[Asterisk-Dev] E1, crc-4 errors

[Mark Spencer]

> Load < 3%. IRQ - OK. E1 line and cabling - OK: Asterisk on this line
> works well as my office PBX. CRC errors are on Telco side only. I've
> tested E1 line with another PBX (TELRAD) - 0% CRC errors on Telco
> side.

CRC4 calculations are made within the framer itself.  How many errors do
you get?  Do they show up at particular time intervals?  In your
/var/log/asterisk/messages does it report the line going into alarm?

Mark