CN101197888A - Method and system for implementing hang-up selection when non-intelligent SIP terminal call waiting - Google Patents
Method and system for implementing hang-up selection when non-intelligent SIP terminal call waiting Download PDFInfo
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- CN101197888A CN101197888A CNA2008100556661A CN200810055666A CN101197888A CN 101197888 A CN101197888 A CN 101197888A CN A2008100556661 A CNA2008100556661 A CN A2008100556661A CN 200810055666 A CN200810055666 A CN 200810055666A CN 101197888 A CN101197888 A CN 101197888A
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Abstract
The invention discloses a method for realizing to select on-hook of non-intelligent SIP terminal call waiting. When a non-intelligent SIP terminal and two SIP terminals which have calling relations with the non-intelligent SIP terminal enter the call waiting service, the first SIP terminal waits, the second SIP terminal is communicated with the non-intelligent SIP terminal, the procedures comprise that: Step one, the non-intelligent SIP terminal is on hook and finishes the communication with the second SIP terminal which is currently communicated with the non-intelligent SIP terminal; Step two, the non-intelligent SIP terminal rings; Step three, the non-intelligent SIP terminal is off hook and restores the communication with the first SIP terminal which is on hook, thereby taking advantage of the prior SIP signaling technology to ensure that the non-intelligent SIP terminal can make an on-hook to one user and make a single-party communication with the other user when the non-intelligent SIP terminal is taken as the master of call waiting service.
Description
Technical field
The present invention relates to VoIP (Voice over Internet Protocol, voice over IP transmission) field, relate in particular to a kind of realization non-intelligent SIP (Session Initial Protocol, Session initiation Protocol) terminal call waiting and select the method and system of on-hook.
Background technology
Current voip technology has been widely used in the communications field, sip technique utilizes the Internet to carry out voice transfer, than traditional PSTN (Public Switched Telephone Network, PSTN), on networking cost, has great price advantage, and fully excavated the effect of data communication network (the Internet), be more suitable for opening up new operation area in telecom operators.
Session Initiation Protocol has obtained development fast in recent years.Transition scheme of next generation network (unified communication plan) and next generation network communication scheme are all studied and are designed based on Session Initiation Protocol.Session Initiation Protocol has become the star of VoIP industry.
Because Session Initiation Protocol self is present in the VoIP of using SIP agreement networking plan, a part of lightweight business---as call waiting, realize in SIP UA (SIP phone terminal) side.Present SIP UA is divided into intelligent SIP UA and non-intelligent SIP UA (similar conventional telephone set) according to its functional characteristics.Intelligence SIP UA as intelligent SIP mobile phone, can provide the visualized operation interface for the user, has made things convenient for the user to select operations such as conversation as the master control side of call waiting.But.The cost of intelligence SIPUA is higher relatively, and the non-intelligent SIP UA of similar conventional telephone set, usually pass through FXS (Foreign Exchange Station with traditional telephone set, user's analog junction) is connected, more intelligent SIP UA is lower for equipment cost, and more meets the use habit of traditional telephone users.When but the user uses non-intelligent SIP UA as the master control side of call waiting, owing to there is not the visualized operation interface, be not easy to select the operation of conversing.Fig. 1 is the message flow chart of a large amount of in the world SIP Call Waiting schemes of using now, and detailed process is as follows:
Conversation before sip terminal A and the sip terminal B is set up.
