Everything works perfect with the ITSP SIP trunk. It registers, and calls go out an in with no problems:
CMELDA001#sh sip-ua register status Line peer expires(sec) registered P-Associ-URI ================================ ========== ============ ========== ============ 7143167791 -1 2834 yes
P.S.: the ephone-dn numbers are already with "no-reg" option, just to isolate them from registering in the sip-ua trunk.
THE PROBLEM is: when this sip-ua trunk goes up, I cant receive calls from the PBX. The call is placed, the phone on the UC540 rings, I answer but it continues ringing on the originating phone up to 20 seconds.
It starts when I put the "registrar" command. Issuing the "no registrar" under the sip-ua, I start receiving calls again from the PBX.
Do someone had a similar problem? I am attaching the debugs with the sip registrar (not working) and without (working).
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