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Joined: Oct 2010
Posts: 103
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Joined: Oct 2010
Posts: 103 |
This is the first time I have tried to connect Accessline SIP trunks to our 5000 system. This is the 4th provider I have tried. I was able to make them all work but not happy with the audio quality. Anyway I can call out on the trunks but cannot receive a call. The tech at Accessline says he sees a SIP error message 403 - Forbidden. I have tried setting the day ring-in type to single with an extension and tried a call routing table with the DID number pointed at an extension. Nothing works. Must have some other setting wrong. Any clues?
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Joined: Dec 2007
Posts: 11
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Joined: Dec 2007
Posts: 11 |
Craig,
Did you set "Use ITU-T E.164 phone number" flag to yes? This is under the configuration of the SIP trunk group. The ring it in to call routing with the appropriate patterns and destinations.
japayne
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Joined: Oct 2010
Posts: 103
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Joined: Oct 2010
Posts: 103 |
Thank you for the tip, but when I turned on the "Use ITU-T E.164 phone number" it broke the outbound calls. I discovered that it was a firewall problem. My SonicWall TZ 170 has a setting "Enable SIP transformations" which I had to enable to fix this problem.
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