Dialogic 1000Series, Руководство пользователя

Страница: 25 / 326

Dialogic
®
1000 and 2000 Media Gateway Series User’s Guide 25
1
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.