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1 post

Wannabe Geek

# 143492 16-Apr-2014 19:06
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I have a SIP phone on Open VFX.  I have a dial tone, and the phone rings if you call it.  However, even if you answer the SIP phone, the person phoning continues to hear the ring tone.  Also when I dial out, there is no ringing tone, just silence.  I thought it might be a port forwarding issue so I have forwarded the relevant port to the SIP phone to no avail.
I have got the phone to work perfectly with my Australian and Hong Kong Voip numbers, it just won't work with WXC VFX in New Zealand.  The phone is an EP-636 - probably meaningless because I had a job lot made for me of 100 phones (I own a hotel) by an unspecified manufacturer.

And now I am stumped!

Anyone have any smart ideas?


Thanks very much (in anticipation...)

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28574 posts

Uber Geek

Biddle Corp
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  # 1026390 16-Apr-2014 19:30
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Sounds like a SIP ALG issue or misconfiguration.

You should also never enable port forwards for SIP unless you can explain technically why you need them. It's just an invite to be hacked.

432 posts

Ultimate Geek

  # 1026412 16-Apr-2014 19:44
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can you obtain a sip trace?

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