The phone keep ringing eventhough the caller hangs up

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May 26th, 2010
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I have 3825 CME with CUE, when a caller call and the autoattended played and route to whatever extension he want, and the caller hang-up before answering the phone keep ringing with no end.

I tried to configure the FXO to one of extension directly without autoattendant it worked fine “disconnect directly”.

I have attach you “show run” and “debug vpm signal”

Correct Answer by hiepnguyenho about 6 years 10 months ago

If you need the detail screenshot for each steps, you can check this link:


http://ciscoflair.blogspot.com/2009/05/cisco-fxo-disconnect-issue.html


Hope this help

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hiepnguyenho Wed, 05/26/2010 - 21:23
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Try these configuration for disconnect:


voice-port 0/2/0
supervisory disconnect dualtone mid-call
cptone BR
timeouts call-disconnect 1
timeouts ringing 5
timeouts wait-release 1


It works on most of my configured FXO voicegateway.

kingofshadows86 Sun, 05/30/2010 - 06:34
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hi,


I have add supervisory command but still ringing, another solution please.

hiepnguyenho Sun, 05/30/2010 - 18:45
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Hi,


If your configuration is exactly like this:

voice-port 0/2/0
supervisory disconnect dualtone mid-call
cptone BR
timeouts call-disconnect 1
timeouts ringing 5
timeouts wait-release 1


May be your frequency and cadence is wrong. Please make a custom tone and re-apply it to your voice-port.


For example:

*** please note that the parameters are for Vietnamese telco only ***

voice class custom-cptone vn
dualtone disconnect
  frequency 425 425
  cadence 500 500 continuous

!

voice-port 0/2/0
supervisory disconnect dualtone mid-call
supervisory custom-cptone vn
no battery-reversal
timeouts call-disconnect 0
timeouts ringing 5

timeouts wait-release 1

hiepnguyenho Wed, 06/02/2010 - 08:29
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Note that the frequency and cadence I posted are just example. You need to find exactly what your parameters are.

Method 1: Ask your telco

Method 2: Get it yourself by capture the tone and analyze by some tools like CoolEdit Pro... If you need to do it, please contact me for the steps.

kingofshadows86 Tue, 07/13/2010 - 22:53
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Hi,

Sorry for late I was in vacation, now could you please help for the step to get the frequency and cadence.

And one more thing is this frequency and cadence effect on caller-id.

Appreciate your help.

Adrian Saavedra Tue, 07/13/2010 - 23:33
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Hello,


Could you please help for the step to get the frequency and cadence.


Follow Nick's tips to capture frequency and cadence in this thread:

https://supportforums.cisco.com/message/1153101#1153101


And one more thing is this frequency and cadence effect on caller-id.


No.


Hope it helps, please rate if it does.


Kind regards,


- Adrian.

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