[asterisk-users] busy hangup HDLC Bad FCS (8) on Primary D-channel

[randall]

On 06/01/2011 09:04 AM, mahesh katta wrote:
> 
> 
> On Wed, Jun 1, 2011 at 11:36 AM, randall <randall at songshu.org
> <mailto:randall at songshu.org>> wrote:
> 
>     Hi all,
> 
>     After running fine for a few months now asterisk seems to hang
>     frequently , still functioning but the DAHDI channels seem busy  (users
>     report a busy signal when calling or being called)
> 
>     A reboot will allow it to run for another day or maybe 2  or 3 till the
>     problem occurs again.
> 
> 
>     running stock Asterisk 1.6.2.9-2+squeeze2 on Debian with stock kernel
>     2.6.32-5-686
> 
>     i get the following errors:
>     pri_dchannel: PRI got event: HDLC Bad FCS (8) on Primary D-channel
>     of span 2
>      
> 
>     Your telco provider has crc on or off , that is not matching with
> your server cross check with them.
> and this problem solve 4 problems
>  
> 
thanks for the reply,

what is crc (same as crc-4?)
and where can i set this?