FXS port connected but the calling phone keeps ringing

Unanswered Question
Oct 5th, 2007
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Hi,


I have a very strange problem with FXS ports. Analog phone is connected to FXS port on a 2800 router. When the phone is called from an IP phone the analog rings when it is answered the IP phone displays "Connected" but it continues to ring after few seconds it goes to fast busy.


The analog phone can call the IP phone without any problems.


The gateway is MGCP the CCM is 4.2.3

I have a TAC case open but I was just wondering if anyone ever experienced something like this.


Thanks!


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hadbou Thu, 10/11/2007 - 12:01
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It may due due to disconnect supervision command not implemented. Try this command "disconnect supervision". Paste your running config.

king-michael Wed, 12/26/2007 - 07:36
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I'm having the same issue with a 2811 router running 12.4.11T4. Did you ever get this resolved?

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