
308621-14.00 Rev 00
D-1
Appendix D
Ordering ISDN Lines in the United States
This appendix provides information about ordering ISDN lines in the United
States.
Ordering BRI Lines
When ordering ISDN BRI lines for use in the United States, note the following:
• Configure the B1 and B2 channels for data only.
• Configure the D channel for signaling only.
Table D-1
lists the parameters to set for the AT&T 5ESS switch. Table D-2 lists
the parameters to set for the Nortel Networks DMS-100 switch. Your telephone
company may ask you to provide this information when you order your BRI lines.
Table D-1. BRI Parameters for the AT&T 5ESS Switch
Parameter Value Notes
Terminal Type A
Number of CSD 2
Number of CSV 0 or 1 1 if an ISDN phone was connected to the S/T bus
Number of Call
Appearances
1
Display is Y/N No
Ringing/Idle Call
Appearances
Idle Default for terminal type A
Autohold is Y/N No Default for terminal type A
Onetouch is Y/N No Default for terminal type A
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