Method for providing local and toll services with LNP, and toll-free services to a calling party which originates the call from an IP location connected to a sip-enabled IP network
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United States of America Patent
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Apr 29, 2008
Grant Date -
N/A
app pub date -
Jan 27, 2004
filing date -
Apr 25, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for providing combined local, toll, toll free services, and number portability, to a calling party originating calls from an IP-based communication devices which are coupled to an IP-based multi-media service provider. The method includes receiving a SIP INVITE message, which includes a multi-media service identifier, at the multi-media provider. The SIP INVITE message represents a call request for a multi-media service. The SIP INVITE message is processed at the multi-media provider for determining if the call request can be satisfied. If the multi-media service provider includes resources for satisfying the call, the multi-media service identifier of the SIP INVITE message is set to a first predetermined state and the call is processed. If the multi-media service provider does not include resources for satisfying the call, the multi-media service identifier of the SIP INVITE message is set to a second predetermined state and the call is processed elsewhere.
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