SIP-based feature control
First Claim
Patent Images
1. A system for providing at least one PBX type service in a Session Initiation Protocol (SIP) based network, comprising:
- at least one user agent client configured to insert a feature field header into at least one SIP formatted message; and
at least one SIP server coupled to the at least one user agent client, the SIP server being programmed to process the at least one SIP formatted message, the feature field header including a feature status portion configured to program the at least one SIP server to thereby activate or deactivate the at least one PBX type service.
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Abstract
A system and method for providing an addition to the Session Initiation Protocol is disclosed. The addition is a new field header, preferably entitled “Feature”, that is added to the REGISTER message. This field would contain control information for various feature services, like the Do Not Disturb feature and other services provided by traditional PBX systems.
247 Citations
19 Claims
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1. A system for providing at least one PBX type service in a Session Initiation Protocol (SIP) based network, comprising:
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at least one user agent client configured to insert a feature field header into at least one SIP formatted message; and
at least one SIP server coupled to the at least one user agent client, the SIP server being programmed to process the at least one SIP formatted message, the feature field header including a feature status portion configured to program the at least one SIP server to thereby activate or deactivate the at least one PBX type service. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for providing feature status information in a Session Initiation Protocol (SIP) based network, said network having at least one user agent client (UAC) which is implemented in an end client device used by a user, at least one SIP server for implementing features, and messages including at least one field header, comprising the steps of:
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adding feature status information to a message from the UAC to the SIP server;
transmitting said message to the SIP server;
implementing said features according to the feature status information in said message;
indicating to the end client device what feature status changes the user wishes to make; and
creating feature status information from said indication. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A system for providing feature status information in a Session Initiation Protocol (SIP) based network, said network having method messages including at least INVITE, ACK, OPTIONS, BYE, CANCEL, REGISTER, each said method message having at least one field header, comprising:
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at least one user agent client for using an additional field header to add feature status information to a REGISTER message, said user agent client sending said REGISTER message to at least one SIP server;
said at least one SIP server for receiving said REGISTER message from said at least one user agent client and for implementing features according to the feature status information in said REGISTER message; and
at least one said network for transmitting messages between said at least one user agent client and said at least one SIP server. - View Dependent Claims (18, 19)
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Specification