TCL-IP (8) User Manual
TCL communication
www.tclcomm.cn
21
6.what kinds of voice codec can be selected for TCL-IP8?
Answer
：
The default voice codec of TCL-IP8 is
PCMU(G.711u).PCMU and PCMA both can supply better quality
voice
，
but possess a big bandwidth which is up to 64kbps.If the
network bandwidth is lower
，
you should select another lower Bit rate
voice codec
，
for example: G.723 or G.729, which possess the lower
bandwidth than the others(G.723 only for 5.3K/6.3K,G.729 for 8K)
，
and also can get better quality voice .If bandwidth is enough, select
PCMU or PCMA
，
or even G.722 (G.722.1 can supply perfect
quality voice) will be better.
