CN1889435B - Method and system for intercommunicating between terminal and server - Google Patents
Method and system for intercommunicating between terminal and server Download PDFInfo
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- CN1889435B CN1889435B CN2006101037742A CN200610103774A CN1889435B CN 1889435 B CN1889435 B CN 1889435B CN 2006101037742 A CN2006101037742 A CN 2006101037742A CN 200610103774 A CN200610103774 A CN 200610103774A CN 1889435 B CN1889435 B CN 1889435B
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Abstract
This invention relates to a method and a system for communicating terminals and servers including the following steps: a terminal transmits its authorization authentication data or ID of the data and applied kinds to a SIP server, which enquires the related METHOD supported by the SIP server based on the authentication data or the ID and transmits the data to a terminal to increase the security of the SIP servers.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to the method and system of a kind of terminal and interworking server.
Background technology
3GPP and 3GPP2 tissue, it is international 3G (Third Generation) Moblie tissue, all to (the Session Initiated Protocol of SIP on the following 3G network, conversation initialized protocol) uses the good scheme that proposes, wherein in 3GPP R5, defined IMS (IP Multimedia Subsystem, IP Multimedia System), the Standardization Research of IMS advances.IMS is the center that end-to-end multimedia service and cluster multimedia service are provided in the 3G core network.In the R6 of 3GPP, IMS has been defined as supporting the multimedia service core net of all IP Access Networks, can support any mobile or fixing, wired or wireless IP-CAN (IP Connectivity Access Networks, IP connects access network), comprise W-CDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA) inserts), CDMA2000 (Code Division Multiple Addressing, code division multiple access), Ethernet (Ethernet), xDSL (X Digital Subscriber Loop, the signatory circuit of X numeral) and WLAN (Wireless Local AreaNetwork, WLAN (wireless local area network)) or the like.
IMS is the SIP that adopts IETF rfc 3261 definition substantially, and the SIP of IETF rfc 3261 definition has been made some corresponding expansions.The major function that the IMS system provides is to utilize Session Initiation Protocol that business is controlled.It can provide real-time multimedia end to end, also supports non-standard business simultaneously, such as video tour, download.The more very important IMS of being can realize different business, can realize intercommunication.
No matter in future will be at wireless network or cable network, and the SIP application can become main flow, and along with the development of business, it is complicated more that SIP can constantly become.METHOD in the Session Initiation Protocol (method) can be according to the function and the requirement of business, expansion constantly.This just requires terminal with between the sip server good intercommunication being arranged, and in order to reach this purpose, terminal can be known the METHOD that current sip server is supported by OPTIONS message in the Session Initiation Protocol at present.
At present, terminal knows that the specific implementation of the METHOD that current sip server is supported is: terminal is being carried out in the mutual process with sip server, terminal can send OPTIONS message to sip server, purpose is which METHOD the inquiry sip server supports, sip server carries all METHOD that sip server is supported in the response message of this message.
As seen, sip server is after the OPTIONS message of receiving terminal at present, and all METHOD that sip server can be supported all tell to terminal.But it is because more and more for the application on the sip server, the METHOD of expansion also can get more and more, and become increasingly complex, so the different METHOD that sip server is supported can be at different business, some METHOD is not owing to factors such as relating to safety advises openly giving all users, so terminal knows that the scheme of the METHOD that current sip server is supported can not satisfy the demand for security for interactive information between terminal and sip server at present.
Summary of the invention
The invention provides the method and system of a kind of terminal and interworking server, have the demand for security problem that can not satisfy in the prior art for interactive information between terminal and sip server in order to solve.
In order to solve the problems of the technologies described above, the invention provides the interoperability methods of a kind of terminal and server, may further comprise the steps:
Terminal sends to the Session initiation protocol SIP server with its authorization data or authorization data and application type sign;
The correlation method METHOD that described sip server is supported according to described authorization data or authorization data and the described sip server of application type sign inquiry, and send it to described terminal.
Further, said method also can have following characteristics:
Described terminal is carried at described authorization data or authorization data and application type sign and sends to described sip server in the OPTIONS message;
Described sip server is carried at described METHOD and sends to described terminal in the OPTIONS response message.
