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NS700 - Gamma SIP 1

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PabsUK

PabsUK

Systems Engineer
Dec 14, 2017
20
GB
I'm in the process of putting Gamma SIP trunks on a NS700 but I 'm getting one-way transmission, I'm sure I came across a troubleshooting guide yesterday but I can't find it today. Anyone seen one or know of anything obvious for me to look at?

Thanks
 
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Are you using a Gamma Assured router or your own?, usually a NAT issue, need to make sure port 5060 is pointing to your system address and 6000-40000 is pointing to your DSP address.

Calum M
ACSS
 
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I would also suggest you check the Virtual Slot----Shelf Property and make sure Nat Fixed Global Address to the public IP address that Gamma is expecting along with NAT Traversal as fixed Address. I have had this issue when Gamma receives the internal IP address as part of the SDP header



 
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Thanks for the pointers guys, turns out the router was programmed with the wrong IP address for the DSP.
 
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