Dear All, We are experiencing a weird problem with the Trunk to trunk call forwarding feature.
The call forwarding is not working when an outside caller gets forwarded to another external number.. the call ends up with a dead air, seems like the RTP stream is not getting connected properly as the SIP signaling negotiation process is being completed properly and the receiver phone rings but no audio path when answered. We have tried the resolution xx-9521 but didn't make any differences as the INVITE From ITSP Account was checked .. NAT Traversal, and Server behind NAT are checked in the internet calling form.. SIPX 4.4 on VMWARE server, Polycom IP 650 station, X-lite 4.0 The network diagram: SIPX > SBC> remote Polycom phones(In DMZ) Any helps will be highly appreciated Regards Saad Khankan Toronto- Canada
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