Private IP in INVITE header

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eug

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My SIP trunk provider (MyNetFone) does authentication based on the public IP and DID in the INVITE header. I'm having problems making outgoing calls - the SPA525G phone says Connecting, and eventually Temporarily not available.

I enabled verbose logging and noticed that the INVITE header has my internal IP address - is that a function of the phone, 3CX, or my router?

I rang up MyNetFone and the tech I spoke to did a trace while i made a call, and said yeah, the problem is my internal IP address in my INVITE header - it needs to be my public IP address. How do I change that?

The router I intend to use is a pfSense box, I also did testing with a Linksys RVS042 and it did the same thing.

here is the log, stripped of phone numbers:

Code:
17:10:19.539  [CM503020]: Normal call termination. Reason: No answer
17:10:19.539  [CM503016]: Call(3): Attempt to reach "0408xxxxxx"<sip:[email protected]> failed. Reason: No Answer
17:10:19.539  [CM503003]: Call(3): Call to sip:[email protected]:5060 has failed; Cause: 408 Request Timeout; internal
17:10:06.427  Active calls counted toward license limit: [3]
17:09:47.402  [CM503025]: Call(3): Calling VoIPline:0408xxxxxx@(Ln.10008@MyNetFone Trunk)@[Dev:sip:[email protected]:5060]
17:09:47.402  [MS210002] C:3.2:Offer provided. Connection(transcoding mode): 192.168.2.1:7008(7009)
17:09:47.012  [CM503004]: Call(3): Route 1: VoIPline:0408xxxxxx@(Ln.10008@MyNetFone Trunk)@[Dev:sip:[email protected]:5060]
17:09:47.012  [CM503010]: Making route(s) to "0408xxxxxx"<sip:[email protected]>
17:09:47.012  [MS210000] C:3.1:Offer received. RTP connection: 192.168.2.151:16436(16437)
17:09:47.012  Remote SDP is set for legC:3.1
17:09:47.012  [CM505001]: Ext.100: Device info: Device Identified: [Man: Cisco;Mod: SPA Series;Rev: General] Capabilities:[reinvite, replaces, unable-no-sdp, no-recvonly] UserAgent: [Cisco/SPA525G-7.4.3] PBX contact: [sip:[email protected]:5060]
17:09:46.997  [CM503001]: Call(3): Incoming call from Ext.100 to "0408xxxxxx"<sip:[email protected]>
17:09:46.997  [CM500002]: Info on incoming INVITE:
  INVITE sip:[email protected]:5060 SIP/2.0
  Via: SIP/2.0/UDP 192.168.2.151:5060;branch=z9hG4bK-fd6e410f
  Max-Forwards: 70
  Contact: "Reception"<sip:[email protected]:5060>
  To: "0408xxxxxx"<sip:[email protected]>
  From: "Reception"<sip:[email protected]>;tag=910e7036de7c5b5bo0
  Call-ID: [email protected]
  CSeq: 102 INVITE
  Expires: 240
  Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER, UPDATE
  Proxy-Authorization: Digest username="100",realm="3CXPhoneSystem",nonce="414d535c01ccc0ba13:c3dd986539e1d597dcd713b23856689d",uri="sip:[email protected]:5060",algorithm=MD5,response="6a4ca5239cf3701a0d802e1fc52e704b"
  Supported: replaces
  User-Agent: Cisco/SPA525G-7.4.3
  Content-Length: 0


edit: I ran firewall checker and it failed on Phase 2a:
<18:11:26>: UDP SIP Port is set to 5060. NO RESPONSE received. Phase 2a check FAILED.
Application exit code is -2

I did the unthinkable and created a PPPoE connection from windows direct to the bridged modem without a firewall running, and it still gave the same error.
 
Hi,

This requires in depth troubleshooting. Please open a ticket via the support portal and send us the support logs and a wireshark capture of the reproduced call.
 
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