CN101170602B - a media information processing method, communication system and user terminal - Google Patents
a media information processing method, communication system and user terminal Download PDFInfo
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- CN101170602B CN101170602B CN2006101498607A CN200610149860A CN101170602B CN 101170602 B CN101170602 B CN 101170602B CN 2006101498607 A CN2006101498607 A CN 2006101498607A CN 200610149860 A CN200610149860 A CN 200610149860A CN 101170602 B CN101170602 B CN 101170602B
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Abstract
The invention discloses a medium information processing method, a communication system and a user terminal for increasing the flexibility of media information processing. The method comprises: a first user terminal sends a service change request to a second user terminal; the second user terminal identifies that the type of the changed service involves the internet protocol multimedia subsystem service and then correspondingly performs the treatment according to the service change request. The system comprises a first user terminal and a second user terminal. The first user terminal sends a service change request to the second user terminal. The second user terminal receives the service change request and judges whether the service change request comprises the internet protocol multimedia subsystem service, if yes, processes the changed service based on the service change request. Additionally, the invention provides a user terminal. The invention can efficiently increase the flexibility of media information processing.
Description
Technical field
The present invention relates to communication field, relate in particular to a kind of media information processing method and communication system and user terminal.
Background technology
Shared service (CSI) is a kind of expansion of traditional circuit business, the speech business of the circuit domain that this novel business is separate with legacy network and the data service of data field combine, a Multimedia session is added in permission in the normal voice calls process, and special CSI terminal can get up to be used as a task with these two session associations and presents to the terminal use.CSI service has enriched the expression mode of audio call, has enriched people's communication means.CSI service has utilized the enhanced scalability of Multimedia session, and when carrying out the normal speech session, the dialogue both sides can utilize this Multimedia session to share picture, video image, even sound multimedia file.
Have two kinds of carryings in the CSI service, a kind of is the service bearer of internet protocol multi-media sub-system (IMS) network, and another kind is the service bearer of circuit domain (CS) network.
Processing method of the prior art is: can only handle the CS business, and can not change the IMS business separately.After the speech business of having handled the CS network, terminal can be deleted the service bearer of IMS automatically, control in addition because need carry to avoid IMS, the extra trouble that causes that is to say, the IMS business is as a kind of expansion of CS business and exist, in case the CS business has not existed, the IMS business also finishes accordingly, so the processing method of prior art can not satisfy various demand of user, has reduced the flexibility that media information is handled.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of media information processing method and communication system and user terminal, can improve the flexibility that media information is handled.
Media information processing method provided by the invention when first user and second user carry out shared service, comprising: first user terminal sends the business change request to second user terminal; Second user terminal identifies described change type of service and comprises the internet protocol multi-media sub-system business, then carries out respective handling according to described business change request.
Alternatively, if second user terminal is discerned described business change request and do not comprised the internet protocol multi-media sub-system business, then regard as illegal request.
Alternatively, described business change request is professional transfer request; Comprise the destination device address in the described professional transfer request; Described step of carrying out respective handling according to described business change request comprises: according to described destination device address business is transferred to destination device.
Alternatively, also comprise the media information descriptor in the described professional transfer request; Before described business being transferred to destination device, comprise: extract the media information descriptor, obtain the type of the media information that needs transfer according to the destination device address; If the type of the media information of destination device support comprises the type of the media information that needs shift, then the media information in the described business is transferred to destination device according to the destination device address, if not, then refusal shifts, and sends the transfer failed message to first user.
Alternatively, described business change request is the professional request that keeps; Described step of carrying out respective handling according to described business change request comprises: keep corresponding service between first terminal and second terminal according to described maintenance type of service.
Alternatively, comprise after the step of second user terminal transmission business change request at first user terminal: second user terminal carries out fail safe to the business change request that receives and detects, pass through if fail safe detects, then carry out the step of judging the change type of service.
Alternatively, the step of described fail safe detection comprises: whether the identity of checking first user terminal is shared service validated user identity.
Alternatively, the step that described fail safe detects comprises: check the header field of professional transfer request, judge whether the unified resource identifier that comprises in the header field is consistent with the unified resource identifier of first user terminal, if consistent, then by detecting.
Alternatively,, judge further then whether the contact address is consistent if the unified resource identifier that comprises in the header field is consistent with the unified resource identifier of first user terminal, if inconsistent, then by detecting.
