User Guide
38
mail system) 
Send DTMF: 
  in-audio  via RTP (RFC2833)  via SIP INFO 
Early Dial: 
  No     Yes (use "Yes" only if proxy supports 484 
response) 
Dial Plan Prefix: 
  (this prefix string is added to each dialed number) 
Enable Call Features: 
  No  Yes (if Yes, Call Forwarding & Call-Waiting-
Disable are supported locally) 
Session Expiration: 
180
(in seconds. default 180 seconds) 
Min-SE: 
90
(in seconds. default and minimum 90 seconds) 
Caller Request Timer: 
   No      Yes (Request for timer when making outbound 
calls) 
Callee Request Timer: 
   No    Yes (When caller supports timer but did not 
request one) 
Force Timer: 
   No    Yes (Use timer even when remote party does not 
support) 
UAC Specify Refresher: 
  UAC  UAS  Omit (Recommended) 
UAS Specify Refresher: 
  UAC  UAS (When UAC did not specify refresher tag) 
Force INVITE: 
   No  Yes (Always refresh with INVITE instead of 
UPDATE) 
Enable 100rel: 
   No   Yes 
Account Ring Tone: 
  system ring tone 
  custom ring tone 1 
  custom ring tone 2 
  custom ring tone 3 
Send Anonymous: 
  No  Yes (caller ID will be blocked if set to Yes) 
Auto Answer: 
  No  Yes 
Allow Auto Answer by Call-
I
nfo: 
  No  Yes 










