Hi Mark, Thank you again for your response. Comments inline.
? I assume that bono is 192.168.8.106. Yes Bono is 192.168.8.106. ? It seems that sprout is trying to route to the IP address in the URI as an off-net peer (that just happens to be bono), rather than treating the call as an on-net call and using the Service-Route from the accompanying REGISTER. ? I would expect the INVITE to be coming in to sip:6505550637 at oam.eeint.co.uk<http://lists.projectclearwater.org/mailman/listinfo/clearwater_lists.projectclearwater.org>, assuming oam.eeint.co.uk is your home domain. Yes, oam.eeint.co.uk is my home domain. I expected that Bono(P-CSCF) should route this INVITE back to the UE (6505550...@oam.eeint.co.uk<mailto:6505550...@oam.eeint.co.uk>) however, as per my original email Bono responds to this INVITE with 403 Forbidden. Which you mentioned might be because it is sent on UNTRUSTED 5060 rather than 5058. When/where is the translation of the called URI done? I don't see my called IP address in any of the messages. Thanks again, Regards, Brian.
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