Hi David,

 You are correct, I always get those 2 confused. Thanks for the clearing.

Nir S

David Coulson wrote:

Nir Simionovich wrote:
Now, E1 and T1 lines are based upon a channel based connection, which
means you get a line
with X number of data lines and a single control/signalling line. On T1
it means that you have 23
lines dedicated for Voice/Data (each is 64kbps) and a single signaling
line (64kbps).

A T1 has no seperate signaling line - You're thinking of PRI. T1 gives
you 24 DS0 (64kbit) channels, which you can do whatever you want with.
PRI just shanks off one channel for D channel signaling.

David



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