[Asterisk-Users] Noise on ZAP channel

Chris Glover chris at glovercc.clara.co.uk
Thu Aug 26 04:26:35 MST 2004


Hi Matt,

You're using the wrong signalling type, should be fxs_ks

HTH

Chris


-- 
Chris
----------------------------------
E Mail:	chris at glovercc.clara.co.uk
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On Thu, 26 Aug 2004, Matt wrote:

> I've been strugling with this for two days now and I'm making no progress at
> all.  (I've checked been all over the WIKI and google).
>
> The issue is :
> I've installed a Digium X100P into my * box,
> configured it to call out over my BT analog line,
> every call I make is horribly noisy,
> there is a background hum on the line which sounds electrical.
>
> To troubleshoot
> I've plugged an analog line directly into the BT line there is no noise.
> I've * onto a brand spanking new machine incase it was the PSU in the PC
> causing the grief in the old machine, but still no luck.
>
> The PC is a P4 with 256MB of RAM and IDE drives. It's doing nothing except
> handle one SIP endpoint - which is a cisco 7960G.  Codec is ulaw.
>
> Cat /proc/interpupts gives:
>            CPU0
>   0:     155092          XT-PIC  timer
>   1:          4          XT-PIC  keyboard
>   2:          0          XT-PIC  cascade
>   3:          0          XT-PIC  ehci_hcd
>   5:    1510338          XT-PIC  wcfxo
>   7:          0          XT-PIC  usb-uhci
>   8:          1          XT-PIC  rtc
>   9:      14783          XT-PIC  eth0
>  10:          0          XT-PIC  usb-uhci
>  11:          0          XT-PIC  usb-uhci
>  12:          7          XT-PIC  PS/2 Mouse
>  14:       4597          XT-PIC  ide0
>  15:          0          XT-PIC  ide1
> NMI:          0
> ERR:          0
>
> Here is the relevant part of /etc/zapatel.conf
>
> fxsls=1
> loadzone=uk
> defaultzone=uk
>
> Here is the /etc/asterisk/zapatel.conf
>
> [channels]
> language=uk
> context=default
> signalling=fxs_ls
> hidecallerid=no
> cancallforward=yes
> echocancel=yes
> echocancelwhenbridged=yes
> echotraining=yes
> relaxdtmf=yes
> rxgain=0.0
> txgain=0.0
> group=1
> callgroup=1
> pickupgroup=1
> immediate=no
> busydetect=yes
> callprogress=yes
> musiconhold=default
> channel=>1
>
> Any help would really be appriciated.
>
> Regards
>
> Matt
>
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