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Apologies in advance, I'm sure this is a maddeningly common topic. However, I think I've done my due-diligence trying to track down this issue on my own, so I think I'll open it up to the experts now.
I'm trying to set this up at work. I had it working with my personal VoIP provider account (VoIP.ms), but deleted the settings when my boss gave me a company account to test with. As such, the firewall test passes without warnings/errors. The firewall is a Juniper SSG-5. 3CX Phone System is running on Server 2008 R2. The OS firewall is disabled for testing purposes. The 3CX server has a static Public IP address, STUN is turned off, and said Public IP is configured in the Settings -> Network -> STUN server tab. I've created extension 20 and registered it with the 3CX softphone software on my desktop, which is in the same subnet as 3CX Phone System. Below is the verbose log of extension 20 dialing extension *777 (Echo test):
If I had to guess, the line:
15:42:18.525 [MS210000] C:7.1:Offer received. RTP connection: 192.168.2.7:40024(40025)
seems like the culprit, but I'm unsure on what to do about it. I have no idea where 192.168.x.x is coming from. It is not a local network. I also don't understand why it is using ports in the 40,000 range. I have RTP configured in the 10000-10049 range (hard coded on my VoIP provider's side) in the Settings -> Network -> Ports tab.
Any suggestions would be greatly appreciated.
I'm trying to set this up at work. I had it working with my personal VoIP provider account (VoIP.ms), but deleted the settings when my boss gave me a company account to test with. As such, the firewall test passes without warnings/errors. The firewall is a Juniper SSG-5. 3CX Phone System is running on Server 2008 R2. The OS firewall is disabled for testing purposes. The 3CX server has a static Public IP address, STUN is turned off, and said Public IP is configured in the Settings -> Network -> STUN server tab. I've created extension 20 and registered it with the 3CX softphone software on my desktop, which is in the same subnet as 3CX Phone System. Below is the verbose log of extension 20 dialing extension *777 (Echo test):
Code:
15:42:36.555 [CM503008]: Call(7): Call is terminated
15:42:19.984 Currently active calls - 1: [7]
15:42:18.918 Session 571 of leg C:7.1 is confirmed
15:42:18.732 [CM503007]: Call(7): Device joined: sip:*[email protected]:40000;rinstance=4c97d9cdde3a504c
15:42:18.726 [CM503007]: Call(7): Device joined: sip:20@{SOFTPHONE IP}:64129;rinstance=29b9df9ea7d3ad80
15:42:18.724 [MS210005] C:7.1:Answer provided. Connection(proxy mode):{3CX INTERNAL IP}:7014(7015)
15:42:18.721 [MS210001] C:7.2:Answer received. RTP connection[unsecure]: 127.0.0.1:40012(40013)
15:42:18.720 Remote SDP is set for legC:7.2
15:42:18.717 [CM505001]: Ext.*777: Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [3CX Echo Test] PBX contact: [sip:*[email protected]:5060]
15:42:18.717 [CM503002]: Call(7): Alerting sip:*[email protected]:40000;rinstance=4c97d9cdde3a504c
15:42:18.562 [CM503025]: Call(7): Calling Ext:Ext.*777@[Dev:sip:*[email protected]:40000;rinstance=4c97d9cdde3a504c]
15:42:18.560 [MS210004] C:7.2:Offer provided. Connection(proxy mode): 127.0.0.1:7016(7017)
15:42:18.526 [CM503004]: Call(7): Route 1: Ext:Ext.*777@[Dev:sip:*[email protected]:40000;rinstance=4c97d9cdde3a504c]
15:42:18.525 [CM503010]: Making route(s) to <sip:*777@{3CX INTERNAL IP}:5060>
15:42:18.525 [MS210000] C:7.1:Offer received. RTP connection: 192.168.2.7:40024(40025)
15:42:18.523 Remote SDP is set for legC:7.1
15:42:18.523 [CM505001]: Ext.20: Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [3CXPhone 6.0.20943.0] PBX contact: [sip:20@{3CX INTERNAL IP}:5060]
15:42:18.513 [CM503001]: Call(7): Incoming call from Ext.20 to <sip:*777@{3CX INTERNAL IP}:5060>
15:42:18.503 [CM500002]: Info on incoming INVITE:
INVITE sip:*777@{3CX INTERNAL IP}:5060 SIP/2.0
Via: SIP/2.0/UDP {SOFTPHONE IP}:64129;branch=z9hG4bK-d8754z-c20707349c788203-1---d8754z-;rport=64129
Max-Forwards: 70
Contact: <sip:20@{SOFTPHONE IP}:64129;rinstance=29b9df9ea7d3ad80>
To: <sip:*777@{3CX INTERNAL IP}:5060>
From: "Administrator"<sip:20@{3CX INTERNAL IP}:5060>;tag=21529161
Call-ID: Mzg2NmVkNTllMGI1NWE3ZmZjODQzODdjODc1NGRmMWY.
CSeq: 2 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE, NOTIFY, REFER, INFO, MESSAGE
Proxy-Authorization: Digest username="20",realm="3CXPhoneSystem",nonce="414d535c051e852a03:0c67dbb8b4dea80750c72dcf52182ab6",uri="sip:*777@{3CX INTERNAL IP}:5060",response="d5872a9cf876def3bc7b48018b4cb1d3",algorithm=MD5
Supported: replaces
User-Agent: 3CXPhone 6.0.20943.0
Content-Length: 0
If I had to guess, the line:
15:42:18.525 [MS210000] C:7.1:Offer received. RTP connection: 192.168.2.7:40024(40025)
seems like the culprit, but I'm unsure on what to do about it. I have no idea where 192.168.x.x is coming from. It is not a local network. I also don't understand why it is using ports in the 40,000 range. I have RTP configured in the 10000-10049 range (hard coded on my VoIP provider's side) in the Settings -> Network -> Ports tab.
Any suggestions would be greatly appreciated.