User's Manual
Firmware Version 1.0.0.5 
UCM6510 IP PBX User Manual 
Page 65 of 192 
  Local Subnet Only 
Only the user in specific subnet can register this extension. Up to 
three subnet addresses can be specified. 
  A Specific IP Address.   
Only  the  device  on  the  specific  IP  address  can  register  this 
extension. 
The default setting is "Allow All". 
Skip Trunk Auth 
If  enabled,  users  will  not  need  enter  the  "PIN  Set"  required  by  the 
outbound rule to make outbound calls. The default setting is "No". 
Codec Preference 
Select audio and video codec for the extension. The available codecs 
are: PCMU, PCMA, GSM, AAL2-G.726-32, G.722, G.729, G.723, ILBC, 
ADPCM, LPC10, H.264, H.263 and H.263p. 
EDIT EXTENSION 
All  the  UCM6510  extensions  are  listed  under  web  GUI->PBX->Basic/Call  Routes->Extensions,  with 
status, Extension, CallerID Name, Technology (SIP, IAX and FXS), IP and Port. Each extension has a 
checkbox for users to "Modify Selected Extensions" or "Delete Selected Extensions". Also, options "Edit" 
, "Reboot"    and "Delete"    are available per extension. 
  Status 
Users can see the following icon for each extension to indicate the SIP status. 
    Green:      Free 
    Blue:      Ringing 
    Yellow:      In Use 
    Grey:      Unavailable 
  Edit single extension 
Click on  to start editing the extension parameters. 
  Reboot the user 










