Introduction
4
BRI ISDN Gateway User Guide
www.eurotech-communication.com
1.3.
TERMINOLOGY
The following is a list of important terms used in this guide and their definitions:
Gateway
– A n ISDN unit with 2 cellular ports.
SIM
– SIM card or chip
Port
(ch)
– A port is single channel that can send call(s).
Cellular Card (Slave card)
– A card with cellular ports (modules).
