Private branch exchange system

Details Private branch exchange system Private branch exchange system

2006-10-24

2006-10-24

Gesesse, Tilahun (Department: 2618)

Telecommunications

Radiotelephone system

Including public cordless extension system

C455S426200, C455S554100, C455S555000, C379S232000

Reexamination Certificate

active

07127263

ABSTRACT:
Each of a plurality of mobile stations is provided with a plurality of extension numbers including at least one unique extension number, and different lines are set for the plurality of extension numbers respectively. This enables a call using a line even when another call is made using another line.

REFERENCES:
patent: 5375162 (1994-12-01), Kim et al.
patent: 5379339 (1995-01-01), Sakamoto
patent: 5481590 (1996-01-01), Grimes
patent: 5517551 (1996-05-01), Arai
patent: 5544226 (1996-08-01), Weis et al.
patent: 5544227 (1996-08-01), Blust et al.
patent: 5594777 (1997-01-01), Makkonen et al.
patent: 5734699 (1998-03-01), Lu et al.
patent: 5757902 (1998-05-01), Mitsuo
patent: 5771465 (1998-06-01), Bojeryd
patent: 5797091 (1998-08-01), Clise et al.
patent: 5839067 (1998-11-01), Jonsson
patent: 5841854 (1998-11-01), Schumacher et al.
patent: 5978667 (1999-11-01), Suzuki et al.
patent: 6021176 (2000-02-01), McKendry et al.
patent: 6134431 (2000-10-01), Matsumoto et al.
patent: 6212377 (2001-04-01), Dufour et al.
patent: 6223055 (2001-04-01), Cyr
patent: 6289089 (2001-09-01), Rippstein
patent: 6321084 (2001-11-01), Horrer
patent: 0529359 (1993-03-01), None
patent: 61-65654 (1984-09-01), None
patent: 61-242446 (1986-10-01), None
patent: 02-069094 (1990-03-01), None
patent: 03-285490 (1991-12-01), None
patent: 07-030656 (1995-01-01), None
patent: 07-274255 (1995-10-01), None
patent: 8149557 (1996-06-01), None
patent: 08-228384 (1996-09-01), None
patent: 08-289040 (1996-11-01), None
patent: 09-009354 (1997-01-01), None
patent: 09-028440 (1997-02-01), None
patent: 09-084137 (1997-03-01), None
patent: 10-327437 (1998-12-01), None
patent: 10-327467 (1998-12-01), None

Affiliated with

Also associated with

Rating

Private branch exchange system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Private branch exchange system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Private branch exchange system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3703681