Methods, systems, and computer program products for...

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing

Reexamination Certificate

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Details

C370S352000, C370S353000, C370S354000, C370S355000

Reexamination Certificate

active

11132402

ABSTRACT:
Methods, systems, and computer program products for providing presence-qualified E.164 number mapping (ENUM) service in a communications network. According to one method, a query message including an E.164 number can be received. Next, at least one uniform resource identifier (URI) associated with the E.164 number can be located. A presence server can be queried for presence status information for the URI. Further, the query message can be responded to with the URI and a corresponding presence status.

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Peterson et al., “Using E.164 Numbers With the Session Initiation Protocol (SIP),” Network Working Group, pp. 1-14 (Jun. 2004).

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