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DMG4030DTI SBA 30 Channel Gateway

$11,950.00 + GST

Dialogic® 4000 Media Gateway Series photo

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.

Unified Communications Magazine (UC) Product of the Year logo

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 Media Gateways contain field-proven Dialogic® Diva® 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.


FeaturesBenefits

Supports the Survivable Branch Appliance function of the Lync Server

Provides branch office resiliency by maintaining branch user functionality and productivity during WAN outages

Available as a 1U rack mount integrated system supporting
configurations of 48/60 channels (T1/E1) or 96/120 channels
(T1/E1)

Offers a range of product densities for businesses of various sizes

Redundant power supply, RAID 1 hard disk subsystem, and a failover and load balancing Ethernet network connection 

Delivered with features that enable high availability

Enhanced gateway functionality

Allows for a common architecture, platform, and management interface for central site and branch deployments

Supports T.30 Fax Group 3 up to 33.6 kbps (depending on
installed license) using T.38 real-time FoIP

Offers a range of fax configurations to address demands
regarding fax channel density and fax transmission speed

Technical Specifications

Ports per unit

DMG4008LSW Media Gateway: 8-port Analog (8 channels)
DMG4008BRI Media Gateway: 4-port ISDN BRI (8 channels)
DMG4030DTI Media Gateway: 1-port T1/E1 (24/30 channels)
DMG4060DTI Media Gateway: 2-port T1/E1 (48/60 channels)
DMG4120DTI Media Gateway: 4-port T1/E1 (96/120 channels)

Network interface

2 x 10/100/1000 BaseT Ethernet LAN port with load balancing

Protocol support

E1 ISDN: ETSI-DSS1 (EuroISDN), INS-1500 (Japan), QSIG
E1 CAS: MFR2
T1 ISDN: NI-1, 4ESS, 5ESS, DMS100, QSIG
T1 CAS: RBS

VoIP call controlSession Initiation Protocol (SIP), RFC 3261
Configurable transport layer for SIP, UDP, and TCP
Session Description Protocol (SDP), RFC 2327
NOTIFY (RFC 3265), REFER (RFC 3515), 302 REDIRECT, DIVERSION HEADER
Basic call with far-end and near-end disconnect
Microsoft® SIP extensions, compatible with both Microsoft® Exchange UM and
Microsoft® Office Communications Server 2007 R2
Supplementary services

Numbering services (abstracted as Called Party Number, Calling Party Number/CLIP,
and Redirecting Number)
Call hold/retrieve
Call diversion
Unattended, blind transfer
Attended transfer with consultation call
Message waiting activation/deactivation

FoIP services
(depending on installed Fax license)
Default: 12 channel of V.17 fax (14.4 kbps)
Optional: Up to 120 channel of V.34 fax (33.6 kbps)
T.30 Fax Group 3 up to 33.6 kbps using T.38 real-time FoIP
Fax compression MH, MR, MMR
Error Correction Mode (ECM)
Clear Channel Fax
Tone processing featuresDTMF generation and recognition (in-band)
DTMF relay, RFC 2833
Media streamingIP Real-time Transport Protocol (RTP)
RTP dynamic payload audio/telephony event
RTP profile name RTP/AVP
TDM-side fax tone detection via RTP event (RFC 2833)
Echo canceller with up to 256 ms echo tail
G.711 coder, 64 kbps (64 kbps, A-law, μ-law)

Physical Dimensions

1U, 19 inch rack mount server

Power supply90 VAC to 264 VAC
450 W
Power Factor Corrected (EN61000-3-2)
Two (2) redundant power supplies included

Mediation Server

Globally Routable User Agents URI
SIP over mutual TLS
SRTP on Communications Server
RT Audio on Communications Server
Interactive Connectivity Establishment (ICE) support



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  • Model: 120-DMG4030DTISBA
  • Shipping Weight: 15 Kgs
  • Manufactured by: Dialogic

This product was added to our catalog on Tuesday 10 May, 2011.