Voice Setting
Codec Priority	1st G.723.1G.729aG.711mu-LawG.711A-LawG.729X	2nd G.723.1G.729aG.711mu-LawG.711A-LawG.729X	3rd G.723.1G.729aG.711mu-LawG.711A-LawG.729X	4th G.723.1G.729aG.711mu-LawG.711A-LawG.729X	5th G.723.1G.729aG.711mu-LawG.711A-LawG.729X
Frame Size	G.723.1 30ms60ms90ms	G.729a 20ms40ms60ms80ms	G.729 20ms40ms60ms80ms	G.711mu 20ms40ms60ms	G.711A 20ms40ms60ms
G.723 Silence Suppression:	enable disable
Volume:	voice	input		DTMF
Echo Cancelor:	enable disable
Jitter Buffer:	Min. Delay		Max. Delay