What IOS version are you running, I've seen similar behavior on 15.1(3)T. I've seen this in one direction only, from cucm to itsp. In the other direction, itsp to , the gateway sends the full +e164 number (which is what I want).
Dial-peer voice 1 VoIP
Destination pattern .T
Dial-peer voice 2 VoIP
When adding a second outbound dial-peer that starts with destination pattern +.T the + is send!
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Yes, the problem is inbound and already using latest IOS for this old box 15.1.3T4. Seems like a bug, right? I manage to add it back via a trans rule and not a sip profile but anyway I want to know if this is normal behavior or maybe o config issue or just a bug.
Thanks a lot,