[Asterisk-Users] E400P woes

[Mark Spencer]

Try adding ",crc4" to the end of the span definition.

Mark

On Fri, 12 Sep 2003, Alastair Maw wrote:

> We've changed E1 providers and I'm trying to reconfigure an E400P to
> make it work with the new lines. They're supposedly "standard" EuroISDN
> lines (in the UK). I'm initially just trying to get a single line up.
>
> I have the following in /etc/zaptel.conf:
>
>    span=1,0,0,ccs,hdb3
>    bchan=1-15
>    dchan=16
>    bchan=17-31
>    loadzone=uk
>    defaultzone=uk
>
> The LED on the back of the card shows red/green simultaneously when you
> ztcfg it.
>
> Asterisk itself spews messages to the console like so:
>
>    == D-Channel on span 1 up
>    == D-Channel on span 1 up
>    == D-Channel on span 1 up
>    == D-Channel on span 1 up
>    == D-Channel on span 1 down
>    == D-Channel on span 1 up
>    == D-Channel on span 1 up
>    == D-Channel on span 1 up
>    == D-Channel on span 1 up
>    == D-Channel on span 1 down
>
> (Always four ups and then a down a bit later, followed by a pause, then
> the same again.)
>
> Changing span=1,0,0,css,hdb3 to use crc4 causes Asterisk to throw lots
> of yellow alarms when it starts. Putting a 1 in the timing field makes
> no discernable difference.
>
> The guy who tested the lines isn't very clueful - he just plugs in his
> gear and puts a tick in the box, but he's pretty sure it uses hdb3
> coding. CAS framing makes the LED go RED.
>
> Anyone give me a clue here?
>
> --
> Alastair Maw <al.maw at mxtelecom.com>
> MX Telecom - Systems Analyst
> http://www.mxtelecom.com
>
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