iv / Table of ContentsModular ICS 6.0 Installer Guide P0992638 03External call forwarding 44MCDN trunk features 45Call by Call service selection for PRI 45Emergency 911 dialing 46MCID (Profile 2) 47Network Call Diversion (Profile 2) 47DTI card configured as a PRI card 47ISDN hardware 48DTI Card configured as PRI 48BRI Card 48BRI-U2 and BRI-U4 card 49BRI-ST card 49U-LT reference point 49U-NT reference points 50S reference point 51T reference points 51Clock source for ISDN cards 52Other ISDN BRI equipment: NT1 54ISDN standards compatibility 54Working with ISDN 55Planning your ISDN network 55Ordering ISDN PRI 55Ordering ISDN PRI service in Canada 55Ordering ISDN PRI service in United States 56Ordering ISDN BRI 56Ordering service in Canada 56Ordering ISDN service in the U.S. 56Supported ISDN protocols 58ISDN programming 58Programming ISDN PRI resources 58Programming ISDN BRI resources 60Programming ISDN PRI lines 62Programming ISDN BRI lines 63Programming Direct Inward System Access (DISA) on PRItrunks 64Programming ISDN equipment 65Terminal equipment for BRI cards 65Devices on an S or LT loop (BRI cards only) 65ISDN router 67D-packet service (BRI cards only) 68POSTA for ISDN BRI 69
