Telephonic communications – Special services – Call diversion
Reexamination Certificate
2007-04-10
2007-04-10
Tsang, Fan (Department: 2614)
Telephonic communications
Special services
Call diversion
C379S207020
Reexamination Certificate
active
10439829
ABSTRACT:
AIN based call routing and transfer methods are disclosed. In various embodiments call routing is based upon the availability of the requested party at the called premise and entered DTMF signals. DTMF signals and AIN mid-call triggers are used in some embodiments to support call transfer to voice mail and other services. DTMF signals and TAT triggers are used in other embodiments to support call transfer to voice mail and other services.
REFERENCES:
patent: 5692033 (1997-11-01), Farris
patent: 6456709 (2002-09-01), Cox et al.
patent: 6792094 (2004-09-01), Kirkpatrick
patent: 2004/0218734 (2004-11-01), Gilbert et al.
patent: 2005/0031112 (2005-02-01), Bezner et al.
Anwah Olisa
Tsang Fan
Verizon Services Corp.
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