Voice Configuration

BasicExtensionVoice QualityPSTN PrefixCall Log
Voice Extension Settings

  Encode SIP option with the user agent:  
Encode SIP URI with user=phone parameter
SIP Register with expire time: seconds (range:30 ~ 86400)
SIP Session Timer: seconds
(This value must not be less than Min-SE value.)
SIP Min-SE value: seconds (minimum: 90 seconds)
Do not send my phone number
Send telephone events via
using payload type
(valid value:96 ~ 127)