming information to this instant communication terminal according to its network address information.
Step 304, instant messaging sip server return called shake bell information " 180 " to Softswitch, and Softswitch sends information " Alerting " to the PSTN terminal.
After user's response of step 305, instant communication terminal, instant communication terminal sends message request " INVITE " to the instant messaging sip server, and the instant messaging sip server returns Temporary Response information " 100 ".
Step 306, instant messaging sip server send called off-hook information " 200 " to instant communication terminal and Softswitch.
Step 307, Softswitch send link information " Connect " to the PSTN terminal, and echo reply information " ACK " is to the instant messaging sip server, and instant communication terminal echo reply information " ACK " is to the instant messaging sip server;
Step 308, instant messaging sip server make instant communication terminal and PSTN terminal finish media negotiation, set up the RTP Media Stream between PSTN terminal and the instant communication terminal, and PSTN terminal and instant communication terminal user are conversed;
Step 309, behind the end of conversation, PSTN terminal use on-hook, the PSTN terminal sends release information " Release " to Softswitch, Softswitch sends on-hook information " BYE " to the instant messaging sip server, the instant messaging sip server is forwarded to instant communication terminal with on-hook information " BYE ", instant communication terminal returns on-hook response message " 200 ", the instant messaging sip server is sent to Softswitch with on-hook response message " 200 " again, Softswitch is transmitted to discharge and is finished information " Release Complete " to the PSTN terminal, finishes to connect.
In above-mentioned steps 303, the instant messaging sip server can obtain the network address of the instant communication terminal of identification information appointment at the registration management server place, directly sends message request " INVITE " to instant communication terminal.
As the not response of called instant communication terminal, then flow process such as Fig. 4 are the signaling process figure of PSTN terminal of the present invention and another embodiment of instant communication terminal call method, and concrete steps are as described below.
Step 401, instant communication terminal send log-on message to the instant messaging registration management server, and this log-on message comprises identification information, the network address information of instant communication terminal, and the instant messaging registration management server is returned response message.
Identification information can be the digital information, Word message of instant communication terminal registration etc., also can be the unique digital information that is exclusively used in Internet phone-calling.
Step 402, PSTN terminal send request and set up information " SETUP " to Softswitch, and Softswitch returns further call progress information " Call Proceeding "; Softswitch sends message request " INVITE " to the instant messaging sip server, and the instant messaging sip server returns Temporary Response information " 100 ".
This solicited message " INVITE " comprises the identification information of specifying called instant communication terminal.
Step 403, instant messaging sip server send privately owned incoming call solicited message to registration management server, registration management server finds the instant communication terminal of appointment according to identification information, and transmits privately owned incoming information to this instant communication terminal according to its network address information.
Step 404, instant messaging sip server return called shake bell information " 180 " to Softswitch, and Softswitch sends information " Alerting " to the PSTN terminal.
Behind user's refusal of step 405, instant communication terminal, instant communication terminal sends refusal information to registration management server, and registration management server is returned interim refusal information to the instant messaging sip server.
Step 406, instant messaging sip server send called refusal information " 601 " to Softswitch, and Softswitch sends release information " Release " to the PSTN terminal, and send response message " ACK " to the instant messaging sip server.
Step 407, PSTN terminal are returned the information " Release Complete " of finishing that discharges.
Now with the PSTN terminal as caller, adopt the H323 agreement to communicate, called instant communication terminal response is example, and PSTN terminal of the present invention and instant communication terminal call method are described.Consult Fig. 5, be the signaling process figure of PSTN terminal of the present invention and the another embodiment of instant communication terminal call method, concrete steps are as described below.
Step 501, instant communication terminal send log-on message to the instant messaging registration management server, and this log-on message comprises identification information, the network address information of instant communication terminal, and the instant messaging registration management server is returned response message.
Identification information can be the digital information, Word message of instant communication terminal registration etc., also can be the unique digital information that is exclusively used in Internet phone-calling.
Step 502, PSTN terminal send request and set up information " SETUP " to Softswitch, return further call progress information " Call Proceeding "; Softswitch sends request and sets up information " SETUP " to instant messaging H323 server, and instant messaging H323 server returns further call progress information " CallProceeding ".
This request is set up information " SETUP " and is comprised the identification information of specifying called instant communication terminal.
Step 503, instant messaging H323 server send privately owned incoming call solicited message to registration management server, registration management server finds the instant communication terminal of appointment according to identification information, and transmits privately owned incoming information to this instant communication terminal according to its network address information.
