Method and apparatus for managing voice call quality over...

Details Method and apparatus for managing voice call quality over... Method and apparatus for managing voice call quality over...

2006-09-19

2006-09-19

Ngo, Ricky Q. (Department: 2616)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

C375S372000

Reexamination Certificate

active

07110422

ABSTRACT:
The present invention relates to an apparatus and method for maintaining voice call quality over a packet network by providing optimal de-jitter buffer depth and rate of change of depth. Buffer depth and rate of change of buffer depth may be initially determined by classifying the incoming call. Classification of the incoming calls may be accomplished by categorizing calls into groups based on characteristics of the calls. The buffer depth and rate of change of depth may be further optimized at the start of calls based on voice-path delay and packet loss probability measurements over one or more calls of the same class such that the voice-path delay is minimized while maintaining a certain packet loss probability, the packet loss probability is minimized while maintaining a certain voice-path delay, or an R-factor, which is an objective measure of voice quality, is maximized.

REFERENCES:
patent: 4569042 (1986-02-01), Larson
patent: 5550807 (1996-08-01), Kuroshita
patent: 5646568 (1997-07-01), Sato
patent: 5737314 (1998-04-01), Hatono et al.
patent: 5790543 (1998-08-01), Cloutier
patent: 5805602 (1998-09-01), Cloutier et al.
patent: 6229788 (2001-05-01), Graves et al.
patent: 6275707 (2001-08-01), Reed et al.
patent: 6295532 (2001-09-01), Hawkinson
patent: 6456590 (2002-09-01), Ren et al.
patent: 6683889 (2004-01-01), Shaffer et al.
patent: 6757292 (2004-06-01), Pate et al.
patent: 6961315 (2005-11-01), Amster et al.
patent: 2001/0036158 (2001-11-01), Hallenstal et al.
patent: 2002/0064187 (2002-05-01), Bharucha et al.
patent: 2002/0161542 (2002-10-01), Jones et al.
patent: 2002/0172148 (2002-11-01), Kim et al.
patent: 2003/0115320 (2003-06-01), Yarroll et al.

Affiliated with

Also associated with

Rating

Method and apparatus for managing voice call quality over... 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 managing voice call quality over..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for managing voice call quality over... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3551240