Page 294 of 910 Codecs
553-3001-365 Standard 4.00 August 2005
Minimum codecs
The minimum number of codecs registered for DSPs is four:
• G.711 a-law
• G.711 mu-law
•T.38
• G.711 Clear Channel
Maximum codecs
The maximum number of codecs registered for DSPs is six:
• G.711 a-law
• G.711 mu-law
•T.38
• G.711 Clear Channel
• one of G.729AB and/or G.729A, or G.723.1
Example 1
A user configures four codecs:
1G.711 a-law codec with a 10 msec payload
2G.729A codec with 50 msec payload
3G.729AB codec with 30 msec payload
4G.723.1 codec with a 30 msec payload
The following six codecs are actually registered:
1G.711 a-law (10 msec)
2G.711 mu-law (10 msec)
3G.729AB (30 msec)
4G.729A (50 msec)
5T.38
6G.711 Clear Channel