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Links: ·ALL ·Review Your VoIP Provider ·VoIP Providers ·VoIP FAQ ·Porting Rules ·What Codec?
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Stewart

join:2005-07-13
kudos:18

reply to conitssap

Re: [Voip.ms] Cant answer incoming calls

Please confirm that you have changed UDP Listen Port from 5060 to something else, e.g. 5678. That's the local port number used by the device and can be anything. On a softphone it's usually just whatever the OS assigns.

In addition, use an alternate proxy port (and registrar port) that VoIP.ms supports, either 5080 or 42872.

Also, what is the value of Reg Expire Timer? If it's long, try setting 60000 milliseconds.

If needed, I'll help with setting up Wireshark captures and/or interpreting the results. But first, you need to get the PC to "see" the packets to be captured. One way to do this is to get the packets to pass through the PC, using Internet Connection Sharing or Bridge Connections. Of course, this requires that the PC have two NICs, one connected to the Internet and one connected to the ATA. The other way involves a dumb hub, e.g. an old 10Mbps one, or a managed switch, allowing the PC to snoop the traffic.

conitssap

join:2012-08-13

I did change the UDP port earlier but not the proxy/registrar port - will try that and see if it makes a difference
should I also change the RTP ports?
the reg expire timer is get to 60000 ms and retry to 20000ms
if that dosent work I will try callcentric and see if their setup causes the same problems - if thats the case then the ATA's are to blame and ill go the wireshark route - I will have to use my laptop for wireshark


Stewart

join:2005-07-13
kudos:18

I don't believe that the RTP ports are involved at all. Since the caller continues to hear ringback tone when you answer, the failure is at the SIP level and RTP has not yet been invoked.


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