Communication system provided by the invention comprises: first user terminal, second user terminal and network side; Described first user terminal and described second user terminal are realized shared service by described network side; Described first user terminal is used for sending the business change request to second user terminal; Described second user terminal is used to receive described business change request and judges whether described business change comprises the internet protocol multi-media sub-system business, if comprise, then according to described business change request described change business is handled.
User terminal provided by the invention comprises: display unit, communication unit, business change requesting processing and business change performance element; Described display unit is used for to the existing session information of user's displaying terminal; Described communication unit is used for communicating by letter by communication network realization and network side or other-end; Described business change requesting processing is used for according to user's request editor or identification services change request; Described business change performance element is correspondingly processed according to described business change request.
Alternatively, described business change requesting processing comprises: business change request edit cell and/or business change request recognition unit; Described business change request edit cell is used for the selection editor business change request according to the user; Described business change request recognition unit is used for the business change request that receives is discerned.
Alternatively, described business change request edit cell comprises: business information acquiring unit, business change information acquisition unit and business change request generation unit; Described business information acquiring unit is used to obtain the business information of the current use of user; Described business change information acquisition unit is used to obtain the business change information that the user selects or imports; Described business change request generation unit, the business information of the current use of user of obtaining according to described business information acquiring unit and the modification information that the business change information acquisition unit is obtained generate the business change request, and extract relevant information and send to described business change performance element.
Alternatively, described business change request recognition unit comprises: business change request analysis unit and transmitting element; Described business change request analysis unit is used to resolve described business change request and extracts relevant information; Described transmitting element, the relevant information that described service request resolution unit is extracted sends to described business change performance element.
Above technical scheme as can be seen, the present invention has the following advantages:
Among the present invention, because the type of service that needs are handled is judged earlier, so can distinguish to business, the user can select individual processing IMS business, and keeps the CS business constant, so when the user need carry out special processing to the media information in the IMS business, for example media information is saved to the third party, perhaps media information is transferred to suitable more apparatus operating and operated, or suspend the mutual of media information, can improve the flexibility that media information is handled effectively.
Description of drawings
Fig. 1 is the inventive method embodiment flow chart;
Fig. 2 is the inventive method first embodiment flow chart;
Fig. 3 is the inventive method second embodiment flow chart;
Fig. 4 is a system of the present invention embodiment schematic diagram;
Fig. 5 is a user terminal embodiment schematic configuration diagram of the present invention.
Embodiment
The invention provides a kind of media information processing method and communication system and user terminal, be used to improve the flexibility that media information shifts.
See also Fig. 1, the inventive method embodiment flow process comprises:
101, first user and second user carry out the CSI conversation;
Wherein, a CSI conversation comprises two sessions, and one is the session of CS, and another one is the session of IMS.
102, first user terminal sends the business change request to second user terminal;
103, judge whether described change type of service comprises the IMS business, if then execution in step 104, if not, then execution in step 105;
104, according to described business change request the IMS business is changed;
105, carry out respective handling according to described business change request.
When the business of needs change does not comprise that IMS is professional, think that then the business change request that the user submits to is an illegal request, finish handling process of the present invention afterwards.Be understandable that, can carry out the prior art flow process to this business change request after finishing flow process of the present invention, when for example customer requirements change CS was professional, processing procedure specifically can be that change CS business finishes the IMS business simultaneously.
In addition, if stipulating the change type of service that the user selects must comprise when IMS is professional, determining step in the so above-mentioned execution mode can omit, the type of the business change that second user terminal is directly selected according to the user is handled accordingly, as long as promptly second user terminal business packet including IMS business that identifies the request change can be carried out respective handling.
Business change in the specific embodiment of the invention is shifted with business and professional the maintenance describes, and is understandable that the business change request also can be other similar business changes.
See also Fig. 2, below first embodiment of the invention is described, in the present embodiment, described business change is professional the transfer:
201, first user and second user carry out the CSI conversation;
202, when the user need carry out the business transfer, first user terminal sends the professional transfer request REFER that comprises transfer service type and destination device address to second user terminal.
