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US 2014/0006630 A1Published application
Session initiation protocol (sip) for message throttling
OwnerYigang Cai, Suzann Huainventors
Life of this patent
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Abstract
Systems and methods that use SIP for message throttling. A system includes a SIP client that communicates with a SIP server. When in operation, the SIP client sends a SIP request to the SIP server, such as a SIP INVITE. The SIP client then receives a SIP response from the SIP server answering the request. The SIP client parses the SIP response to identify an overload indicator which indicates that an overload condition exists in the SIP server, and limits additional SIP requests toward the SIP server based on the overload indicator.
Claims20
A system comprising:
- a Session Initiation Protocol (SIP) client configured to send a SIP request to a SIP server, and to receive a SIP response from the SIP server;
- wherein the SIP client is configured to parse the SIP response to identify an overload indicator which indicates that an overload condition exists in the SIP server, and to limit additional SIP requests toward the SIP server based on the overload indicator.
A method comprising
- sending a Session Initiation Protocol (SIP) request from a SIP client to a SIP server;
- receiving a SIP response in the SIP client from the SIP server;
- parsing the SIP response in the SIP client to identify an overload indicator which indicates that an overload condition exists in the SIP server;
- and
- limiting additional SIP requests toward the SIP server based on the overload indicator.
2 more elements
A system comprising:
- a Session Initiation Protocol (SIP) server configured to receive a SIP request from a SIP client, and to generate a SIP response that answers the SIP request;
- the SIP server is configured to detect an overload condition, to insert an overload indicator in the SIP response that the overload condition exists, and to transmit the SIP response to the SIP client.
Dependencies are inferred from the claim text.