3Com ISDN Modem manual 22

1-8 CHAPTER 1: INTRODUCTION

you ordered one ISDN telephone number, write 1. If you ordered two ISDN telephone numbers, write 2.

Ordering two ISDN telephone numbers allows you to conduct two simultaneous calls on both analog phone ports.

ISDN Telephone Number 1. Write down your ISDN telephone number provided to you by the telephone company ISDN representative.

ISDN Telephone Number 2. Write the second ISDN phone number if you ordered two ISDN telephone numbers for your line.

SPID Number. If required by your telephone company, fill in the SPID number for each ISDN phone number. Your telephone company can tell you whether a SPID is required and supply you with the correct value.