Hello , I need a example for configure two 3640 back to back with fxs to fxo. voip-a---3640-fxs-fxo-3640--voip-b. My problem is when call from voip-a to the voip-b , and recive disconnect from voip-b , in the voip-a hear ringback all time
Have you read the document? It will explain you why without supervision your lines are going to remain stuck all the time. So, either ground-start, or other disconnection supervision must be configured.
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