Flow process 1 starts call waiting,
Step S101, this moment, sip terminal C sent INVITE (invitation message) calling SIP terminal A, and message is transmitted via sip server;
Step S102, sip terminal A respond 100 Trying (trial message) and give sip terminal C;
Step S103, sip terminal A plays call waiting tone;
Step S104, sip terminal A send 180 Ringing (ALERTING message) or 183 SessionProgress message (message is carried out in session) are given sip terminal C, starts to this call waiting;
Flow process 2 switch calls (hang up current talking to end subscriber, switch call user) to new incoming call,
Step S105, user's hooking, sip terminal A send INVITE to sip terminal B, and the medium property of the SDP that wherein carries (Session Description Protocol, media description agreement) is INACTIVE (unactivated state), hangs up sip terminal B;
Step S106, sip terminal B reply 200 OK (response message) and give sip terminal A, and the conversation of sip terminal A and sip terminal B is suspended;
Step S107, sip terminal A send 200 OK to sip terminal C;
Step S108, sip terminal C reply the ACK message (acknowledge message) of 200 OK correspondences and give sip terminal A, set up to the conversation between this sip terminal A and the sip terminal C, have finished to call out and have switched;
Flow process 3 terminated call latency services (master control side user on-hook),
Step S109, master control side user on-hook, sip terminal A sends BYE message (end) and gives sip terminal B, finishes the conversation of sip terminal A and sip terminal B;
Step S110, sip terminal A send BYE message to sip terminal C, and the conversation of sip terminal A and sip terminal C finishes to this call waiting, and two-way is called out all and finished;
Flow process 4 terminated call latency services (participant user on-hook),
Step S111, participant user C on-hook, sip terminal C sends BYE message to sip terminal A, finishes the conversation of sip terminal C and sip terminal A;
Step S112, sip terminal A send INVITE to sip terminal B, and the medium property of the SDP that wherein carries is Send/Receive (receive and send out, the Receive breviary is Recv.), the conversation that recovers sip terminal A and sip terminal B;
Step S113, sip terminal B reply 200 OK message and give sip terminal A, recover the conversation of sip terminal A and sip terminal B, finish to this call waiting, and the end of calling of sip terminal A and sip terminal C, sip terminal A and sip terminal B continue conversation.
The handling process of sip terminal B on-hook is identical with flow process 4.
In flow process 3, terminated call latency services (main controlling user on-hook), when master control side user on-hook, sip terminal A can only discharge sip terminal B and sip terminal C, cause the user can't finish selectively one the conversation and enter conversation with the opposing party.
Summary of the invention
For addressing the above problem, the invention provides the method and system of realizing hang-up selection when non-intelligent SIP terminal call waiting, its purpose is, utilize existing SIP signaling technology, when making non-intelligent SIP UA as the master control side of call waiting, can carry out on-hook to a user, and carry out single-party call with another user.
The invention discloses a kind of method that realizes hang-up selection when non-intelligent SIP terminal call waiting, when having two sip terminals of the relation of calling to enter in the call waiting at non-intelligent SIP terminal with it, first sip terminal is waited for, second sip terminal and the conversation of described non-intelligent SIP terminal comprise:
Step 1 with described non-intelligent SIP terminal on-hook, finishes with the conversation between second sip terminal of current talking;
Step 2, described non-intelligent SIP terminal ring;
Step 3 with described non-intelligent SIP terminal off-hook, is recovered with the conversation between first sip terminal that is suspended.
Described call waiting is, when described non-intelligent SIP terminal is conversed with described first sip terminal, described second sip terminal called out described non-intelligent SIP terminal, described non-intelligent SIP terminal switch call is hung up described first sip terminal with described second sip terminal conversation.
Described step 1 comprises that further after described non-intelligent SIP terminal on-hook, described non-intelligent SIP terminal sends end to described second sip terminal, to finish with the conversation between described second sip terminal.
Described step 3 further comprises, with described non-intelligent SIP terminal off-hook, described non-intelligent SIP terminal sends message request to described first sip terminal, reply response message after described first sip terminal receives described message request, thereby described non-intelligent SIP terminal is resumed with the conversation between described first sip terminal.
The invention also discloses a kind of system that realizes hang-up selection when non-intelligent SIP terminal call waiting, comprise IP network, non-intelligent SIP terminal, two sip terminals, be used for calling out respectively described non-intelligent SIP terminal, described non-intelligent SIP terminal, when being used for having two sip terminals of the relation of calling out to enter call waiting at described non-intelligent SIP terminal with it, after by on-hook, end is with the conversation between second sip terminal of current talking, carry out ring, after by off-hook, recover with the conversation between described first sip terminal that is suspended.
