IAX ATCOM AG188N 
use AG188N instead of SPA2102/3000 to connect ATCOM  IP01, when swith to Switchfin, the user cannot be athenticate with the following error in log: 
Call rejected, CallToken Support required. If unexpected, resolve by placing address 192.168.xx.xx in the calltokenoptional list or setting user 6xxx requirecalltoken=no 
 
after searching a while, add the following to the user.conf under 6xxx 
requirecalltoken=no,  
then the 6xxx can autheticate to IP01 |