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Snom D725 on VPN location are busy


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I have a setup with 2 locations, where all phones works fine on main location(where the PBX are placed), but on the other location where i use a VPN connection my Snom D725 prov. the PBX and i can make outgoing calls internal and external without any problems, but if i call the phone, the system say the extension are busy. I have on the samt location install a Gigaset Pro (UDP) and it´s work fine.



Anyone have a idea to solved this issue...


PBX version 5.5.0 64bit, Snom D725, DND Off and no forwarding.


Thanks in advance


Best Henrik

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I would try with looking at the SIP packets and check if the routing there makes sense. Next step would be a PCAP on the phone (from phone web interface) and then also on the PBX, just to see if they look the same. Sounds to me like a glitch in the VPN setup, like a wrong netmask.

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