Multiple voicemail account support for a VoIP system

Details Multiple voicemail account support for a VoIP system Multiple voicemail account support for a VoIP system

2006-08-24

2011-11-22

Hsu, Alpus H (Department: 2465)

Multiplex communications

Special services

C370S352000, C370S392000, C370S410000, C370S428000, C379S088120, C379S088170, C379S088220, C379S220010, C379S265090, C709S203000, C709S206000, C709S207000, C709S227000

Reexamination Certificate

active

08064367

ABSTRACT:
In one embodiment, a method includes receiving, at an IP private branch exchange (IP PBX), an event notification message from a user agent corresponding to a voicemail system. The event notification message includes a Request-URI field identifying a Uniform Resource Identifier (URI) of the IP PBX and a header field identifying a target mailbox. The method also includes identifying a URI corresponding to the target mailbox and forwarding the event notification message with a Request-URI field identifying the URI corresponding to the target mailbox.

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B. Campbell et al., RFC 3087—Control of Service Context using SIP Request-URI, Apr. 2001, pp. 1-39.

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