NG-188 User Manual
2.5.10 Audio Settings
CODEC:
select the prefer CODEC; support ulaw, alaw and G729
Signal Standard:
Support CHINA, Japan and USA standard
Input Volume:
Handset in volume.
Output Volume:
Handset out volume.
G729 Payload Length:
G729 payload length
VAD:
Enable/disable Voice Activity Detection
FAX Mode:
select the FAX Mode
2.5.11
VPN
this page is VPN setting page , the IP phone support the VPN with UDP and L2TP
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