When FXO port is called from PSTN, Cisco phone continues to ring
I have a 2 - 2 port FXO modules. On one of these I have two lines from PSTN. Both ports are configured the same (as far as I can tell), port 1/0/1 works fine, but port 1/0/0, when a call is received continues to ring even though the user (Cisco phone) has answered. The caller continues to hear ringback, but the user can faintly hear the caller talk. I have switched the connection from the PSTN and the problem stays on that port. So I know it is not the line cord, jack, or problem with the business line from the PSTN.
Re: When FXO port is called from PSTN, Cisco phone continues to
Thanks for the reply!
I did read up on this before posting the question and thought I understood that it was either Battery Reversal or Answer/Disconnect Supervison needed to be set. Both ports (working and not working) are set to Battery Reversal. Since the port that is working is set to Battery Reversal, I didn't think that was the problem. Do you think I should change the port that is not working to Answer Supervision and if it works, I will be confused?
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