Further, said method also can have following characteristics:
Described sip server is preserved authorization data or authorization data and the application type sign that described terminal sends; And after the OPTIONS message that receives from described terminal, correlation method METHOD according to the authorization data of preserving or authorization data and the described sip server support of application type sign inquiry is carried at described METHOD then and sends to described terminal in the OPTIONS response message.
Further, said method also can have following characteristics:
After described sip server is preserved described authorization data or authorization data and application type sign, also notify described terminal to obtain described authorization data or authorization data and application type sign;
Described terminal sends OPTIONS message to described sip server again after receiving described notice.
Further, said method also can have following characteristics: the corresponding METHOD that described sip server is inquired about described sip server support according to described authorization data comprises: described sip server is inquired about the described terminal use's of described sip server preservation CAMEL-Subscription-Information according to described authorization data, when inquiring described CAMEL-Subscription-Information, know the signatory application type down of described terminal use according to described CAMEL-Subscription-Information, and inquire about the corresponding METHOD of described sip server support according to described application type.
Further, said method also can have following characteristics: the described corresponding METHOD that inquires about described sip server support according to described application type comprises: search the application type of the described sip server support of sign and the described sip server mapping table for mapping relations between the METHOD that realizes the application-specific type and support according to described application type, to know the pairing METHOD of described application type.
Further, said method also can have following characteristics: described sip server comprises according to the corresponding METHOD of described authorization data and the described sip server support of application type sign inquiry:
Inquire about the described terminal use's that described sip server preserves CAMEL-Subscription-Information according to described authorization data, when inquiring described CAMEL-Subscription-Information, know the application type of described terminal use under signatory according to described CAMEL-Subscription-Information;
Judge that described signatory application type and described application type down identifies the application type that shows and whether exist common some or all of, when having common application type, inquire about the corresponding METHOD that described sip server is supported according to described common application type.
Further, said method also can have following characteristics: the described corresponding METHOD that inquires about described sip server support according to described common application type comprises: search the application type of the described sip server support of sign and the described sip server mapping table for mapping relations between the METHOD that realizes the application-specific type and support according to described common application type, to know the pairing METHOD of described application type.
Further, said method also can have following characteristics: described authorization data comprises the user ID of described terminal.
The present invention also provides the intercommunicating system of a kind of terminal and server, comprise first sending module and first receiver module that are positioned on the terminal, be positioned at second sending module and second receiver module on the Session initiation protocol SIP server, described system also comprises the enquiry module that is positioned on the sip server, wherein:
Described first sending module generates first message of carrying authorization data or authorization data and application type sign, and sends to described second receiver module;
Described second receiver module is resolved authorization data or authorization data and the application type sign in described first message, and exports described authorization data or authorization data and application type sign;
The correlation method METHOD that described enquiry module is supported according to described authorization data or authorization data and the described sip server of application type sign inquiry, and send to described second sending module;
Described second sending module generates and carries second message of described METHOD, and sends to described first receiver module.
Further, said system also can have following characteristics: described enquiry module comprises:
First memory cell, the mapping table of mapping relations between the METHOD that the application type of preservation sip server support and sip server are supported in order to realize the application-specific type;
Query unit according to authorization data or authorization data and application type sign, is searched the mapping table that described first memory cell is preserved, and with the corresponding METHOD of knowing that sip server is supported, and sends to described second sending module.
Further, said system also can have following characteristics: described system also comprises second memory cell, is used to preserve authorization data or authorization data and the application type sign that described second receiver module parses, and exports to described enquiry module.
Beneficial effect of the present invention is as follows:
Adopt technical solution of the present invention, terminal sends to sip server with its authorization data; The corresponding METHOD that sip server is supported according to authorization data inquiry sip server, and send it to terminal.Thereby sip server has carried out authentication according to this authorization data to terminal, and come to provide the corresponding METHOD of its signatory sip server support down according to different terminals user's CAMEL-Subscription-Information for different terminal uses, and all METHOD of sip server support can not sent to the terminal of asking intercommunication, strengthened the fail safe of sip server.Perhaps
Terminal sends to sip server with its authorization data and application type sign; Sip server is inquired about the corresponding METHOD that sip server is supported according to authorization data and application type sign, and sends it to terminal.Thereby, sip server is not only judged according to terminal use's CAMEL-Subscription-Information send to terminal for which METHOD, also the application type that shows of the application type sign that sends according to this terminal provides corresponding M ETHOD, when realizing different application types to satisfy to the demand of METHOD.As seen, so both strengthened the fail safe of sip server, strengthened specific aim again for application type that terminal is asked.
