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Joined: Oct 2006
Posts: 58
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Posts: 58 |
Has anyone been successful in getting the AT&T SIP trunks working on the SV9100 ?
I followed the NEC configuration guide for them but I can't get outbound calls to work, incoming is ok.
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Joined: Sep 2004
Posts: 4,140 Likes: 2
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Check your firewall. Wireshark off processor will tell you volumes where this is failing.
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Joined: Nov 2008
Posts: 953
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Check if SIP ALG is turned on in your router. It will play hell with SIP trunks. If your trunks only work one way, your trunks are not registered.
"The Only Stupid Question, Is the Question Thats not Asked."
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Joined: Oct 2006
Posts: 58
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I got them working but with one way audio.
almost there.
thanks for the input.
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Joined: Nov 2008
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"The Only Stupid Question, Is the Question Thats not Asked."
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Joined: Oct 2006
Posts: 58
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Problem solved, AT&T had to NAT the NEC 84-26 IP address in their session border controller.
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