[Asterisk-Users] Bizarre ring

Derek Bruce dbruce at calgarytelecom.com
Thu Feb 19 14:07:12 MST 2004


I don't think so... KewlStart is just LoopStart with disconnect?
supervision... either should work...

The debounce settings in the Asterisk configuration affects how Asterisk
handles hookswitch transitions on it's FXO/FXS interfaces. Since you are
using a channel bank connected to a T1 interface, these settings will have
no effect... Asterisk never sees the hookswitch transitions... it sees the
digital signal from the channel bank that tells it that a hookswitch
transition has occurred. The channel bank actually 'decodes' the hookswitch
event.

Also, check your zapata.conf to make sure that the TE410P is configured to
correctly talk to the channel bank... even a slight misconfiguration can
cause strange behaviour even though it does function. Also remember that any
changes you make to zapata.conf require you to reconfigure the interface
with ztconfig before running Asterisk.

Keep in mind that your channel bank is a 24 port FXS unit (although it's not
ultimately important since your config works)... FXS units use FXO
signalling.

My appologies if this sounds condescending... just trying to cover as many
bases as possible... 8-}

----- Original Message -----
From: "Lee Redmayne" <lee.redmayne at nwva.org>
To: <asterisk-users at lists.digium.com>
Sent: Thursday, February 19, 2004 12:33 PM
Subject: RE: [Asterisk-Users] Bizarre ring


> Hi Derek
>
> Out of interest I specified fxo_ls for these channels however, * insists
> on putting them as KewlStart, could this be linked to the issue?
>
> Thanks
>
>
> From: "Derek Bruce" <dbruce at calgarytelecom.com>
> To: <asterisk-users at lists.digium.com>
> Subject: Re: [Asterisk-Users] Bizarre ring
> Date: Thu, 19 Feb 2004 12:06:51 -0700
> Reply-To: asterisk-users at lists.digium.com
>
> I sounds like it may not be your Asterisk configuration which is at
> issue here. If the phone has a "dirty" hookswitch, the on-hook
> transition can be interpreted by the channel bank as both on-hook and
> loop-start. Combined with the channel being active (from the channel
> bank's point of view - as the channel will not have been torn down by
> Asterisk yet) this could cause it to provide ring voltage to the
> phone...
>
> Check your channel bank configuration for appropriate debounce settings
> and see if that helps...
>
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