CN101867577A

CN101867577A - SIP-based recording control method and system and media server

Info

Publication number: CN101867577A
Application number: CN201010193252A
Authority: CN
Inventors: 刘坤; 罗会平
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2010-06-01
Filing date: 2010-06-01
Publication date: 2010-10-20
Also published as: WO2011150694A1

Abstract

The invention discloses an SIP-based recording control method and system and a media server (MS), belonging to the communication field. The method comprises the following steps: the MS starts recording and receives the key indication of the user; and the MS determines the control corresponding to the key indication according to the control key information received from an application server (AS) in advance and executes the control corresponding to the key indication on recording. The invention solves the problem that the recording service function is single in the related arts, improves the operability of recording and enhances the experience of the users.

Description

Recording control method, system and media server based on SIP

Technical field

The present invention relates to the communications field, in particular to a kind of recording control method, system and media server based on SIP (SessionInitiation Protocol, session initiation protocol).

Background technology

In the sound-recording business based on the control signaling of SIP among traditional IMS (IP Multimedia System) or the NGN (next generation network), only realized basic sound-recording function, because AS (Application Server, application server) control signaling and MS (MediaServer, media server) limitation of function, can not realize carrying out the function of basic controlling for the recording Streaming Media, such as simple time-out, recover, function such as restart, caused the sound-recording business function singleness like this, operability and user experience are not strong.

Summary of the invention

Main purpose of the present invention is to provide a kind of recording control method based on SIP, system and media server, one of to address the above problem at least.

According to an aspect of the present invention, provide a kind of recording control method based on SIP, having comprised: media server MS starts recording, and receives user's button indication; MS determines the corresponding control of button indication according to the control key information that receives from application server AS in advance, and it is one of following that this control key information comprises at least: first operation is corresponding is controlled to be to suspend and records; Being controlled to be that second operation is corresponding continues recording; Corresponding being controlled to be of the 3rd operation restarts recording; MS carries out the corresponding control of button indication to recording.

According to a further aspect in the invention, provide a kind of media server, having comprised: recording starts module, is used for starting recording, and receives user's button indication; The control determination module is used for determining the corresponding control of button indication according to the control key information that receives from application server AS in advance, and it is one of following that this control key information comprises at least: first operation is corresponding is controlled to be to suspend and records; Being controlled to be that second operation is corresponding continues recording; Corresponding being controlled to be of the 3rd operation restarts recording; The control Executive Module is used for the corresponding control of button indication is carried out in recording.

According to another aspect of the invention, provide the recording control system of a kind of dialogue-based initiation protocol SIP, having comprised: application server is used for sending recording control key information to media server; The media server that this media server is above-mentioned.

By the present invention, after employing is received user's button indication at MS, directly recording is controlled, solved the problem of the sound-recording business function singleness in the correlation technique, improved the operability of recording and strengthened user's experience property according to the corresponding control operation of button indication.

Description of drawings

Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:

Fig. 1 is the recording control method flow chart based on SIP according to the embodiment of the invention 1;

Fig. 2 is the recording control method flow chart based on SIP according to the embodiment of the invention 2;

Fig. 3 is the structured flowchart according to the media server of the embodiment of the invention 3; And

Fig. 4 is the recording control system structured flowchart based on SIP according to the embodiment of the invention 4.

Embodiment

Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.

Comprise MS, AS and terminal in the communication system based on the SIP signaling, wherein, the terminal in the embodiment of the invention can be mobile phone, landline telephone or other Softswitch; MS, AS are wired or wireless the connection with terminal room, and relevant communication standard is followed in this connection.Following examples of the present invention are that example describes with this communication system.

