SIP Server:   (e.g., sip.mycompany.com, or IP address)
Outbound Proxy:   (e.g., proxy.myprovider.com, or IP address, if any)
SIP User ID:   (the user part of an SIP address)
Authenticate ID:   (can be identical to or different from SIP User ID)
Authenticate Password:   (purposely not displayed for security protection)
Name:   (optional, e.g., John Doe)
 
Use DNS SRV:   No      Yes
User ID is phone number:    No       Yes
SIP Registration:    No       Yes
Unregister On Reboot:    No       Yes
Register Expiration:   (in minutes. default 1 hour, max 45 days)
local SIP port:   (default 5060)
local RTP port:   (1024-65535, default 5004)
Use random port:   No      Yes
DTMF Payload Type:  
Send DTMF:   in-audio     via RTP (RFC2833)     via SIP INFO
Send Flash Event:   No      Yes   (Flash will be sent as a DTMF event if set to Yes)
Enable Call Features:   No      Yes (if Yes, Call Forwarding & Call-Waiting-Disable are supported locally)
Offhook Auto-Dial:   (User ID/extension to dial automatically when offhook)
Proxy-Require:  
Disable Call-Waiting:   No      Yes
 
Preferred Vocoder:
(in listed order)
  choice 1:  
  choice 2:  
  choice 3:  
  choice 4:  
  choice 5:  
  choice 6:  
Voice Frames per TX:   (up to 10/20/32/64 for G711/G726/G723/other codecs respectively)
G723 rate:   6.3kbps encoding rate       5.3kbps encoding rate
iLBC frame size:   20ms       30ms
iLBC payload type:   (between 96 and 127, default is 97)
Silence Suppression:   No       Yes
Fax Mode:   T.38 (Auto Detect)   Pass-Through
Early Dial:   No       Yes   (use "Yes" only if proxy supports 484 response)
Dial Plan Prefix:   (this prefix string is added to each dialed number)
Use # as Dial Key:   No       Yes   (if set to Yes, "#" will function as the "(Re-)Dial" key)
SUBSCRIBE for MWI:   No, do not send SUBSCRIBE for Message Waiting Indication
  Yes, send periodical SUBSCRIBE for Message Waiting Indication
Send Anonymous:   No      Yes   (caller ID will be blocked if set to Yes)
Lock keypad update:   No      Yes   (configuration update via keypad is disabled if set to Yes)
Special Feature: