Chapter 1: Overview

Supported Voice Modes:

PRI CPE and PRI NET (T1 / E1)

–National ISDN 1 / NI1

–National ISDN 2 / NI2

–EuroISDN

–4ESS (AT&T)

–5ESS (Lucent)

–DMS100

–Q.SIG

E&M (T1 only)

–Wink

–Feature Group B

–Feature Group D

FXO and FXS (T1 only)

–Ground Start

–Loop Start

–Loop Start with Disconnect Detect (Kewlstart)

SIP

Example scenarios utilizing the Gateway Series are illustrated in Figure 1, Figure 2, and Figure 3.

Digium, Inc.

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