Description of drawings
Fig. 1 is the intercommunication flow chart of terminal and sip server in the embodiment of the invention one;
Fig. 2 is the intercommunication flow chart of terminal and sip server in the embodiment of the invention two;
Fig. 3 is the flow chart of these terminal authentication data of terminal notice sip server in the embodiment of the invention three;
Fig. 4 obtains the flow chart of the METHOD that sip server supports for terminal in the embodiment of the invention three;
Fig. 5 is the authorization data of this terminal of terminal notice sip server in the embodiment of the invention four and the flow chart of application type sign;
Fig. 6 obtains the flow chart of the METHOD that sip server supports for terminal in the embodiment of the invention four;
Fig. 7 is the intercommunicating system block diagram of terminal among the present invention and sip server.
Embodiment
Core concept of the present invention is, terminal sends to sip server with its authorization data or authorization data and application type sign; The corresponding METHOD that sip server is supported according to authorization data or authorization data and application type sign inquiry sip server, and send it to terminal.
Below in conjunction with drawings and Examples the present invention is further described.
Embodiment one
Present embodiment with terminal with the intercommunication process of sip server in the METHOD that obtains be the METHOD that sip server is supported at this terminal use, and the situation by the authorization data of OPTIONS message carried terminal is that example describes, as shown in Figure 1, the flow process of present embodiment may further comprise the steps:
Step S101, terminal writes OPTIONS message with authorization data, and sends to sip server;
This authorization data can be as the IMSI of terminal use's user ID (International MobileSubscriber Identity, international mobile subscriber identification code) or SIPID (Session Initiated ProtocolIdentity, the conversation initialized protocol identification code) data such as can comprise also that also key etc. strengthens the data of fail safes.
Step S102, sip server resolve the authorization data that it carries after receiving this OPTIONS message, and whether preserve this terminal use's CAMEL-Subscription-Information according to this authorization data inquiry sip server, if carry out step S103, otherwise carry out step S105;
Step S103, sip server is known the application type of this terminal use under signatory according to this CAMEL-Subscription-Information;
Step S104, sip server is according to above-mentioned application type, search the mapping table of mapping relations between the application type of sign sip server support and the METHOD that sip server is supported in order to realize the application-specific type, to know the pairing METHOD of above-mentioned application type, and the pairing METHOD of above-mentioned application type write the OPTIONS response message, carry out step S106;
Step S105, sip server writes the OPTIONS response message with error code;
Step S106, sip server returns the OPTIONS response message to terminal.
As seen, in the above-mentioned flow process, sip server is according to the authorization data of the terminal of carrying in the OPTIONS message, know the signatory application type down of this terminal use that sip server is supported, and known the METHOD of above-mentioned application type correspondence by searching mapping table, notify this terminal the METHOD of correspondence then, realized the intercommunication between terminal and the sip server, and because the CAMEL-Subscription-Information that present embodiment is inquired about this terminal use of sip server preservation according to authorization data also is the process of an authentication, sip server only sends corresponding M ETHOD to signatory terminal in the present embodiment, and good fail safe is arranged.
Embodiment two
Present embodiment with terminal with the intercommunication process of sip server in the METHOD that obtains be the METHOD that sip server is supported at the application-specific type of this terminal use and its request, and by the authorization data of OPTIONS message carried terminal and the situation of application type sign is that example describes, as shown in Figure 2, the flow process of present embodiment may further comprise the steps:
Step S201, terminal writes OPTIONS message with the application type sign of the application type that authorization data and terminal are asked, and sends to sip server;
After step S202, sip server receive this OPTIONS message, resolve its authorization data that carries and application type sign;
Step S203, sip server if inquire corresponding CAMEL-Subscription-Information, carries out step S204 according to this terminal use's of this authorization data inquiry sip server preservation CAMEL-Subscription-Information, otherwise, carry out step S207;
Step S204, sip server is known the application type of this terminal use under signatory according to this CAMEL-Subscription-Information;
Step S205, sip server judge this terminal use signatory down application type and above-mentioned application type identify the application type that shows whether exist common some or all of, if carry out step S206, otherwise carry out step S207;
Step S206, common application type in the application type that application type under sip server is contracted according to this terminal use and above-mentioned application type sign show, search the mapping table of mapping relations between the application type of sign sip server support and the METHOD that sip server is supported in order to realize the application-specific type, to know the pairing METHOD of above-mentioned common application type, and the pairing METHOD of above-mentioned common application type write the OPTIONS response message, carry out step S208;
For example, application type under this terminal use is signatory is A and B, and the application type of this terminal use's request that the application type sign shows is A and C, then the two common application type is A, sip server is only searched the pairing METHOD of A, and the pairing METHOD of A is write the OPTIONS response message.
