Hi there,
When i was testing i created the same thing as you suggested but it didnt work - i even remade everything but no luck.
Here is the log from the SECOND server:
Time Function Message
20:25:30.777 Call::Terminate [CM503008]: Call(12): Call is terminated
20:25:30.767 Call::RouteFailed [CM503014]: Call(12): Attempt to reach [sip:
[email protected]] failed. Reason: Not Found
20:25:30.767 CallLeg:

nFailure [CM503003]: Call(12): Call to sip:
[email protected]:5060 has failed; Cause: 404 User unknown.; from IP:82.24.13.76:5060
20:25:29.656 CallLeg:

nFailure [CM503003]: Call(12): Call to sip:
[email protected]:5060 has failed; Cause: 404 User unknown.; from IP:82.24.13.76:5060
20:25:28.624 CallLeg:

nFailure [CM503003]: Call(12): Call to sip:
[email protected]:5060 has failed; Cause: 404 User unknown.; from IP:82.24.13.76:5060
20:25:27.535 CallLeg:

nFailure [CM503003]: Call(12): Call to sip:
[email protected]:5060 has failed; Cause: 404 User unknown.; from IP:82.24.13.76:5060
20:25:26.501 CallLeg:

nFailure [CM503003]: Call(12): Call to sip:
[email protected]:5060 has failed; Cause: 404 User unknown.; from IP:82.24.13.76:5060
20:25:25.484 CallLeg:

nFailure [CM503003]: Call(12): Call to sip:
[email protected]:5060 has failed; Cause: 403 Forbidden; warning: Caller is forbidden; from IP:82.24.13.76:5060
20:25:24.519 CallLeg:

nFailure [CM503003]: Call(12): Call to sip:
[email protected]:5060 has failed; Cause: 403 Forbidden; warning: Caller is forbidden; from IP:82.24.13.76:5060
20:25:23.432 CallCtrl:

nSelectRouteReq [CM503004]: Call(12): Calling: VoIPline:10000@[Dev:sip:
[email protected]:5060, Dev:sip:
[email protected]:5060, Dev:sip:
[email protected]:5060, Dev:sip:
[email protected]:5060, Dev:sip:
[email protected]:5060, Dev:sip:
[email protected]:5060, Dev:sip:
[email protected]:5060]
20:25:23.376 CallCtrl:

nIncomingCall [CM503001]: Call(12): Incoming call from Ext.100 to [sip:
[email protected]]
Log from the main server (sorry for the lenght - its seems since the last update the log level of detail isnt changable!)
20:28:17.443 AuthMgr:

nAuthFailure [CM102001]: Authentication failed for SipReq: INVITE
[email protected]:5060 tid=de2d8b2a5679fb09 cseq=INVITE
[email protected]:5060 / 2 from(wire); Reason: Credentials don't match, check that authorization-ID and password match the ones in extension settings
20:28:16.662 evt::CheckIfAuthIsRequired::not_handled [CM500002]: Unidentified incoming call. Review INVITE and adjust source identification:
INVITE sip:
[email protected]:5060 SIP/2.0
Via: SIP/2.0/UDP 82.43.211.186:5060;branch=z9hG4bK-d87543-1117580208665c57-1--d87543-;rport=5060
Max-Forwards: 70
Route: [sip:roedean.ath.cx:5060;lr]
Contact: [sip:
[email protected]:5060]
To: [sip:
[email protected]:5060]
From: "100"[sip:
[email protected]:5060];tag=bd120262
Call-ID: NmU0ODg3NmFlM2I3NjFmNDgyMTY5NjlkYjk0MmEyZDE.
CSeq: 1 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE, NOTIFY, REFER, INFO
User-Agent: 3CXPhoneSystem 5.1.4128.0
Content-Length: 0
20:28:16.662 evt::CheckIfAuthIsRequired::not_handled [CM302001]: Authorization system can not identify source of: SipReq: INVITE
[email protected]:5060 tid=1117580208665c57 cseq=INVITE
[email protected]:5060 / 1 from(wire)
20:28:16.396 AuthMgr:

