Codec Selection - Avaya Nortel Communication Server 1000 Manual

224 Codecs
Best Quality (BQ) sorting
For mu-law systems
G.729A_30msec
G.729A_40msec
G.729A_50msec
G.729AB_10msec
G.729AB_20msec
G.729AB_30msec
G.729AB_40msec
G.729AB_50msec
G.723.1_5.3kb/s_30ms
G.723.1_6.4kb/s_30ms
T.38
G.711CC

Codec selection

For every virtual trunk call, a codec must be selected before the media
path is opened.
When a call setup with the FastStart procedure is used, the terminating
node selects a common codec and sends the selected codec to the
originating node. For a call modification (media redirection) or for a call
setup using the SlowStart procedure, the codec selection occurs on both
Copyright © 2003–2008, Nortel Networks
.
For a-law systems
G.729A_30msec
G.729A_40msec
G.729A_50msec
G.729AB_10msec
G.729AB_20msec
G.729AB_30msec
G.729AB_40msec
G.729AB_50msec
G.723.1_5.3kb/s_30ms
G.723.1_6.4kb/s_30ms
T.38
G.711CC
Nortel Communication Server 1000
IP Line Fundamentals
NN43100-500 02.02 Standard
Release 5.5 4 February 2008
Best Bandwidth (BB) sorting
For mu-law systems
G.729A_20msec
G.729A_10msec
G.723.1_5.3kb/s_30m
s
G.723.1_6.4kb/s_30m
s
G.711_mu_law_30ms
ec
G.711_mu_law_20ms
ec
G.711_mu_law_10ms
ec
G.711_a_law_30mse
c
G.711_a_law_20mse
c
G.711_a_law_10mse
c
T.38
G.711CC
For a-law systems
G.729A_20msec
G.729A_10msec
G.723.1_5.3kb/s_3
0ms
G.723.1_6.4kb/s_3
0ms
G.711_a_law_30m
sec
G.711_a_law_20m
sec
G.711_a_law_10m
sec
G.711_mu_law_30
msec
G.711_mu_law_20
msec
G.711_mu_law_10
msec
T.38
G.711CC