Step S207, sip server writes the OPTIONS response message with error code;
Step S208, sip server returns the OPTIONS response message to terminal.
In the present embodiment, the terminal use's who preserves according to authorization data inquiry sip server CAMEL-Subscription-Information when inquiring CAMEL-Subscription-Information, is known the application type of terminal use under signatory according to CAMEL-Subscription-Information;
Judge signatory down application type and the application type that shows of application type sign whether exist common some or all of, when having common application type, according to the corresponding METHOD of common application type inquiry sip server support.
Embodiment three
Present embodiment with terminal with the intercommunication process of sip server in the METHOD that obtains be the METHOD that sip server is supported at this terminal use, and the situation by the authorization data of non-OPTIONS message carried terminal is that example describes, giving the non-OPTIONS message of sip server with this band authorization data below is that INVITE is an example, but non-OPTIONS message is not limited to INVITE.
The flow process of the authorization data of this terminal of terminal notice sip server may further comprise the steps as shown in Figure 3 in the present embodiment:
Step S301, terminal sends INVITE to sip server, wherein carries the authorization data of this terminal;
After step S302, sip server receive this INVITE, resolve and preserve the authorization data that it carries;
Step S303, sip server return the response message of this INVITE to terminal;
Step S304, terminal judges whether this response message identifies the authorization data that sip server has been known this terminal after receiving the response message of this INVITE, if first sign is set; Otherwise do not process.
In this step, when judged result does not identify the situation that sip server has been known the authorization data of this terminal for this response message, also can return the authorization data that step S301 notifies this terminal of sip server again.
Terminal obtains that sip server supports in the present embodiment at the flow process of the METHOD of this terminal as shown in Figure 4, may further comprise the steps:
Step S401, whether terminal judges first sign is set up, if, execution in step S402, otherwise, do not send OPTIONS message to sip server, finish;
Step S402, terminal sends OPTIONS message to sip server;
Whether step S403, sip server preserve this terminal use's CAMEL-Subscription-Information according to the authorization data inquiry sip server of this terminal of preserving, if carry out step S404, otherwise carry out step S406 after receiving this OPTIONS message;
Step S404, sip server is known the application type of this terminal use under signatory according to this CAMEL-Subscription-Information;
Step S405, sip server is according to above-mentioned application type, search the mapping table of mapping relations between the application type of sign sip server support and the METHOD that sip server is supported in order to realize the application-specific type, to know the pairing METHOD of above-mentioned application type, and the pairing METHOD of above-mentioned application type write the OPTIONS response message, carry out step S407;
Step S406, sip server writes the OPTIONS response message with error code;
Step S407, sip server returns the OPTIONS response message to terminal.
In the present embodiment, whether terminal also can not be set up first sign is judged just directly to sip server transmission OPTIONS message, because in this case, when sip server inquiry during less than the authorization data of this terminal, error code can be write the OPTIONS response message, and return the OPTIONS response message to terminal.
Embodiment four
Present embodiment with terminal with the intercommunication process of sip server in the METHOD that obtains be the METHOD that sip server is supported at the application-specific type of this terminal use and its request, and by the authorization data of non-OPTIONS message carried terminal and the situation of application type sign is that example describes, giving the non-OPTIONS message of sip server with this band authorization data below is that INVITE is an example, but non-OPTIONS message is not limited to INVITE.
The flow process of the authorization data of this terminal of terminal notice sip server may further comprise the steps as shown in Figure 5 in the present embodiment:
Step S501, terminal sends INVITE to sip server, wherein carries the application type sign of the authorization data of this terminal and the application type that this terminal is asked;
After step S502, sip server receive this INVITE, resolve and preserve its authorization data that carries and application type sign;
Step S503, sip server return the response message of this INVITE to terminal;
Step S504, terminal judges whether this response message identifies authorization data and application type sign that sip server has been known this terminal, if second sign is set after receiving the response message of this INVITE; Otherwise do not process.