nAuthFailure [CM102001]: Authentication failed for SipReq: INVITE
[email protected]:5060 tid=c16f6c540668643a cseq=INVITE
[email protected]:5060 / 2 from(wire); Reason: Credentials don't match, check that authorization-ID and password match the ones in extension settings
20:28:15.599 evt::CheckIfAuthIsRequired::not_handled [CM500002]: Unidentified incoming call. Review INVITE and adjust source identification:
INVITE sip:
[email protected]:5060 SIP/2.0
Via: SIP/2.0/UDP 82.43.211.186:5060;branch=z9hG4bK-d87543-9e65a674ce53ed5d-1--d87543-;rport=5060
Max-Forwards: 70
Route: [sip:roedean.ath.cx:5060;lr]
Contact: [sip:
[email protected]:5060]
To: [sip:
[email protected]:5060]
From: "100"[sip:
[email protected]:5060];tag=75202274
Call-ID: ZjMxMWNkYjBmY2FmYjFkNzNiMzlkMWQxNmJjYWQ3ZGY.
CSeq: 1 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE, NOTIFY, REFER, INFO
User-Agent: 3CXPhoneSystem 5.1.4128.0
Content-Length: 0
20:28:15.599 evt::CheckIfAuthIsRequired::not_handled [CM302001]: Authorization system can not identify source of: SipReq: INVITE
[email protected]:5060 tid=9e65a674ce53ed5d cseq=INVITE
[email protected]:5060 / 1 from(wire)
20:28:15.349 AuthMgr:

nAuthFailure [CM102001]: Authentication failed for SipReq: INVITE
[email protected]:5060 tid=8c55885bb0494805 cseq=INVITE
[email protected]:5060 / 2 from(wire); Reason: Credentials don't match, check that authorization-ID and password match the ones in extension settings
20:28:14.458 evt::CheckIfAuthIsRequired::not_handled [CM500002]: Unidentified incoming call. Review INVITE and adjust source identification:
INVITE sip:
[email protected]:5060 SIP/2.0
Via: SIP/2.0/UDP 82.43.211.186:5060;branch=z9hG4bK-d87543-0653e37dfe27f945-1--d87543-;rport=5060
Max-Forwards: 70
Route: [sip:roedean.ath.cx:5060;lr]
Contact: [sip:
[email protected]:5060]
To: [sip:
[email protected]:5060]
From: "100"[sip:
[email protected]:5060];tag=c9479743
Call-ID: YjliZmQ2MjgzYjZlYTRiNGY5M2NhMjViYWUzYTc1ODM.
CSeq: 1 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE, NOTIFY, REFER, INFO
User-Agent: 3CXPhoneSystem 5.1.4128.0
Content-Length: 0
20:28:14.458 evt::CheckIfAuthIsRequired::not_handled [CM302001]: Authorization system can not identify source of: SipReq: INVITE
[email protected]:5060 tid=0653e37dfe27f945 cseq=INVITE
[email protected]:5060 / 1 from(wire)
20:28:14.099 AuthMgr:

nAuthFailure [CM102001]: Authentication failed for SipReq: INVITE
[email protected]:5060 tid=9915ca0e64574546 cseq=INVITE
[email protected]:5060 / 2 from(wire); Reason: Credentials don't match, check that authorization-ID and password match the ones in extension settings
20:28:13.333 evt::CheckIfAuthIsRequired::not_handled [CM500002]: Unidentified incoming call. Review INVITE and adjust source identification:
INVITE sip:
[email protected]:5060 SIP/2.0
Via: SIP/2.0/UDP 82.43.211.186:5060;branch=z9hG4bK-d87543-c522e3037e531f4e-1--d87543-;rport=5060
Max-Forwards: 70
Route: [sip:roedean.ath.cx:5060;lr]
Contact: [sip:
[email protected]:5060]
To: [sip:
[email protected]:5060]
From: "100"[sip:
[email protected]:5060];tag=e477214f
Call-ID: YTdhM2NiNDI5NmRlNDhmYTEwYjc5ZTQwZjM0ZTc0MDg.
CSeq: 1 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE, NOTIFY, REFER, INFO
User-Agent: 3CXPhoneSystem 5.1.4128.0
Content-Length: 0
20:28:13.333 evt::CheckIfAuthIsRequired::not_handled [CM302001]: Authorization system can not identify source of: SipReq: INVITE
[email protected]:5060 tid=c522e3037e531f4e cseq=INVITE
[email protected]:5060 / 1 from(wire)
20:28:13.083 AuthMgr:

