SIP-based feature control
AssigneeWorldCom, Inc.
InventorsSteven R. Donovan, Raghavan Devanathan
Life of this patent
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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.
Claims1
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), at least one SIP server for implementing features, and messages including at least one field header, comprising the steps of:
- adding feature status information to a message from the UAC to the SIP server;
- transmitting said message to the SIP server;
- and
- implementing said features according to the feature status information in said message.
Dependencies are inferred from the claim text.