Step 504, instant messaging H323 server return information " Alerting " to Softswitch, and Softswitch sends information " Alerting " to the PSTN terminal.
After user's response of step 505, instant communication terminal, instant communication terminal sends request and sets up information " SETUP " to instant messaging H323 server, and instant messaging H323 server returns further call progress information " Call Proceeding ".
Step 506, instant messaging H323 server send link information " Connect " to instant communication terminal and Softswitch; Softswitch sends link information " Connect " to the PSTN terminal.
Step 507, instant messaging H323 server make instant communication terminal and PSTN terminal finish media negotiation, set up the RTP Media Stream between PSTN terminal and the instant communication terminal, and PSTN terminal and instant communication terminal user are conversed;
Step 508, behind the end of conversation, PSTN terminal use on-hook, the PSTN terminal sends release information " Release " to Softswitch, Softswitch sends release information " Release " to instant messaging H323 server, instant messaging H323 server will discharge information " Release " and be forwarded to instant communication terminal, instant communication terminal returns the information " Release Complete " of finishing that discharges, instant messaging H323 server is finished release information " Release Complete " again and is sent to Softswitch, Softswitch is transmitted to discharge and is finished information " Release Complete " to the PSTN terminal, finishes to connect.
Now with instant communication terminal as caller, adopt Session Initiation Protocol to communicate, called PSTN terminal response is an example, and PSTN terminal of the present invention and instant communication terminal call method are described.Consult Fig. 6, be the signaling process figure of PSTN terminal of the present invention and the another embodiment of instant communication terminal call method, concrete steps are as described below.
Step 601, instant communication terminal send message request " INVITE " to the instant messaging sip server, and the instant messaging sip server returns Temporary Response information " 100 " to instant communication terminal.
This message request " INVITE " comprises the number information of specifying called PSTN terminal.
Step 602, instant messaging sip server send message request " INVITE " to Softswitch, Softswitch returns Temporary Response information " 100 ", the request that sends is again set up information " SETUP " to the PSTN terminal, and the PSTN terminal is returned further call progress information " Call Proceeding " and information " Alerting ".
Step 603, Softswitch return called shake bell information " 180 " to the instant messaging sip server, and the instant messaging sip server is transmitted called shake bell information " 180 " instant communication terminal.
Step 604, PSTN terminal send link information " Connect " to Softswitch, and Softswitch is transmitted called off-hook information " 200 " to the instant messaging sip server, and the instant messaging sip server is transmitted off-hook information " 200 " to instant communication terminal.
Step 605, instant communication terminal echo reply information " ACK " are to the instant messaging sip server, and the instant messaging sip server is transmitted response message " ACK " to Softswitch.
Step 606, Softswitch make instant communication terminal and PSTN terminal finish media negotiation, set up the RTP Media Stream between PSTN terminal and the instant communication terminal, and PSTN terminal and instant communication terminal user are conversed;
Step 607, behind the end of conversation, PSTN terminal use on-hook, the PSTN terminal sends release information " Release " to Softswitch, Softswitch sends on-hook information " BYE " to the instant messaging sip server, the instant messaging sip server is forwarded to instant communication terminal with on-hook information " BYE ", instant communication terminal returns on-hook response message " 200 ", the instant messaging sip server is sent to Softswitch with on-hook response message " 200 " again, Softswitch is transmitted to discharge and is finished information " Release Complete " to the PSTN terminal, finishes to connect.
More than to a kind of PSTN terminal provided by the present invention and instant communication terminal call method and system, be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (10)

1, the call method of a kind of public switch telephone network terminal and instant communication terminal is characterized in that, comprising:
Instant communication terminal sends log-on message to instant communication server, and described log-on message comprises the identification information and the network address information of described instant communication terminal;
The public switched telephone network (PSTN) terminal sends message request to described instant communication server by Softswitch, and this message request comprises described identification information;
Described instant communication server sends the described instant communication terminal of message request to described identification information appointment, and described instant communication terminal returns message request to described instant communication server;
Described public switched telephone network (PSTN) terminal and described instant communication terminal are set up the Media Stream of conversing.
2, method according to claim 1 is characterized in that, described instant communication server presses proprietary protocol or standard agreement sends message request to described instant communication terminal.
