[asterisk-users] DAHDI press button get fast busy

Tzafrir Cohen tzafrir.cohen at xorcom.com
Mon May 16 10:06:12 CDT 2016

On Thu, May 12, 2016 at 03:04:02PM -0600, Greg Woods wrote:
> My DAHDI phones were broken since a recent power outage (which required a
> reboot). For some reason the Asterisk or DAHDI configuration is messed up
> somewhere (probably from an update that was applied before the reboot?).
> I am using a Digium TDM410 card.
> At first, nothing worked at all, but I discovered that if I loaded things
> manually (e.g. modprobe dahdi; modprobe wctdm24xxp, then go into asterisk
> -r and "module unload chan_dahdi; module load chan_dahdi") then at least
> the lights on the card come on and the phones half work. Inbound calls work
> fine, but if I try to dial out, as soon as I press a numeric button on the
> phone, I get an immediate fast busy, so outbound calls don't work. Outbound
> calls from a SIP phone off the same server work fine (the outbound line is
> an IAX link to a VOIP provider).
> I have been Googling this for nearly an hour without finding any reference
> to this problem. Anybody have any idea where I can look to debug this, or a
> guess as to what might be wrong with the configuration?

Sounds like you did not set a proper dialplan for them. I assume the
phone is on dahdi channel 1. If so, please provide the output of:

  context=`asterisk -rx 'dahdi show channel 1' | awk '/Context: / {print $2}'
  asterisk -rx "dialplan show $context"

               Tzafrir Cohen
icq#16849755              jabber:tzafrir.cohen at xorcom.com
+972-50-7952406           mailto:tzafrir.cohen at xorcom.com

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