Welltech VoIP ATA series V.2.1 - Manual (Page 88)

ATA-171/172/171P/171M/171+/172+
User’s Guide
G.711 & G.729 Default: 20 ms；G.711 & G.729 Packet length. Provides 10ms，
20ms，30ms，40ms，50ms，60ms，70ms，80ms，90ms mode.
G.723 Default: 30 ms；G.723 Packet Length. Provides 30ms，60ms，
90ms mode.
G.723 5.3K Provide G.723 5.3K information.
Voice VAD Default: Off ； G.723 5.3K function. When setting ON, 5.3K
function will be active. Provides ON and OFF mode.
Voice VAD Provide Voice VAD information.
Voice VAD Default: OFF. When setting ON, (Voice Active Detection. VAD)
will be active, provides ON and OFF mode.
Submit [Button] Submit the change.
Reset [Button] Clear the change.
Figure 2: With iLBC function
Figure 2
Codec Priority Provide the Codec Priority.
Codec Priority 1 Default: G.711 u-law；Codec Priority 1. Provides No used，
G.711u-law ， G.711a-law ， G.279 ， G.726–16 ， G.726–24 ，
G.726–32，G.726–40，iLBC mode.
Codec Priority 2 Default: G.711a-law；Codec Priority 2.
Codec Priority 3 Default: G.729；Codec Priority 4.
Codec Priority 4 Default: G.726-16；Codec Priority 5.
Codec Priority 5 Default: G.726-24；Codec Priority 6.
Codec Priority 6 Default: G.726-32；Codec Priority 7.
Codec Priority 7 Default: G.726-40；Codec Priority 8.
Codec Priority 8 Default: iLBC；Codec Priority 9.
RTP Packet
Length Provides RTP Packet Length information.