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NO Dial tone on FXS port when Prefix DN is configured in CUCM

richard.leclerc
Level 1
Level 1

In CUCM 9.1, I noticed that there is no dial tone on FXS port on VG224 when prefix DN is configured in CUCM.

If we remove the prefix DN, then we can make calls. This seems to be new because this is working in CUCM 6.1 and 7.1.

Any parameter to change on VG or in CUCM?

Thanks

4 Replies 4

Robert Thomas
Level 7
Level 7


I remember running into a case like this in the past. I dont remember too much right now since it was a while back, but if my memory is correct it was a change of functionality or a caveat.

I can try to pull up my notes sometime tomorrow and report back.

Sent from Cisco Technical Support iPad App

Hello,

Would be great if you can.

I tried to find any bug or parameter but no luck

Thanks

jasonmdahl
Level 1
Level 1

I have been having this exact same issue, when we add the prefix DN it doesn't work.

Thanks,

Jason

Josue Diaz
Level 1
Level 1

I have the same problem. Does anyone know how to solve this or what could be causing this issue?

Thanks.