3, method according to claim 1 is characterized in that, by following step, described public switched telephone network (PSTN) terminal and described instant communication terminal are set up the Media Stream of conversing:
Described instant communication server sends sets up successful information to described Softswitch and described instant communication terminal;
Described Softswitch connects described public switched telephone network (PSTN) terminal, and returns response message to described instant communication server with described instant communication terminal;
Described instant communication server makes described instant communication terminal and described public switched telephone network (PSTN) terminal finish media negotiation, and described public switched telephone network (PSTN) terminal and described instant communication terminal are set up the Media Stream of conversing.
According to claim 1,2 or 3 described methods, it is characterized in that 4, described identification information is described instant communication terminal user's a log-on message.
5, the call method of a kind of public switch telephone network terminal and instant communication terminal is characterized in that, comprising:
Instant communication terminal sends message request to instant communication server, and this message request comprises the number information of public switched telephone network (PSTN) terminal;
Described instant communication server sends the described public switched telephone network (PSTN) terminal of the information of setting up to described number information appointment by Softswitch;
After the described public switched telephone network (PSTN) terminal response, described instant communication terminal and described public switched telephone network (PSTN) terminal are set up the Media Stream of conversing.
6, method according to claim 5 is characterized in that, by following step, described instant communication terminal and described public switched telephone network (PSTN) terminal are set up the Media Stream of conversing:
Described Softswitch receives the link information that described public switched telephone network (PSTN) terminal sends, and the response message of described instant communication terminal transmission;
Described Softswitch makes described public switched telephone network (PSTN) terminal and described instant communication terminal finish media negotiation, and described instant communication terminal and described public switched telephone network (PSTN) terminal are set up the Media Stream of conversing.
7, the phone system of a kind of public switch telephone network terminal and instant communication terminal is characterized in that, comprising: public switched telephone network (PSTN) terminal, Softswitch, instant communication server, instant communication terminal;
Described public switched telephone network (PSTN) terminal is used to send message request to described Softswitch;
Described Softswitch is used to transmit message request to described instant communication server;
Described instant communication server is used to receive the log-on message of described instant communication terminal; The message request that receives is forwarded to described instant communication terminal, when receiving the message request that described instant communication terminal returns, the Media Stream that described public switched telephone network (PSTN) terminal and the foundation of described instant communication terminal are conversed.
Described instant communication terminal is used to send log-on message, is receiving message request and is returning message request.
8, system according to claim 7 is characterized in that, described instant communication server comprises the instant messaging sip server;
Described instant messaging sip server, when being used to receive the message request of described Softswitch employing Session Initiation Protocol transmission, adopt Session Initiation Protocol that message request is forwarded to described instant communication terminal, and receive the message request that described instant communication terminal adopts Session Initiation Protocol to return.
9, system according to claim 7 is characterized in that, described instant communication server comprises instant messaging H323 server;
Described instant messaging H323 server, when being used to receive the message request of described Softswitch employing H323 agreement transmission, adopt the H323 agreement that message request is forwarded to described instant communication terminal, and receive the message request that described instant communication terminal adopts the H323 agreement to return.
10, according to claim 7,8 or 9 described systems, it is characterized in that described instant communication terminal comprises networking telephone unit;
Described networking telephone unit is used to receive message request, and returns message request when response.
CN 200610168094 2006-12-18 2006-12-18 Method and system for messaging between public exchange telephone network terminal and immediate communication terminal Pending CN101068238A (en)

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CN102572146A (en) * 2011-12-30 2012-07-11 华中科技大学 Method for communication between session initiation protocol (SIP) client and mobile phone in voice over Internet protocol (VoIP) system
CN104601552A (en) * 2014-12-25 2015-05-06 海能达通信股份有限公司 Communication method between private network wireless systems, IP enterprise switch and call terminal
CN105656915A (en) * 2016-01-29 2016-06-08 腾讯科技（深圳）有限公司 Immediate communication method, device and system
CN107767146A (en) * 2016-08-15 2018-03-06 平安银行股份有限公司 Processing method, device and the terminal device of favor information
CN109728994A (en) * 2017-10-27 2019-05-07 腾讯科技（深圳）有限公司 Call method, device and computer readable storage medium
WO2020015534A1 (en) * 2018-07-17 2020-01-23 奇酷互联网络科技（深圳）有限公司 Mobile terminal, and method and device for realizing instant communication with fixed terminal

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CN102143517A (en) * 2010-02-02 2011-08-03 展讯通信（上海）有限公司 Terminal response calling method and terminal equipment
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