Method and apparatus of call conferencing in a telephone exchang

Telephonic communications – Special services – Conferencing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

379158, 379204, 379205, H04M 342

Patent

active

060350261

ABSTRACT:
A method and apparatus for call conferencing between multiline subscribers in a telephone exchange system, the multiline subscribers having at least one phone number jointly and at least one common key, each common key representing a corresponding joint phone number. A common key of a corresponding joint phone number is pressed to set up a conference call while a multiline subscriber is communicating with or making a conference call to a subscriber.

REFERENCES:
patent: 4232198 (1980-11-01), Warman
patent: 4475193 (1984-10-01), Brown
patent: 4514594 (1985-04-01), Brown et al.
patent: 4523307 (1985-06-01), Brown et al.
patent: 4665545 (1987-05-01), Galensky et al.
patent: 4984263 (1991-01-01), Eun
patent: 5090052 (1992-02-01), Nakajima et al.
patent: 5319702 (1994-06-01), Kitchin et al.
patent: 5442688 (1995-08-01), Katz
patent: 5539812 (1996-07-01), Kitchin et al.
patent: 5559876 (1996-09-01), Alperovich
patent: 5588037 (1996-12-01), Fuller et al.
patent: 5699352 (1997-12-01), Kriete et al.
patent: 5764743 (1998-06-01), Goedken 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 of call conferencing in a telephone exchang 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 of call conferencing in a telephone exchang, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus of call conferencing in a telephone exchang will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-369930

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