The message format of REFER is as shown in the table:
Table 1
| REFER?sip:batlanta. example.com?SIP/2.0 | Conversation initialized protocol (SIP, Session Initiation Protocol) Method type, 2.0 refer to IETF 3261 Standard Editions, sip:batlanta.example.com is the called end number of SIP-URI form |
| Via: | Identification message is transmitted the path node of process in network |
| To: <sip:batlanta.example.com> | Called user information |
| From:<sip:aatlanta.example. com>；tag＝193402342 | Calling user information |
| Call-ID:898234234agenta. atlanta.example.com | The identification information of a SIP session of unique identification |
| CSeq:93809823?REFER | The CSeq header field provides the method for identification and ordering session, comprises a sequence number and a method, answers replying of a certain request |
| Message must identical with the CSeq of request message (using identical method, with identical sequence number) could be matched | |
| Max-Forwards:70 | The maximum path interstitial content of sign a piece of news energy process |
| Accept-Contact: +g.3gpp.ps-video | The preference (for example requiring to carry out the IMS video communication) that has shown the user in the Accept-Contact header field, all kinds of terminal ability informations that the information that this moment, network can provide according to first subscription request message and second user are registered carry out matching judgment selecting the conversation that continues of the appropriate terminal type of second user, or refuse to converse when all terminal capabilities of second user do not satisfy |
| Refer-To:<sip: sip:batlanta.example.com？ Accept-Contact＝sip: bobsdesk.biloxi.example.com> | The third party targeted customer who transfers to provides third-party concrete contact address simultaneously |
| Contact: sip:aatlanta.example.com | Identify the address information of this sip terminal, can receive message by this sip address terminal |
| Content-Type:application/sdp | The Content-Type header field has been pointed out the medium type of the message body of transmission |
| Content-Length:(...) | The message-length head has provided the length of message body |
| SDP | The SDP that has provided the medium that need transfer in the message body describes |
203, detect the identity of first user terminal, if by detecting, then execution in step 202, and if not, then execution in step 210;
Wherein, need that after second user terminal receives professional transfer request professional transfer request is carried out fail safe and detect, concrete detection comprises following several situation:
1, identity detects: whether the identity that detects first user terminal that sends professional transfer request is the validated user identity of CSI service.
Wherein, can carry the identification information of self in the professional transfer request that first user terminal sends, second user terminal judges by identification information is mated whether first user terminal is legal.
2, content detection: the header field of checking professional transfer request, judge whether the unified resource identifier that comprises in the header field is consistent with the unified resource identifier of first user terminal,, judge further then whether the contact address is consistent if consistent, if the contact address is inconsistent, then detects and pass through.
204, analyze unified resource identifier (URI), if consistent, then execution in step 205, and if not, then execution in step 210;
Wherein, the source address header field in the contrast transfer conversation request and the URI of Refer-to header field if the URI of these two header fields is in full accord, then carry out subsequent step.
205, analyze Accept-Contact, if point to a different contact address, then execution in step 206, and if not, then execution in step 210;
206, extract media information descriptor SDP, obtain the type of the media information that needs transfer;
207, obtain the type of the media information of destination device support according to the media capability of destination device and transmitting terminal negotiation;
Wherein, concrete negotiations process is as follows:
1, second user terminal sends Invite message to destination device, carries media type information in invite message, and parameter such as media resource reservation situation;
2, destination device is judged the media capability of self after receiving Invite message, if destination device is supported the media capability that second user terminal provides, and destination device reserve media resource so.After media resource reservation was finished, destination device returned 200OK message, and 200OK message the inside carries media capability information and the media resource reservation situation is given second user terminal.
208, whether the type of judging the media information of destination device support comprises the type of the media information that needs shift, if comprise that then execution in step 209, if not, then execution in step 210;
209, according to the destination device address media information in the described business is transferred to destination device;
210, refusal transfer service, and to the first user feedback Reason For Denial.
In the embodiment of the invention, described professional transfer request can be the transfer request of video traffic, for example:
In the CSI communication process, first user shares video with transfer of content to the address space of storage agent server, and the user registers above the video storage server in advance at this, has registered the number of the account and the storage size of appointment.At this moment, step 202 specifically can be:
First user's CSI terminal is initiated the professional transfer request of IMS, sending the REFER order to second user terminal, is the Refer-To header field in the message＜sip:sip:batlanta.example.com? Accept-Contact=sip:bobstorage.biloxi.example.com 〉.
Wherein sip:sip:batlanta.example.com is first user's SIP URI, and Accept-Contact=sip:bobstorage.biloxi.example.com is the memory address of first user at the storage agent server of IMS network.
For another example: in the CSI communication process, video is shared transfer of content to same user's notebook, this notebook is registered as the SIP URI identical with the CSI terminal on the IMS network, and at this moment, step 202 specifically can be:
First user's CSI terminal is initiated the professional transfer request of IMS, sending the REFER order to second user terminal, is the Refer-To header field in the message＜sip:sip:batlanta.example.com? Accept-Contact=sip:bobdesktop.biloxi.example.com 〉.
