That's my first tought and i've tested with LoopStart without CLI and with GroudStart Lines. It remains the same problem.
I think there is a problem with frequency, Tx/Rx gains and ring duration min and max in miliseconds.
I have already upgraded to 4.0(7). I didn't test this issue on 4.0(5). The problem i see is only with 2 providers of 3. One trunk is connected with an Ericcson FCT251m - GSM, 2 trunks with an voip provider (i have an equipment - Tainet which converts ip telephony into analog trunks) and one...
Hi,
i have a problem with an IP Office 500, Analog 4 trunk: when receiving calls, in the System Status they appear as Prealerting and tehy are not changing to Incoming Alert. So the IP Office doesn't recognize as an incoming call.
I've tried changing the parameters for analog lines, changig...
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