In this step, do not know the authorization data of this terminal and the situation of application type sign when judged result for this response message identifies sip server, can return authorization data and application type sign that step S501 notifies this terminal of sip server again yet.
Terminal obtains that sip server supports in the present embodiment at the flow process of the METHOD of the application-specific type of this terminal and its request as shown in Figure 6, may further comprise the steps:
Step S601, whether terminal judges second sign is set up, if, execution in step S602, otherwise, do not send OPTIONS message to sip server, finish;
Step S602, terminal sends OPTIONS message to sip server;
Whether step S603, sip server preserve this terminal use's CAMEL-Subscription-Information according to the authorization data inquiry sip server of this terminal of preserving, if carry out step S604, otherwise carry out step S607 after receiving this OPTIONS message;
Step S604, sip server is known the application type of this terminal use under signatory according to this CAMEL-Subscription-Information;
Step S605, sip server judge this terminal use signatory down application type and the application type that sends of this user of preservation identify the application type that shows whether exist common some or all of, if carry out step S606, otherwise carry out step S607;
Step S606, common application type in the application type that application type under sip server is contracted according to this terminal use and above-mentioned application type sign show, search the mapping table of mapping relations between the application type of sign sip server support and the METHOD that sip server is supported in order to realize the application-specific type, to know the pairing METHOD of above-mentioned common application type, and the pairing METHOD of above-mentioned common application type write the OPTIONS response message, carry out step S608;
Step S607, sip server writes the OPTIONS response message with error code;
Step S608, sip server returns the OPTIONS response message to terminal.
In the present embodiment, whether terminal also can not be set up second sign is judged just directly to sip server transmission OPTIONS message, in this case, when sip server is inquired about the application type sign that sends less than this terminal, error code is write the OPTIONS response message, and return the OPTIONS response message to terminal.
The intercommunicating system of terminal and sip server among the present invention as shown in Figure 7, comprises first sending module 10 and first receiver module 20 that are positioned on the terminal, is positioned at second sending module 50, second receiver module 30 and enquiry module 40 on the sip server, wherein:
First sending module 10 generates first message of carrying authorization data or authorization data and application type sign, and sends to second receiver module 30;
The corresponding METHOD that enquiry module 40 is supported according to authorization data or authorization data and application type sign inquiry sip server, and send to second sending module 50, enquiry module 40 comprises the query unit 401 and first memory cell 402, wherein:
Second sending module 50 generates and carries second message of METHOD, and sends to first receiver module 20.
Among the present invention in the intercommunicating system of terminal and sip server, sip server can also comprise second memory cell 60 that is connected with enquiry module 40 with second receiver module 30, is used to preserve authorization data or authorization data and the application type sign that second receiver module 30 parses.Enquiry module 40 is after second receiver module 30 receives OPTIONS message, according to the corresponding METHOD of the authorization data of protecting 60 preservations of second memory cell or authorization data and the support of application type sign inquiry sip server, and send to second sending module 50.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. the interoperability methods of terminal and server is characterized in that, may further comprise the steps:
Terminal sends OPTIONS message to sip server, the method that the inquiry sip server is supported,
In described OPTIONS message, carry its authorization data or authorization data and application type sign;
Described sip server carries out authentication according to described authorization data or authorization data and application type sign to described terminal, determine user's application type, and determine the correlation method METHOD that described sip server that sip server returns to described terminal is supported according to the result
Described sip server sends to described terminal with the correlation method METHOD of described sip server support.
2. the method for claim 1 is characterized in that,
Described terminal is carried at described authorization data or authorization data and application type sign and sends to described sip server in the OPTIONS message;
Described sip server is carried at described METHOD and sends to described terminal in the OPTIONS response message.
3. method as claimed in claim 2 is characterized in that,
Described sip server is preserved authorization data or authorization data and the application type sign that described terminal sends; And after the OPTIONS message that receives from described terminal, correlation method METHOD according to the authorization data of preserving or authorization data and the described sip server support of application type sign inquiry is carried at described METHOD then and sends to described terminal in the OPTIONS response message.
4. method as claimed in claim 3 is characterized in that,
After described sip server is preserved described authorization data or authorization data and application type sign, also notify described terminal to obtain described authorization data or authorization data and application type sign;
Described terminal sends OPTIONS message to described sip server again after receiving described notice.
