William, I concur. No forum, no group like CSC. We are make it the quintessence of excellence. What a huge honour to be part of it.
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"There is a wideness in God's mercy Like the wideness of the sea.There's a kindness in His justice Which is more than liberty"
I know this is an old post, but I have the same issue. But it is with a 7821 and my CM is 9.1.2, I downloaded the cnf.xml and see that TVS is using an IP address. The phone isn't configured with DNS. I'm a little stumped and out of ideas. I've been reading the forums, and come across your solutions, all extremely helpful. Any ideas as to why I get a "host not found" when trying to access the corporate directory? I tried resetting the phone, but no joy.
I have the same issue somehow, the problem is I have changed all the CUCM names to its IP address but the error I get is select service.
1) in system / server must be IP not a name
2) in system / Enterprise Parameters
Phone URL Parameters http://IP:8080/ .... ( all must be IP not an hostname)
Secured Phone URL Parameters https://IP:8443/ ...( all must be IP not an hostname)