ANY and all PRI/T1 systems do the same thing.
PRI provides 23B+D, for 40 modems you need 2 PRIs.
Channelized-T1 provides 24 channels, for 40 modems you need 2 channelized T1s.
That's just the way they work.
-MZ
-- Livingston Enterprises - Chair, Department of Interstitial Affairs Phone: 800-458-9966 510-426-0770 FAX: 510-426-8951 megazone@livingston.com For support requests: support@livingston.com <http://www.livingston.com/> Snail mail: 4464 Willow Road, Pleasanton, CA 94588