Described call waiting is, when described non-intelligent SIP terminal is conversed with first sip terminal, second sip terminal called out described non-intelligent SIP terminal, and described non-intelligent SIP terminal switch call is hung up described first sip terminal with described second sip terminal conversation.
Described non-intelligent SIP terminal is further used for, and after by on-hook, sends end to described second sip terminal, to finish with the conversation between described second sip terminal.
Described non-intelligent SIP terminal is further used for, and after by off-hook, sends message request to described first sip terminal;
Described first sip terminal is used for, and after receiving described message request, reply response message, thereby described non-intelligent SIP terminal is resumed with the conversation between described first sip terminal.
Beneficial effect of the present invention is, need not to expand Session Initiation Protocol, just can realize that non-intelligent SIP terminal selects on-hook, and, can keep the convenient of call waiting switch call operation owing to need not change the flow process (as flow process among Fig. 1) of user's switch call.
Description of drawings
Fig. 1 is the message flow chart of prior art SIP Call Waiting scheme;
Fig. 2 is a system construction drawing of the present invention;
Fig. 3 is the message flow chart of a preferred embodiment of the present invention.
Embodiment
System of the present invention comprises IP network as shown in Figure 2, non-intelligent SIP terminal, sip terminal B and sip terminal A.Non-intelligent SIP terminal, sip terminal B and sip terminal A communicate by IP network.After non-intelligent SIP terminal has been set up with the conversation between sip terminal A, sip terminal B calls out non-intelligent SIP terminal, and the non-intelligent SIP terminal switch call is hung up sip terminal A with sip terminal B conversation, at this moment, non-intelligent SIP terminal, sip terminal A and sip terminal B enter in the call waiting.
Non-intelligent SIP terminal is used for when entering call waiting, after by on-hook, send end to sip terminal B, finish conversation, carry out ring with sip terminal B, after by off-hook, send message request to sip terminal A, to recover conversation with sip terminal A.
Sip terminal A is used for after receiving described message request, reply response message, thereby described non-intelligent SIP terminal is resumed with the conversation between described sip terminal A.
The information receiving and transmitting flow chart of the inventive method as shown in Figure 3.
Non-intelligent SIP terminal, sip terminal B and sip terminal A communicate by IP network.The prerequisite of implementing the inventive method is, non-intelligent SIP terminal is set up with the basic conversation of sip terminal A, and sip terminal B calls out non-intelligent SIP terminal, non-intelligent SIP terminal switch call and sip terminal B conversation, sip terminal A is hung up, promptly started call waiting.
Step S301, non-intelligent SIP terminal be by user's on-hook, thereby sip terminal A is triggered and sends Bye message (end) and give sip terminal B, to finish the conversation between non-intelligent SIP terminal and sip terminal B;
Step S302 and since non-intelligent SIP terminal also exist one the tunnel with sip terminal A be suspended calling, non-intelligent SIP terminal ring;
Step S303, non-intelligent SIP terminal by user's off-hook after, send INVITE (invitation message) to sip terminal A, the SDP of INVITE (Session Description Protocol, Session Description Protocol) reiving/transmitting state is Send/Receive (receives and send out), to recover with the conversation between sip terminal A;
Step S304, sip terminal A replys 200 OK message (response message) to non-intelligent SIP terminal, and sip terminal A is resumed with conversation between non-intelligent SIP terminal, enters basic conversation.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. method that realizes hang-up selection when non-intelligent SIP terminal call waiting, when having two sip terminals of the relation of calling to enter in the call waiting at non-intelligent SIP terminal with it, first sip terminal is waited for, second sip terminal and the conversation of described non-intelligent SIP terminal, it is characterized in that, comprising:
Step 1 with described non-intelligent SIP terminal on-hook, finishes with the conversation between second sip terminal of current talking;
Step 2, described non-intelligent SIP terminal ring;
Step 3 with described non-intelligent SIP terminal off-hook, is recovered with the conversation between first sip terminal that is suspended.
