User guide

Introduction
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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).