[Asterisk-Users] HDLC on T1

[Kevin P. Fleming]

Michael Welter wrote:
> I have a new client who is about to order an Integrated PRI T1--eight 
> voice channels and the remainder data.  He's not sure whether Qwest will 
> provide a router to split the voice and data.

Almost guaranteed they will.

> I remember we had a lot of trouble with HDLC in Linux kernels past 
> 2.4.19.  Have those problems been fixed in the 2.6 kernel?  Will I be 
> able to split the voice and data channels using zaptel?

Yes, you can do so, but there are still issues with various 2.4.x kernel 
versions and some problems with HDLC mode in 2.6 as well (primarily the 
interfaces don't want to shut down properly).