2. realize the method for hang-up selection when non-intelligent SIP terminal call waiting according to claim 1, it is characterized in that, described call waiting is, when described non-intelligent SIP terminal is conversed with described first sip terminal, described second sip terminal called out described non-intelligent SIP terminal, described non-intelligent SIP terminal switch call is hung up described first sip terminal with described second sip terminal conversation.
3. as the method for realization hang-up selection when non-intelligent SIP terminal call waiting as described in the claim 2, it is characterized in that, described step 1 further comprises, after described non-intelligent SIP terminal on-hook, described non-intelligent SIP terminal sends end to described second sip terminal, to finish with the conversation between described second sip terminal.
4. as the method for realization hang-up selection when non-intelligent SIP terminal call waiting as described in the claim 3, it is characterized in that, described step 3 further comprises, with described non-intelligent SIP terminal off-hook, described non-intelligent SIP terminal sends message request to described first sip terminal, reply response message after described first sip terminal receives described message request, thereby described non-intelligent SIP terminal is resumed with the conversation between described first sip terminal.
5. system that realizes hang-up selection when non-intelligent SIP terminal call waiting, comprise IP network, non-intelligent SIP terminal, two sip terminals, be used for calling out respectively described non-intelligent SIP terminal, it is characterized in that, described non-intelligent SIP terminal, when being used for having two sip terminals of the relation of calling out to enter call waiting at described non-intelligent SIP terminal with it, after by on-hook, finish to carry out ring with the conversation between second sip terminal of current talking, after by off-hook, recover with the conversation between described first sip terminal that is suspended.
6. the system of realization hang-up selection when non-intelligent SIP terminal call waiting as claimed in claim 5, it is characterized in that, described call waiting is, when described non-intelligent SIP terminal is conversed with first sip terminal, second sip terminal called out described non-intelligent SIP terminal, described non-intelligent SIP terminal switch call is hung up described first sip terminal with described second sip terminal conversation.
7. the system of realization hang-up selection when non-intelligent SIP terminal call waiting as claimed in claim 6, it is characterized in that described non-intelligent SIP terminal is further used for, after by on-hook, send end to described second sip terminal, to finish with the conversation between described second sip terminal.
8. the system of realization hang-up selection when non-intelligent SIP terminal call waiting as claimed in claim 7 is characterized in that,
Described non-intelligent SIP terminal is further used for, and after by off-hook, sends message request to described first sip terminal;
Described first sip terminal is used for, and after receiving described message request, reply response message, thereby described non-intelligent SIP terminal is resumed with the conversation between described first sip terminal.
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| CN2008100556661A CN101197888B (en) | 2008-01-04 | 2008-01-04 | Method and system for implementing hang-up selection when non-intelligent SIP terminal call waiting |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102057701A (en) * | 2008-06-12 | 2011-05-11 | 艾利森电话股份有限公司 | Method for achieving a call -waiting functionality in a communication network |
| WO2014190864A1 (en) * | 2013-05-27 | 2014-12-04 | 中兴通讯股份有限公司 | Sip terminal, calling method of same, and voip voice calling method |
| 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 |
-
2008
- 2008-01-04 CN CN2008100556661A patent/CN101197888B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102057701A (en) * | 2008-06-12 | 2011-05-11 | 艾利森电话股份有限公司 | Method for achieving a call -waiting functionality in a communication network |
| CN102057701B (en) * | 2008-06-12 | 2014-06-18 | 艾利森电话股份有限公司 | Method for achieving a call-waiting functionality in a communication network |
| WO2014190864A1 (en) * | 2013-05-27 | 2014-12-04 | 中兴通讯股份有限公司 | Sip terminal, calling method of same, and voip voice calling method |
| 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 |
| CN108270725B (en) * | 2016-12-30 | 2021-10-01 | 中兴通讯股份有限公司 | Switching method and device of SIP terminal |
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| Publication number | Publication date |
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| CN101197888B (en) | 2011-04-06 |
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