Message handling in an IP multimedia subsystem
US9648048B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Jun 8, 2016 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Jun 8, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2101/385
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of handling a Session Initiation Protocol (SIP) communication at a SIP application server within an IP Multimedia Subsystem, the method including handling a message received from a Serving Call/State Control Function node based upon a header of the message containing the URI of the served user. The SIP message is handled according to one of an originating case based upon a P-Asserted Identity contained in the SIP message or a terminating case using a Request-Uniform Resource Identifier (R-URI) of the SIP message, the appropriate case being identified in said header.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.