[cisco-voip] FXO discconnect problem

[Nick Matthews]

I had posted a method on how to to do this on the support forum, and it
looks like someone has taken it and made a blog posting with some
screenshots out of it.  Try this, and see if it helps:

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

The original is here:
https://supportforums.cisco.com/thread/297280

-nick

On Wed, Jan 12, 2011 at 8:59 AM, Anthony Kouloglou <akoul at dataways.gr>wrote:

>  Hi Mohamed,
> i have never manage to find a solid solution on this problem.
> I guess only TAC can help.
> They can guide you how to identify disconnect tones that your local
> Telephony Provider sends and then applied them using IOS commands
> (like those you have added in the voice class dualtone-detect-params 1)
>
>   * Regards*
>
> *Anhony Kouloglou
> *
>
> *Field Network Engineer, Cisco UC Specialized*
>
>
> *DATAWAYS Communications S.A.* <http://www.dataways.gr/>
> 75, Kanari Str., GR-544 53 Thessaloniki - Greece
> Phone +30 2310 953953  Fax +30 2310 953963
>
> On 12/1/2011 15:25, sheref hf wrote:
>
> Hi all,
>
> I face a series problem that
> I have voice system with auto attaendant message
> after completeing any external call or any body call me and no answer the
> FXO port still up around 2 minutes.
> anyone tried to call me in these 2 minutes received busy tone
>
> I searched for the solution and found that there is configuration can be
> made on router and voiceport to solve this problem
> but the problem still happened
>
> these is my configuration
>
> !
> voice class dualtone-detect-params 1
>  freq-max-deviation 60
>  freq-max-power 0
>  freq-min-power 13
>  freq-power-twist 4
>  cadence-variation 6
> !
> voice class custom-cptone test
>  dualtone disconnect
>   frequency 450
>   cadence 250 250
> !
> voice-port 0/0/0
>  supervisory disconnect dualtone mid-call
>  supervisory custom-cptone test
>  supervisory dualtone-detect-params 1
>  pre-dial-delay 2
>  timeouts call-disconnect 1
>  timeouts wait-release 1
>  connection plar opx 3850
>  description 4876281 International
>  caller-id enable
>
>
>
>
>
>
>
> Best Regards,
>
>
>
> *Sherif Ibrahem Mohamed*
>
> Network Engineer
>
> *Silicon21NIT Services***
>
>
>
>
>
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>
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