3Com 3C10200 NBX Installation Guide - Page 223

B CIRCUIT PROVISIONING This appendix describes the circuit provisioning requirements for analog telephone lines, T1 lines, and for ISDN PRI services on T1 lines. It contains the following topics: ■ Caller ID Choices for Analog Lines ■ T1 Prerequisites ■ T1 Recommendations ■ ISDN PRI Prerequisites ■ ISDN PRI Recommendations ■ ISDN BRI Prerequisites ■ ISDN BRI Recommendations Caller ID Choices for Analog Lines When you order analog telephone lines from your telephone service provider, you can also order caller ID service. Your telephone service provider can tell you the format in which they provide caller ID information. You can configure your NBX system to work with any of these formats: ■ Bellcore GR-30-CORE ■ ETSI FSK ■ ETSI DTMF ■ British Telecom SIN 242 ■ NTT Telephone Interface Services See the NBX Administrator's Guide for information on how to configure Analog Line Card ports for the caller ID format you want to use.