configuration example for fractional T1

Unanswered Question
Feb 19th, 2009


I have a module VWIC2-2MFT-T1/E1 in 2811 and will purchase a signle fractional T1 from carrier with 10 channels to data and another 10 to voice.

Can I have a configuration example to achieve this to cover data and voice both in single T1 interface?

Thanks in advance,

I have this problem too.
0 votes
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
Nicholas Matthews Thu, 02/19/2009 - 20:19

card-type t1 0

controller t1 0/0

pri-group time 1-10,23

linecode b8zs

framing esf

clock source line

network-clock-select 1 t1 0/0

That's the PRI part, at least.

Nicholas Matthews Fri, 02/20/2009 - 05:35

Hi Julien,

It can be - but you have to change service parameters to make sure that CUCM sees the other channels as out of service. There's a specific service parameter just for this.

They are these values - "Change B-Channel Maintenance Status 1" and so on. The help information for them can guide you on the syntax.



cjrchoi11 Fri, 02/20/2009 - 06:45

Thanks guys,

I figured out how to configure both type(data and voice) into single T1 interface. my case channel 1-10 to voice and 11-20 to data.


controller t1 0/0

linecode b8zs

framing esf

pri-group time 1-10,23

channel-group 0 time 11-20




This Discussion