nAuthFailure [CM102001]: Authentication failed for SipReq: INVITE
[email protected]:5060 tid=0d6a896251557531 cseq=INVITE
[email protected]:5060 / 2 from(wire); Reason: Credentials don't match, check that authorization-ID and password match the ones in extension settings
20:28:12.224 evt::CheckIfAuthIsRequired::not_handled [CM500002]: Unidentified incoming call. Review INVITE and adjust source identification:
INVITE sip:
[email protected]:5060 SIP/2.0
Via: SIP/2.0/UDP 82.43.211.186:5060;branch=z9hG4bK-d87543-192f3f4f2f438a73-1--d87543-;rport=5060
Max-Forwards: 70
Route: [sip:roedean.ath.cx:5060;lr]
Contact: [sip:
[email protected]:5060]
To: [sip:
[email protected]:5060]
From: "100"[sip:
[email protected]:5060];tag=ad5fc755
Call-ID: YzI4ZTRjNzYyY2JhNDY1ZGQ3YWUyY2FkODc4Y2Q3Nzg.
CSeq: 1 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE, NOTIFY, REFER, INFO
User-Agent: 3CXPhoneSystem 5.1.4128.0
Content-Length: 0
20:28:12.224 evt::CheckIfAuthIsRequired::not_handled [CM302001]: Authorization system can not identify source of: SipReq: INVITE
[email protected]:5060 tid=192f3f4f2f438a73 cseq=INVITE
[email protected]:5060 / 1 from(wire)
20:28:11.880 Call::Terminate [CM503008]: Call(2): Call is terminated
20:28:11.880 CallCtrl:

nIncomingCall [CM502001]: Source info: From: 2; To: "100"[sip:
[email protected]:5060];tag=78561b26[sip:
[email protected]:5060]
20:28:11.880 CallCtrl:

nIncomingCall [CM503012]: Call(2): Incoming call rejected, caller is unknown; msg=SipReq: INVITE
[email protected]:5060 tid=cd0762149a2efa46 cseq=INVITE
[email protected]:5060 / 2 from(wire)
20:28:11.177 evt::CheckIfAuthIsRequired::not_handled [CM500002]: Unidentified incoming call. Review INVITE and adjust source identification:
INVITE sip:
[email protected]:5060 SIP/2.0
Via: SIP/2.0/UDP 82.43.211.186:5060;branch=z9hG4bK-d87543-534cbb1dc53a7478-1--d87543-;rport=5060
Max-Forwards: 70
Route: [sip:roedean.ath.cx:5060;lr]
Contact: [sip:
[email protected]:5060]
To: [sip:
[email protected]:5060]
From: "100"[sip:
[email protected]:5060];tag=78561b26
Call-ID: NThlYTg3NjU3OWQ5M2YxM2UwYTEzMDU4ZDYzZDI4NmE.
CSeq: 1 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE, NOTIFY, REFER, INFO
User-Agent: 3CXPhoneSystem 5.1.4128.0
Content-Length: 0
20:28:11.177 evt::CheckIfAuthIsRequired::not_handled [CM302001]: Authorization system can not identify source of: SipReq: INVITE
[email protected]:5060 tid=534cbb1dc53a7478 cseq=INVITE
[email protected]:5060 / 1 from(wire)
20:28:10.990 Call::Terminate [CM503008]: Call(1): Call is terminated
20:28:10.912 CallCtrl:

nIncomingCall [CM502001]: Source info: From: 1; To: "100"[sip:
[email protected]:5060];tag=1370b22a[sip:
[email protected]:5060]
20:28:10.912 CallCtrl:

nIncomingCall [CM503012]: Call(1): Incoming call rejected, caller is unknown; msg=SipReq: INVITE
[email protected]:5060 tid=616a14544a15d81b cseq=INVITE
[email protected]:5060 / 2 from(wire)
20:28:10.146 evt::CheckIfAuthIsRequired::not_handled [CM500002]: Unidentified incoming call. Review INVITE and adjust source identification:
INVITE sip:
[email protected]:5060 SIP/2.0
Via: SIP/2.0/UDP 82.43.211.186:5060;branch=z9hG4bK-d87543-af62ce099c19811f-1--d87543-;rport=5060
Max-Forwards: 70
Route: [sip:roedean.ath.cx:5060;lr]
Contact: [sip:
[email protected]:5060]
To: [sip:
[email protected]:5060]
From: "100"[sip:
[email protected]:5060];tag=1370b22a
Call-ID: ZGJkZWIxMDIzYzJmYzc3MzY0MGM5NDBmNjYzNjM0MjI.
CSeq: 1 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE, NOTIFY, REFER, INFO
User-Agent: 3CXPhoneSystem 5.1.4128.0
Content-Length: 0
20:28:10.146 evt::CheckIfAuthIsRequired::not_handled [CM302001]: Authorization system can not identify source of: SipReq: INVITE
[email protected]:5060 tid=af62ce099c19811f cseq=INVITE
[email protected]:5060 / 1 from(wire)