User`s guide

Dialogic

1000 and 2000 Media Gateway Series User’s Guide 25

Overview

The following information provides an overview of the Dialogic

Media Gateway:

• Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

• Call Routing in Phone Emulating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

• Voice over IP Address Translation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

• Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

• Web Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

• Online Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

1.1 Product Description

The Media Gateway is a telephony gateway appliance that connects to phone lines through its

telephony interface and connects to a LAN via a 10 BaseT or 100 BaseT Ethernet connector.

NOTE: Throughout this document, the term Media Gateway addresses information that applies to

both the Dialogic

1000 Media Gateway (DMG1000) and Dialogic

2000 Media Gateway

(DMG2000) products. The term DMG1000 applies only to information relating to the

DMG1000 product and the term DMG2000 applies only to information relating to the

DMG2000 product.

The Media Gateway provides an inexpensive bridge between a legacy PBX or public switched

telephone network (PSTN) and a managed packet network. This device converts signals from

circuit switched equipment into Session Initiation Protocol (SIP) standard protocol for

transmission over a local area network (LAN) or wide area network (WAN) to communications

devices such as IP phones, wireless phones, and IP servers in almost any location.

The DMG1000 is available in the following models:

• DMG1008LSW, DMG1004LSW - Supports phone emulation mode for analog interfaces.

• DMG1008DNIW - Supports phone emulation mode for a number of digital PBXs, including

Avaya, Nortel, NEC, and Siemens.

• DMG1008MTLDNIW - Supports phone emulation mode for Mitel digital PBXs.

• DMG1008RLMDNIW - Supports phone emulation mode for Rolm 8000 and 9751 switches.