Embodiment 1

Fig. 1 shows the recording control method flow chart based on SIP according to the embodiment of the invention, may further comprise the steps:

Step S102, MS starts recording, and receives user's button indication;

Step S104, MS determines the corresponding control of above-mentioned button indication according to the control key information that receives from AS in advance, wherein, it is one of following that the control key information comprises at least: being controlled to be that first operation is corresponding suspends recording; Being controlled to be that second operation is corresponding continues recording; Corresponding being controlled to be of the 3rd operation restarts recording;

Wherein, AS carries the button control information by initial recording control signaling and gives MS.In the initial recording control signaling that present embodiment AS sends, the request of will recording and the control signaling that collects the digits combine, utilize the function that collects the digits of MS to realize support to record button control, in the demand signalling of the recording between AS and MS, except the recording file path of carrying and recording relevant, file format, outside the phase related control informations such as recording minimax duration, AS controls key information with the recording Streaming Media that business provides simultaneously, compile the number-accepting request information of set form and send to MS, receive the recording request that has Streaming Media control signaling of AS as MS after, extract wherein control information of recording Streaming Media button and storage.

Step S106, MS carries out the corresponding control of above-mentioned button indication to this recording;

For example, when button was designated as first operation, MS suspended described recording; When button was designated as second operation, MS continued described recording; When button was designated as the 3rd operation, the recording file before the MS deletion restarted recording.

In above-mentioned three operations, first is operating as by first button, for example presses " 1 " key on the mobile phone; Second is operating as by second button, for example presses " 2 " key on the mobile phone; The 3rd is operating as by the 3rd button, for example presses " 3 " key on the mobile phone;

Perhaps, first is operating as by first button, for example presses " 1 " key on the mobile phone; Receive first operation second time in second fixed time that is operating as after receiving first operation, also promptly presses first button at the appointed time interior twice, for example presses " 1 " key in 20 minutes after having pressed " 1 " key for the first time once more; The 3rd is operating as by the 3rd button, for example presses " 2 " key on the mobile phone.

In order to keep the handling process in the correlation technique, the end operation of recording is still finished by AS, be embodied in: the button indication that MS receives is not above-mentioned three kinds of operations, but when finishing recording operation (for example pressing " # " key on the mobile phone), MS reports the end record messages to AS, finishes this recording by AS.

MS and AS in the correlation technique pass through Signalling exchange, only can realize sound-recording function, can not realize controlled function to recording, present embodiment utilizes the function that collects the digits (promptly receiving the button indication of self terminal) of MS to realize the control to recording, finish recording control by MS, the controlled function on the AS has weakened.

Present embodiment considers that the control of recording Streaming Media does not need the intervention of operation flow, receive user's button indication at MS after, directly recording is controlled according to the corresponding control operation of button indication, solved the problem of the sound-recording business function singleness in the correlation technique, improved the operability of recording, strengthened the practicality of system and user's experience property.Simultaneously, the MS of present embodiment does not report AS to the operation that suspends, continues and restart recording, has further strengthened the promptness and the reliability of recording Streaming Media control.

Embodiment 2

Fig. 2 shows the recording control method flow chart based on the SIP signaling of the embodiment of the invention, and this method may further comprise the steps:

Step S201, user terminal to the call request INVITE that AS initiates the SIP signaling, carry the media information SDP1 of user side through SS (Software Switch, soft switch) simultaneously;

Step S202, AS returns provisional response 100Trying to SS;

Step S203, AS after having triggered sound-recording business, to MS make a call the request INVITE, carry user's media information SDP1;

Step S204, MS returns provisional response 100Trying to AS;

Step S205, MS receive the INVITE request, return 200OK to AS and reply, and carry the media information SDP2 of oneself simultaneously;

Step S206, the response message ACK of AS after MS transmission 200OK replys;

Step S207, AS returns the 200OK that receives the INVITE request to SS, and transparent transmission is from the media information SDP2 of MS simultaneously;

Step S208, the response message ACK of SS after AS sends 200OK;

Step S209 after the SIP session is set up, is initiated by business, and AS wherein carries the control information of Streaming Media button to the INFO that MS sends the recording request;

XML code stream as follows, the XML code stream of the recording request of the simple recording of of providing for present embodiment Streaming Media controlled function.

