User's Manual
Firmware Version 1.0.0.5 
UCM6510 IP PBX User Manual 
Page 149 of 192 
setting is 100. 
Auto Kill 
If  set to  "yes",  the  connection  will  be terminated  if  ACK for  the  NEW 
message  is  not  received  within  2000ms.  Users  could  also  specify 
number (in milliseconds) in addition to "yes" and "no". The default setting 
is "yes". 
Authentication Debugging 
If enabled, authentication traffic in debugging will not show. The default 
setting is "No".   
Codec Priority 
Configure codec negotiation priority. The default setting is "Reqonly". 
  Caller 
Consider the callers preferred order ahead of the host's. 
  Host 
Consider the host's preferred order ahead of the caller's. 
  Disabled 
Disable the consideration of codec preference all together. 
  Reqonly 
This is almost the same as "Disabled", except when the requested 
format  is  not  available.  The  call  will  only  be  accepted  if  the 
requested format is available.   
Type of Service 
Configure ToS bit for preferred IP routing. 
IAX Trunk Options 
Trunk Frequency 
Configure the frequency of trunk frames (in milliseconds). The  default 
setting is 20. 
Trunk Time Stamps 
If  enabled,  time  stamps  will  be  attached  to  trunk  frames.  The  default 
setting is "No". 
IAX SETTINGS/STATIC DEFENSE 
Table 50: IAX Settings/Static Defense 
Call Token Optional 
Enter a single IP address or a range of IP addresses for which call token 
validation is not required. 
For example: 
11.11.11.11 
11.11.11.11/22.22.22.22. 
Max Call Numbers 
Configure the maximum number of calls allowed for a single IP address. 
Max Unvalidated Call Numbers 
Configure  the  maximum  number  of  unvalidated  calls  for  all  IP 
addresses. 
Call Number Limits 
Configure to limit the number of calls for a give IP address of IP range. 