Wherein sip:sip:batlanta.example.com is first user's SIP URI, and Accept-Contact=sip:bobdesktop.biloxi.example.com is first user at the computer that lands with same username of IMS network.
Understandable, in the process that reality is used, described professional transfer request can also be other media business transfer request, only needs user terminal to support this media business to get final product.
Media information can be transferred to the destination device of first user's appointment by embodiments of the invention, thereby:
1, in video call process, the user may wish that store video is a video file so that repeat later on to watch, and can use the professional method that shifts so, and video is transferred to certain above the server, is file format by server agent user storage video.Simultaneously also overcome the limited problem of phone memory, the big memory space of server helps storing more video file content;
2, the screen of mobile phone is normally very limited, so can not use high-quality coded format in the time of the stage carrying out video consultation; If share at the CSI video and to carry out in the process, can share to video content on other playback equipments, utilize the image quality of high code stream to carry out enjoy content, can improve the user experience impression.Even code stream is not consulted again in addition, large-screen also helps improving user experience.
See also Fig. 3, below second embodiment of the invention is described, in the present embodiment, business change is professional the maintenance:
301, first user and second user carry out the CSI conversation;
302, when the user selects to keep IMS professional, first user terminal sends the Update order to second user terminal;
Wherein, this Update order is carried SDP message and is given the IMS network, and SDP carries property value " inactive " or " sendonly ".Simultaneously in order to prevent that second user terminal is after receiving Update message, extra operation is also carried out in speech business to circuit domain, in the CONTACT of first user terminal header field, increase restricted information to operation domain, be isCSIps in the present embodiment, i.e. limit service operation is only carried out in the IMS territory.
303, second user terminal according to the performance constraint information isCSIps in the CONTACT header field, only keeps operation to the IMS business after receiving the Update order.
Wherein, along with the expansion of business, performance constraint information can be expanded:
IsCSIps: represent current business to only limit to the business of IMS
IsCSIcsps: represent current business to comprise circuit domain and IMS territory
IsCSIcs: represent current business to only limit to circuit domain
What describe in the present embodiment is to the maintenance of IMS business, is understandable that, the business among the present invention keeps being not limited to the IMS business, can be other similar business equally.
See also Fig. 4, communication system provided by the invention comprises: first user terminal, 401, the second user terminals 402 and network side 403; Described first user terminal 401 and second user terminal 402 can be realized CSI service by network side.
Described first user terminal 401 sends the business change request to second user terminal 402;
Described second user terminal 402 receives described business change request and judges whether described business change comprises the IMS business, if comprise, then according to described business change request described change business is handled.
Described business change request can be the professional transfer of IMS or keep asking that correspondingly, according to described business change request described change business being handled can be to do transfer or keep processing IMS is professional according to described request.
See also Fig. 5, user terminal provided by the invention can comprise: display unit 501, communication unit 502, business change requesting processing 503 and business change performance element 504;
Business change requesting processing 503 is used for according to user's request editor or identification services change request;
Business change performance element 504 is correspondingly processed according to described business change request.
In the user terminal embodiment provided by the invention:
Described business change requesting processing 503 specifically can comprise:
Business change request edit cell 5031 and/or business change request recognition unit 5032.
Described business change request edit cell 5031 specifically can comprise:
Business information acquiring unit 50311, business change information acquisition unit 50312 and business change request generation unit 50313;
Business information acquiring unit 50311 is used to obtain the business information of the current use of user;
Business change information acquisition unit 50312 is used to obtain the business change information that the user selects or imports;
The business information of the current use of user that business change request generation unit 50313 obtains according to described business information acquiring unit 50311 and the modification information that the business change information acquisition unit is obtained generate the business change request, and extract relevant information and send to described business change performance element 504.
Described business change request recognition unit 5032 specifically can comprise:
Business change request analysis unit 50321 and transmitting element 50322;
Business change request analysis unit 50321 is used to resolve described business change request and extracts relevant information;
Transmitting element 50322, the relevant information that described service request resolution unit is extracted sends to described business change performance element 504.
