Messaging services for digital subscriber loop

Details Messaging services for digital subscriber loop Messaging services for digital subscriber loop

2007-04-10

2007-04-10

To, Doris H. (Department: 2616)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S395100, C370S466000, C379S211020, C455S413000

Reexamination Certificate

active

10089714

ABSTRACT:
System and method for providing a messaging service, such as a voice mail service over a digital subscriber loop are presented. An incoming call is first routed to a service processor. The incoming call is to be delivered over the digital subscriber loop to a receiving device. A determination is made as to whether or not the incoming call is answered by the receiving device. The incoming call is routed to a message processor if the incoming call is not answered by the receiving device. The incoming call is stored at the message processor for later retrieval.

REFERENCES:
patent: 5007076 (1991-04-01), Blakley
patent: 5858142 (1999-01-01), Yaker
patent: 6091736 (2000-07-01), Hayashi
patent: 6359881 (2002-03-01), Gerszberg et al.
patent: 6407997 (2002-06-01), DeNap et al.
patent: 6526058 (2003-02-01), Czajkowski et al.
patent: 0928123 (1999-07-01), None

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