SYSTEM AND METHOD FOR DETERMINING TRUST FOR SIP MESSAGES
First Claim
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1. A method for handling service restoration, the method comprising:
- receiving a SIP request from a user equipment (UE); and
sending a first SIP response to the UE, the first SIP response being a SIP server timeout message, the SIP server timeout message including at least a first field set to a value equal to a value provided in a second field, the second field included in a second SIP response to a SIP REGISTER request of the UE.
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Abstract
A method for performing initial registration is provided. The method includes receiving a server timeout message, the server timeout message including at least a field set to a value equal to a value received during a first registration. The method further includes initiating restoration procedures by performing an initial registration.
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Citations
10 Claims
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1. A method for handling service restoration, the method comprising:
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receiving a SIP request from a user equipment (UE); and sending a first SIP response to the UE, the first SIP response being a SIP server timeout message, the SIP server timeout message including at least a first field set to a value equal to a value provided in a second field, the second field included in a second SIP response to a SIP REGISTER request of the UE. - View Dependent Claims (2, 3, 4, 5)
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6. A user agent (UA) to handle service restoration, the UA comprising:
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one or more processors configured to; receive a SIP request from a user equipment (UE); and send a first SIP response to the UE, the first SIP response being a SIP server timeout message, the SIP server timeout message including a first field set to a value equal to a value provided in a second field during a first registration, the second field included in a second SIP response to a SIP REGISTER request. - View Dependent Claims (7, 8, 9, 10)
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Specification