Thanks for the reply. I tried the CallCentric supplied config instructions too and tried both External and Internal IP for the contact field. Still no luck.
I turned verbose logging on and this is what I get... Interesting that the outbound call fails because "User does not exist" but prior to that the Registration with CallCentric succeeds. Registration would not succeed if the user account really did not exist. ???
19:39:32.923 Call::Terminate [CM503008]: Call(2): Call is terminated
19:39:32.892 Call::RouteFailed [CM503015]: Call(2): Attempt to reach [sip:
[email protected];user=phone] failed. Reason: Forbidden
19:39:32.892 CallLeg:

nFailure [CM503003]: Call(2): Call to sip:
[email protected]:5060 has failed; Cause: 403 User does not exist; from IP:204.11.192.34:5060
19:39:32.142 MediaServerReporting::SetRemoteParty [MS210004] C:2.2:Offer provided. Connection(proxy mode): xxx.xxx.xxx.xxx:9000(9001)
19:39:31.970 CallCtrl:

nSelectRouteReq [CM503004]: Call(2): Calling: VoIPline:15031234567@(Ln.10000@CallCentric)@[Dev:sip:
[email protected]:5060]
19:39:31.970 CallCtrl:

nSelectRouteReq [CM503010]: Making route(s) to [sip:
[email protected];user=phone]
19:39:31.970 MediaServerReporting::SetRemoteParty [MS210000] C:2.1:Offer received. RTP connection: 192.168.168.34:52676(52677)
19:39:31.970 CallLeg::setRemoteSdp Remote SDP is set for legC:2.1
19:39:31.970 Extension:

rintEndpointInfo [CM505001]: Ext.101: Device info: Device Identified: [Man: Snom;Mod: 320;Rev: General] Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [snom320/7.1.30] Transport: [sip:192.168.168.3:5060]
19:39:31.908 CallCtrl:

nIncomingCall [CM503001]: Call(2): Incoming call from Ext.101 to [sip:
[email protected];user=phone]
19:39:31.908 CallLeg:

nNewCall [CM500002]: Info on incoming INVITE:
INVITE sip:
[email protected];user=phone SIP/2.0
Via: SIP/2.0/UDP 192.168.168.34:2054;branch=z9hG4bK-mq07bxyva3nz;rport=2054
Max-Forwards: 70
Contact: [sip:
[email protected]:2054];flow-id=1
To: [sip:
[email protected];user=phone]
From: "Matt Miller"[sip:
[email protected]];tag=ppsokyntvz
Call-ID: 3c28f9d5e95f-xy1f2ho0lxr0
CSeq: 2 INVITE
Session-Expires: 3600;refresher=uas
Min-SE: 90
Accept: application/sdp
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO
Proxy-Authorization: Digest username="101",realm="3CXPhoneSystem",nonce="12857711969:938d6b60d66e8194581d491e1482c797",uri="sip:
[email protected];user=phone",response="82319534534459a41eaa2985300497ed",algorithm=MD5
Supported: timer, 100rel, replaces, callerid
User-Agent: snom320/7.1.30
Allow-Events: talk, hold, refer, call-info
Content-Length: 0
P-Key-Flags: keys="3"
19:36:07.767 StunClient:

nInitTests [CM506001]: STUN request to resolve SIP external IP

ort mapping is sent to STUN server 75.101.138.128:3478 over Transport 192.168.168.3:5060
19:19:45.265 ClientRegs:

nSuccess [CM504004]: Registration succeeded for: 10000@CallCentric
19:19:44.844 ClientRegs::Register [CM504003]: Sent registration request for 10000@CallCentric