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Algerian supervisory disconnect

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Nov 11th, 2006
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Hello I am having problems disconnecting external calls entering through a fxo port,

Has anybody some idea of what are the right parameters to configure a fxo port to support Algerian lines?


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paolo bevilacqua Sat, 11/11/2006 - 04:11
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Are you sure that Algery supports supervisory disconnect ? Most countries do not.

fjrubiobarcena Sun, 11/12/2006 - 01:16
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Hi thanks for your replies, I am not sure if the telco supplies disconnect supervision; I am making test because I have a problem with the externals calls coming from the pstn trough the fxo ports: if the external phone?s user (caller) terminate the call before the ip phone user (called) hang up the call, the ip phone continues ringing and the fxo port continues off hook; the call is not correctly ended.


Have you got any ideas of the cause of the problem?


paolo bevilacqua Sun, 11/12/2006 - 03:31
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Indeed the problem is caused by lack of supervisory disconnection. If the telco sends a tone on caller hang-up, you can try supervisory tone disconnection as indicated in the above document.

fjrubiobarcena Sun, 11/12/2006 - 23:23
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Hi, thank for your help I have tried the solutions indicated in the document but it still don?t work, I have now this configuration:

!

voice class custom-cptone dz

dualtone disconnect

frequency 425

cadence 500 500


voice-port 0/0/0

supervisory custom-cptone dz

cptone FR

timeouts interdigit 3

timeouts wait-release 15

timing hookflash-out 500

impedance complex2


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