[asterisk-users] Incoming and Outgoing zaptel configuration : ISDN30e

[Steve Davies]

On 8/16/07, Rory Campbell-Lange <rory at campbell-lange.net> wrote:
> We are trying to configure a Sangoma A101 card to allow both incoming
> and outgoing calls on a UK (BT) ISDN30e line with only 24 channels
> enabled.
>
> At present incoming calls work fine. We can't call out -- we get a
> BUSY/CONGESTED error.
>

[snip]

> ;Sangoma A101 port 1 [slot:3 bus:2 span: 1]
> switchtype=euroisdn
> context=from-pstn
> group=0
> signalling=pri_cpe
> channel => 1-15,17-31

  channel => 1-15,17-31
Is telling Asterisk that you have 30 active channels. Change it to:
  channel => 1-15,17-25

And you should be sorted.

Cheers,
Steve