Method and apparatus for enabling dual tone multi-frequency...

Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C370S389000, C370S401000, C379S088170, C379S258000

Reexamination Certificate

active

07924814

ABSTRACT:
The invention provides a method and apparatus for enabling DTMF signal processing in the core VoIP network. More specifically, the present invention enables a VoIP network to recognize and respond to special DTMF signals entered by a user and initiate the appropriate service logic response to satisfy the user's service request.

REFERENCES:
patent: 5982767 (1999-11-01), McIntosh
patent: 6035020 (2000-03-01), Weinstein et al.
patent: 6069891 (2000-05-01), Mandalia et al.
patent: 6075783 (2000-06-01), Voit
patent: 6078581 (2000-06-01), Shtivelman et al.
patent: 6125113 (2000-09-01), Farris et al.
patent: 6141341 (2000-10-01), Jones et al.
patent: 6144670 (2000-11-01), Sponaugle et al.
patent: 6259691 (2001-07-01), Naudus
patent: 6298056 (2001-10-01), Pendse
patent: 6304637 (2001-10-01), Mirashrafi et al.
patent: 7002912 (2006-02-01), Wengrovitz
patent: 7061901 (2006-06-01), Shnitzer et al.
patent: 7075921 (2006-07-01), Siegrist et al.
patent: 7123697 (2006-10-01), Amir et al.
patent: 7305681 (2007-12-01), Khartabil
patent: 7379881 (2008-05-01), Smithies et al.
patent: 7512114 (2009-03-01), Laturell
patent: 2002/0176404 (2002-11-01), Girard
patent: 2003/0050039 (2003-03-01), Baba et al.
patent: 2003/0174693 (2003-09-01), Gallant et al.
patent: 2003/0235282 (2003-12-01), Sichelman et al.
patent: 2004/0161095 (2004-08-01), Kredo et al.
patent: 2005/0152347 (2005-07-01), Chen et al.
patent: 2005/0246235 (2005-11-01), Wilczynski et al.
patent: 2008/0022000 (2008-01-01), Furuya et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method and apparatus for enabling dual tone multi-frequency... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for enabling dual tone multi-frequency..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for enabling dual tone multi-frequency... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2734048

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.