I have a cisco ATA 191 configured on cucm 11.5 , but the ATA is not Registered on cucm and i can't accees via web browser
but i can ping to it .
I found on syslog RTMT that : device unregistered reason =13
Could you help me please
Solved! Go to Solution.
And that tells you what? Sort out any network related communications issues and see if that makes any difference. Just posting this somewhat meaningless random information is not very helpful in making this go anywhere closer to a solution.