More than a kind of media information processing method provided by the present invention and communication system and user terminal are 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 (12)
1. a media information processing method is characterized in that, when first user and second user comprise the shared service of voice conversation and Multimedia session, comprising:
First user terminal sends the business change request to second user terminal;
Type of service comprises internet protocol multi-media sub-system IMS business if second user terminal identifies change, then,
When described business change request is when comprising the professional transfer request of destination device address, separately described Multimedia session is transferred to destination device according to described destination device address;
Or,
When described business change request is business maintenance request, keep the Multimedia session between first terminal and second terminal separately.
2. media information processing method according to claim 1 is characterized in that: if second user terminal is discerned described business change request and do not comprised the internet protocol multi-media sub-system business, then regard as illegal request.
3. media information processing method according to claim 1 and 2 is characterized in that, also comprises the media information descriptor in the described professional transfer request;
Before described Multimedia session being transferred to destination device, comprise according to described destination device address:
Extract the media information descriptor, obtain the type of the media information that needs transfer;
If the type of the media information of destination device support comprises the type of the media information that needs shift, then the media information that described needs shift is transferred to destination device according to the destination device address, if not, then refusal shifts, and sends the transfer failed message to first user.
4. media information processing method according to claim 1 and 2, it is characterized in that, comprise after the step of second user terminal transmission business change request at first user terminal: second user terminal carries out fail safe to the business change request that receives and detects, pass through if fail safe detects, then carry out the step of judging the change type of service.
5. media information processing method according to claim 4 is characterized in that, the step that described fail safe detects comprises: whether the identity of checking first user terminal is shared service validated user identity.
6. media information processing method according to claim 4, it is characterized in that, the step that described fail safe detects comprises: the header field of checking professional transfer request, judge whether the unified resource identifier that comprises in the header field is consistent with the unified resource identifier of first user terminal, if consistent, then by detecting.
7. media information processing method according to claim 6, it is characterized in that,, judge further then whether the contact address is consistent if the unified resource identifier that comprises in the header field is consistent with the unified resource identifier of first user terminal, if inconsistent, then by detecting.
8. a communication system is characterized in that, comprising: first user terminal, second user terminal and network side;
Described first user terminal and described second user terminal comprise the shared service of voice conversation and Multimedia session by described network side;
Described first user terminal is used for sending the business change request to second user terminal;
Described second user terminal is used to receive described business change request and whether judges the business change type
Comprise internet protocol multi-media sub-system IMS business, if comprise, then
When described business change request is when comprising the professional transfer request of destination device address, separately described Multimedia session is transferred to destination device according to described destination device address;
Or,
When described business change request is business maintenance request, keep the Multimedia session between first terminal and second terminal separately.
9. a user terminal is characterized in that, described user terminal comprises the shared service of voice conversation and Multimedia session, and described user terminal comprises: display unit, communication unit, business change requesting processing and business change performance element;
Described display unit is used for to the existing session information of user's displaying terminal;
Described communication unit is used for communicating by letter by communication network realization and network side or other-end;
Described business change requesting processing is used for according to user's request editor or identification services change request,
Judge whether the business change type comprises internet protocol multi-media sub-system IMS business;
If described business change type comprises the IMS business, described business change performance element be used for when described business change request be when comprising the professional transfer request of destination device address, separately described Multimedia session is transferred to destination device according to described destination device address; Or, when described business change request is business maintenance request, keep the Multimedia session between first terminal and second terminal separately.
10. user terminal according to claim 9 is characterized in that, described business change requesting processing comprises:
Business change request edit cell and/or business change request recognition unit;
Described business change request edit cell is used for the selection editor business change request according to the user;
Described business change request recognition unit is used for the business change request that receives is discerned.
11. user terminal according to claim 10 is characterized in that,
Described business change request edit cell comprises: business information acquiring unit, business change information acquisition unit and business change request generation unit;
Described business information acquiring unit is used to obtain the business information of the current use of user;
Described business change information acquisition unit is used to obtain the business change information that the user selects or imports;
Described business change request generation unit, the business information of the current use of user of obtaining according to described business information acquiring unit and the modification information that the business change information acquisition unit is obtained generate the business change request, and extract relevant information and send to described business change performance element.
12. according to claim 10 or 11 described user terminals, it is characterized in that,
Described business change request recognition unit comprises:
Business change request analysis unit and transmitting element;
Described business change request analysis unit is used to resolve described business change request and extracts relevant information;
Described transmitting element, the relevant information that described service request resolution unit is extracted sends to described business change performance element.
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| Combining Circuit Switched (CS) and IPMultimediaSubsystem(IMS) services * |
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