1<？xml?version＝″1.0″encoding＝″UTF-8″？>

2<msml?version＝″1.1″>

3 <dialogstart?target＝″conn：...″type＝″application/moml+xml″>

4 <group?topology＝″parallel″>

5 <record?dest＝″file://mnt/51/40/01/69.wav″

format＝″audio/vnd.wave；codec＝83″maxtime＝″100s″

cvd:termkey＝″#″>

6 <recordexit>

7 <send?target＝″source″event＝″app.record_0_64″

namelist＝″record.end?record.len?record.termkey″/>

8 <exit/>

9?</recordexit>

10 </record>

11 <dtmf?iterate＝″forever″>

12 <pattern?digits＝″1″>

13 <send?target＝″record″event＝″toggle-state″/>

14?</pattern>

15?<pattern?digits＝″2″>

16 <send?target＝″record″event＝″restart″/>

17?</pattern>

18 </dtmf>

19 </group>

20 </dialogstart>

21</msml>

Wherein, 1-21 is label＜record〉(5-10 is capable) be the essential information of recording request, comprises the recording file path, recording file form, minimum and maximum long recording time, end key (# number) etc.The difference of this code stream and common recording request is: at＜group〉increased middle the collect the digits subtab＜dtmf of function of a realization that increased in the label side by side〉(11-18 is capable), this＜dtmf〉what deposit in the label is the control key information of realizing Streaming Media control, general＜record〉label and＜dtmf label places＜group simultaneously under the label, represent that this dtmf function that collects the digits is the service of record sound-recording function.At＜dtmf〉subtab＜pattern in defined the control key information relevant with recording, wherein (pressing once, expression suspends for button " 1 " expression time-out and continuation, pressing on the basis of suspending once is exactly to continue again, the operating habit that meets general recording control button in the past like this), button " 2 " expression restarts, it is recording file before MS will delete, accent begins recording, according to the control signaling, when MS receives the button " 1 " or the user terminal button of " 2 ", MS will not report AS, directly files in stream media be operated, and realize recording Streaming Media controlled function.When the user has sent " # " number key, then triggered the signal of End of Tape, MS will report AS to this " # ", finish this recording simultaneously.

Step S210, MS have accepted the recording request of AS, and the 200OK that returns INFO replys.After this, user terminal formally begins recording, and by the control to default Streaming Media control button, for example, MS receives the button indication of self terminal, and when this button was designated as first operation, MS suspended described recording; When button was designated as second operation, MS continued described recording; When button was designated as the 3rd operation, the recording file before the MS deletion restarted recording.

By aforesaid operations, the user can realize suspending in Recording Process, continues, and controlled function such as restarts, or directly finishes this recording by button.

Step S211 when the long recording time end, or works as MS and has received that the expression except that video playback control button finishes the key information of recording, and MS reports AS by INFO;

Step S212, AS replys to the 200OK that MS returns INFO;

Step S213, MS have finished the function of this sound-recording business, will withdraw from the dialog exit message informing AS (passing through INFO) of media session;

Step S214, AS replys to the 200OK that MS returns INFO; After this sound-recording function is finished, can continue other business function flow processs, send other association request message to MS by AS;

Step S215, after the whole service flow process was finished, AS sent BYE message to MS, finishes this media session;

Step S216, MS replys to the 200OK that AS returns BYE message, and MS finishes media session;

Step S217, AS send BYE message by SS to user terminal after having finished current calling task, finish this call flow;

Step S218, user terminal is replied to the 200OK that AS returns BYE message by SS, this end of calling.

Present embodiment expands the control signaling of SIP sound-recording business, the function that collects the digits in IVR (interactive voice response) business is combined with sound-recording business, be implemented on the terminal and can realize recording Streaming Media controlled function such as time-out, continuation by button, simplify the control signaling interaction times between AS and the MS simultaneously, the practicality and the reliability of the control of enhanced flow medium improve professional user experience sensation.

Embodiment 3

Present embodiment provides a kind of media server, and referring to Fig. 3, this media server comprises:

Recording starts module 30, is used for starting recording, and receives user's button indication;

Control determination module 32 is used for determining the corresponding control of this button indication according to the control key information that receives from application server AS in advance, and wherein, it is one of following that the control key information comprises at least: being controlled to be that first operation is corresponding suspends recording; Being controlled to be that second operation is corresponding continues recording; Corresponding being controlled to be of the 3rd operation restarts recording;

Control Executive Module 34 is used for the corresponding control of button indication is carried out in recording.Preferably, control Executive Module 34 comprises:

The recording pause unit is used for button and was designated as for first when operation, suspends current recording;

Recording continues the unit, when being used for button and being designated as second operation, continues current recording;

Again the unit of recording, when being used for button and being designated as the 3rd operation, the recording file before the deletion restarts recording.