5. as claim 3 or 4 described methods, it is characterized in that, the corresponding METHOD that described sip server is inquired about described sip server support according to the authorization data of described preservation comprises: described sip server is inquired about the described terminal use's of described sip server preservation CAMEL-Subscription-Information according to described authorization data, when inquiring described CAMEL-Subscription-Information, know the signatory application type down of described terminal use according to described CAMEL-Subscription-Information, and inquire about the corresponding METHOD of described sip server support according to described application type.
6. method as claimed in claim 5, it is characterized in that, the described corresponding METHOD that inquires about described sip server support according to described application type comprises: search the application type of the described sip server support of sign and the described sip server mapping table for mapping relations between the METHOD that realizes the application-specific type and support according to described application type, to know the pairing METHOD of described application type.
7. as claim 3 or 4 described methods, it is characterized in that described sip server comprises according to the authorization data of described preservation and the corresponding METHOD of the described sip server support of application type sign inquiry:
Inquire about the described terminal use's that described sip server preserves CAMEL-Subscription-Information according to described authorization data, when inquiring described CAMEL-Subscription-Information, know the application type of described terminal use under signatory according to described CAMEL-Subscription-Information;
Judge that described signatory application type and described application type down identifies the application type that shows and whether exist common some or all of, when having common application type, inquire about the corresponding METHOD that described sip server is supported according to described common application type.
8. method as claimed in claim 7, it is characterized in that, the described corresponding METHOD that inquires about described sip server support according to described common application type comprises: search the application type of the described sip server support of sign and the described sip server mapping table for mapping relations between the METHOD that realizes the application-specific type and support according to described common application type, to know the pairing METHOD of described application type.
9. the method for claim 1 is characterized in that, described authorization data comprises the user ID of described terminal.
10. the intercommunicating system of terminal and server, comprise first sending module and first receiver module that are positioned on the terminal, be positioned at second sending module and second receiver module on the Session initiation protocol SIP server, it is characterized in that, described system also comprises the enquiry module that is positioned on the sip server, wherein:
Described first sending module generates first message of carrying authorization data or authorization data and application type sign, and sends to described second receiver module;
Described second receiver module is resolved authorization data or authorization data and the application type sign in described first message, and exports described authorization data or authorization data and application type sign;
Described enquiry module carries out authentication according to described authorization data or authorization data and application type sign to described terminal, determine user's application type, and determine the correlation method METHOD that described sip server that sip server returns to described terminal is supported according to the result
Described second sending module generates second message of the correlation method METHOD that carries described sip server support, and sends to described first receiver module.
11. system as claimed in claim 10 is characterized in that, described enquiry module comprises:
First memory cell, the mapping table of mapping relations between the METHOD that the application type of preservation sip server support and sip server are supported in order to realize the application-specific type;
Query unit according to authorization data or authorization data and application type sign, is searched the mapping table that described first memory cell is preserved, and with the corresponding METHOD of knowing that sip server is supported, and sends to described second sending module.
12. as claim 10 or 11 described systems, it is characterized in that described system also comprises second memory cell, be used to preserve authorization data or authorization data and the application type sign that described second receiver module parses, and export to described enquiry module.
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| CN103179118A (en) * | 2013-03-19 | 2013-06-26 | 杭州迈可行通信股份有限公司 | SIP++ (Session Initiation Protocol++) based on scheduling system |
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| CN1428029A (en) * | 2000-03-03 | 2003-07-02 | 高通股份有限公司 | System and method for providing group communication services |
| CN1503524A (en) * | 2002-11-23 | 2004-06-09 | 深圳市中兴通讯股份有限公司 | Method of interconnected business providing between control equipment and business equipment in IP network |
| CN1655553A (en) * | 2004-02-11 | 2005-08-17 | 微软公司 | System and method for facilitating third-party call and device control |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1428029A (en) * | 2000-03-03 | 2003-07-02 | 高通股份有限公司 | System and method for providing group communication services |
| CN1503524A (en) * | 2002-11-23 | 2004-06-09 | 深圳市中兴通讯股份有限公司 | Method of interconnected business providing between control equipment and business equipment in IP network |
| CN1655553A (en) * | 2004-02-11 | 2005-08-17 | 微软公司 | System and method for facilitating third-party call and device control |
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