I have installed Trixbox CE and it works fine for extensions on 4008 FXS Grandstream gateway.
and i have connected outside PSTN lines to Grandstream FXO gateway 4108,which is connected through ethernet to Trixbox server.I have configured two sip extensions have given them on 4108 gateway and there are able to register with the pbx server.
the problem i am facing now is when i call the pstn number,it rings and then goes blank.On gateway web configuration page it shows PSTN Incoming call but no caller id.And it is not getting any message from the server,like IVR and etc.
let me know what could be the next step ,if i missed out any setup or configuration for fxo-pstn in the server.
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