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

[randall]

>     >     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?
> 
> same crc or crc4
> 
>     --
adding crc as follows, span=1,1,0,ccs,ami,crc, causes DAHDI to not load
at all