Dialogic 4000 4-port BRI 8 channel Media Gateway with Survivable Branch Appliance capabilities
The Dialogic® 4000 Media Gateways (DMG4000 Gateways) are integrated systems that can provide both local PSTN and voice endpoint connectivity at a branch office premise as well as base-level voice service continuity in the event that the corporate WAN becomes unavailable.
The DMG4000 Gateways are standard rack-mount servers running the Windows Server® 2008 R2 operating system. They support the Survivable Branch Appliance function that is part of the Microsoft® Lync™ Server 2010 for unified communications. The Survivable Branch Appliance function allows branch offices to work effectively even if the WAN connection to the central site is lost. The ability to make voice calls, use email, and hold audio conferences continues to be available.
The Dialogic 4000 is a Microsoft Lync compatible gateway.
Features
Supports the Survivable Branch Appliance function of the Lync Server
Available as a 1U rack mount integrated system supporting configurations from 8 channels (Analog or BRI) up to 96/120 channels (T1/E1)
Redundant power supply, RAID 1 hard disk subsystem, and a failover and load balancing Ethernet network connection
Enhanced gateway functionality
Supports T.30 Fax Group 3 up to 33.6 kbps using T.38 real-time FoIP
Benefits
Provides branch office resiliency by maintaining branch user functionality and productivity during WAN outages
Offers a range of product densities and interfaces for businesses of various sizes
Delivered with features that enable high availability
Allows for a common architecture, platform, and management interface for central site and branch deployments
Offers a range of fax configurations to satisfy requirements for different fax channel densities and fax transmission speeds
Field-Proven Technology in a Robust System Configuration
The DMG4000 Gateways contain field-proven Dialogic® Diva® Media Boards and Dialogic® Diva® SIPcontrol™ Software in addition to the Lync Server with its Survivable Branch Appliance function. These elements are integrated in a rugged 1U rack-mount server featuring a high-performance 64-bit Intel Xeon processor.
The DMG4000 Gateways also offer dual Gigabit Ethernet interfaces for IP network connection, as well as a variety options for interfacing to the PSTN or PBXs, including Analog, ISDN BRI, and E1/T1. In addition, the DMG4000 Gateways can be configured to support up to 120 channels of unified communications traffic.
Survivable Branch Appliance Functionality
The Survivable Branch Appliance function in the Lync Server included in DMG 4000 Gateways has the following components:
SIP Registrar and Proxy for normal and failover routing
Mediation Server for communication between Registrar and IP-PSTN Gateway
IP-PSTN Gateways for routing calls to the PSTN as an alternate transport in case of WAN outages or anomalies
The Survivable Branch Appliance function can support up to 1000 users. If a branch office’s WAN connection to a central site becomes unavailable, the Survivable Branch Appliance enables branch users to continue to handle outside and inter-site calls via the PSTN, make intra-site calls, use voice mail, and connect with audio conferences via the PSTN.
Enhanced Gateway Functionality
DMG4000 Gateways can perform as enhanced gateways deployed in central locations along with the full Microsoft® Lync™ Server suite, which includes front end servers and mediation server functions.
Enhanced gateway functionality allows the DMG4000 Gateways to perform as a common gateway platform across an enterprise, providing the same architecture and management interfaces in central and branch locations.
Fax Functionality and Third-Party Application Hosting
In addition to the role of Survivable Branch Appliance for the Lync Server, DMG4000 Gateways can be used as high-density Fax over IP (FoIP) gateways, providing up to 120 channels of fax at V.34 (33.6 kbps) speed, depending on the license purchased.
A DMG4000 Gateway can also host third-party applications written for Windows Server 2008, including fax server and IP-PBX software. A runtime version of the ESTOS Call Control Gateway (ECCG) is pre-loaded on each DMG4000 Gateway with five complimentary seat licenses for trial purposes. When hosted on a DMG4000 Gateway, this third-party application can provide remote call control functionality for existing PBX infrastructure (classic, hybrid, or pure VoIP).
Technical Specifications
Ports per unit
Dialogic® DMG4008LSW Media Gateway: 8-port Analog FXO (8 channels)
Dialogic® DMG4008BRI Media Gateway: 4-port ISDN BRI (8 channels)
Dialogic® DMG4030DTI Media Gateway: 1-port T1/E1 (24/30 channels)
Dialogic® DMG4060DTI Media Gateway: 2-port T1/E1 (48/60 channels)
Dialogic® DMG4120DTI Media Gateway: 4-port T1/E1 (96/120 channels)
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