Call completion services for hybrid public/private...

Details Call completion services for hybrid public/private... Call completion services for hybrid public/private...

2007-04-10

2007-04-10

Bui, Bing Q. (Department: 2614)

Telephonic communications

Special services

Repetitive call attempts

C379S207040, C379S210010

Reexamination Certificate

active

10385226

ABSTRACT:
A communications network with callback completion to public network stations. An enterprise private network (EPN) includes a communications server, e.g., a private branch exchange (PBX) managing communications with communications devices located at EPN stations and is connected to a public communications network. A call completion (CC) server connected through a Parlay Gateway to the public communications network manages callback requests from connected communications devices to public communications network stations. Call completion to busy subscriber (CCBS) and call completion on no reply (CCNR) services are thus made available from the EPN to the public network or networks including a mixture of public and private telephones.

REFERENCES:
patent: 4166929 (1979-09-01), Sheinbein
patent: 6208723 (2001-03-01), Frey, Jr.
patent: 6546096 (2003-04-01), Meiden et al.
patent: 6687359 (2004-02-01), D'Arcy et al.
patent: 6882719 (2005-04-01), Lee
patent: 6882720 (2005-04-01), Booton

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