Preferably, media server also comprises: finish the recording reporting module, be used for above-mentioned button and be designated as when finishing recording operation, report the end record messages to AS, so that AS finishes current recording.

After the media server of present embodiment is received user's button indication, directly recording is controlled according to the corresponding control operation of button indication, solved the problem of the sound-recording business function singleness in the correlation technique, improved the operability of recording, strengthened the practicality of system and user's experience property.Simultaneously, the media server of present embodiment does not report AS to the operation that suspends, continues and restart recording, has further strengthened the promptness and the reliability of recording Streaming Media control.

Embodiment 4

Present embodiment provides a kind of recording control system based on SIP, and referring to Fig. 4, this system comprises: application server 40 is used for sending recording control key information to media server 42;

Media server 42 is a media server shown in Figure 3, and its function is identical with embodiment 3, no longer describes in detail here.

As can be seen from the above description, the present invention has realized following technique effect: above on the basis of original simple sound-recording business based on SIP, Streaming Media controlled function such as realized time-out, continue, restart, the user uses more flexible, function is more, and this function, can be controlled by concrete business Service Open Interface flexibly by AS simultaneously, have very strong versatility, be beneficial to large-scale sound-recording business exploitation and use.

Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.

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

1. the recording control method of a dialogue-based initiation protocol SIP is characterized in that, comprising:

Media server MS starts recording, and receives user's button indication;

Described MS determines the corresponding control of described button indication according to the control key information that receives from application server AS in advance, and it is one of following that described control key information comprises at least: being controlled to be that first operation is corresponding suspends recording; Being controlled to be that second operation is corresponding continues recording; Corresponding being controlled to be of the 3rd operation restarts recording;

Described MS carries out the corresponding control of described button indication to described recording.

2. method according to claim 1 is characterized in that, described MS carries out the corresponding control of described button indication to described recording and comprises:

When described button was designated as first operation, described MS suspended described recording;

When described button was designated as second operation, described MS continued described recording;

When described button was designated as the 3rd operation, the recording file before the described MS deletion restarted recording.

3. method according to claim 1 is characterized in that, described button is designated as when finishing recording operation, and described MS reports the end record messages to described AS, finishes described recording by described AS.

4. according to the arbitrary described method of claim 1-3, it is characterized in that described AS carries described button control information by initial recording control signaling and gives described MS.

5. according to the arbitrary described method of claim 1-3, it is characterized in that described first is operating as by first button; Described second is operating as by second button; The described the 3rd is operating as by the 3rd button.

6. according to the arbitrary described method of claim 1-3, it is characterized in that described first is operating as by first button; Described second be operating as at the appointed time in twice by described first button; The described the 3rd is operating as by the 3rd button.

7. a media server is characterized in that, comprising:

Recording starts module, is used for starting recording, and receives user's button indication;

The control determination module is used for determining the corresponding control of described button indication according to the control key information that receives from application server AS in advance, and it is one of following that described control key information comprises at least: being controlled to be that first operation is corresponding suspends recording; Being controlled to be that second operation is corresponding continues recording; Corresponding being controlled to be of the 3rd operation restarts recording;

The control Executive Module is used for the corresponding control of described button indication is carried out in described recording.

8. media server according to claim 7 is characterized in that, described control Executive Module comprises:

The recording pause unit is used for described button and was designated as for first when operation, suspends described recording;

Recording continues the unit, when being used for described button and being designated as second operation, continues described recording;

Again the unit of recording, when being used for described button and being designated as the 3rd operation, the recording file before the deletion restarts recording.

9. media server according to claim 7 is characterized in that, described media server also comprises:

Finish the recording reporting module, be used for described button and be designated as when finishing recording operation, report the end record messages to described AS, so that described AS finishes described recording.

10. the recording control system of a dialogue-based initiation protocol SIP is characterized in that, comprising:

Application server is used for sending recording control key information to media server;

Described media server is arbitrary described media server among the claim 7-9.