Dialogic Gateway DMG4120DTI - Quad T1 / E1

DMG4120DTI є “hybrid gateways”, созданной для Office Communications Server 2007, роль медиа-сервер, который является Microsoft's technology providing PSTN and PBX interoperability, high-fidelity VoIP, and security.

Dialogic® 4000 Media Gateway Series (DMG4000 Gateways) представляет собой набор встроенных систем, созданных для подключения Microsoft® Office Communications Server 2007 в существующие PBX системы и PSTN сети. Базированный на standard rack-mount server running the Windows® Server 2003 R2 operating system, the DMG4000 Gateways є basic hybrid media gateways designed for Office Communications Server 2007 and therefore include the role of Mediation Server, which is Microsoft's technology interoperability, High-Fidelity VoIP, and security.

The DMG4000 Gateways имеет familiar user interface, which minimizes Total Cost of Ownership (TCO) reduction the need for operational and administrative training and special maintenance. При решении, DMG4000 Gateways скопіюють номери пристроїв, які потрібні для підтримки Office Communications Server 2007, щоб minimum integrovat Mediation Server до Gateway, зменшити hardware maintenance.

The DMG4000 Gateways состоит из полевой защиты Dialogic® Diva® boards and Dialogic® Diva® SIPcontrol™ Software в дополнении к Mediation Server software. Эти элементы включают в себя, компактный 1U Intel IP Network Server NSW1U, который характеризует высокий уровень 64-битный Dual-Core Intel Xeon процессор 5100 series, resulting в системі, що може бути встановлений, можливо, в стандартном центре данных. The DMG4000 Gateways також дюйм Gigabit Ethernet interfaces для IP network connection, як добре, як вибір двох або чотирьох T1/E1 interfaces до PSTN або PBX. Они могут быть созданы для поддержки 120 channels of unified communications traffic between legacy networks and a IP network hosting Office Communications Server 2007.

Features & Benefits :

Зависит от Microsoft как connection между legacy PBXs or PSTN and Office Communications Server 2007
Доступные unified communications features for circuit-switched telephony network

Available as 1U rack mount integrated system supporting configurations of 48/60 channels (T1/E1) or 96/120 channels (T1/E1)
Offers arange of products densities for businesses of various sizes

Hosts co-located Mediation Server, как элемент Office Communications Server 2007 solution
Зменшення числа серверов требуется для unified communications solution and minimizes administrative effort, resulting in lower TCO

Отлично с оборудованием для популярных PBX дизайнеров, включая Aastra, Alcatel-Lucent, Avaya, Ericsson, Matra, Nortel, и Siemens
Защиты investment in legacy telecommunications equipment and allows phased migration to IP

Includes redundant power supply, Raid-1 hard disk subsystem, and failover and load balancing Ethernet network connection
Provides high availability

Дополнительные услуги для ETSI-DSS1, QSIG, и других TDM protocols
Brings важные услуги по обслуживанию, так как звонок, путешествие, MWI, и служебная информация, к IP-экологию.

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

Ports per unit
Dialogic® DMG4060DTI Media Gateway: 2-port T1/E1 (48/60 channels)
Dialogic® 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 control
- Session Initiation Protocol (SIP), RFC 3261
- Конфигурационный транспортный аппарат для 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

Supplementary services
- Номер услуг (abstracted как Called Party Number, Calling Party Number/CLIP, и Redirecting Number)
- Call hold/retrieve
- Call diversion
- Неправильный, blind transfer
- Относимый transfer с consulting call
- Message waiting activation/deactivation

Службы FoIP (depending on installed Fax license)
- Default: 12 каналов 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 с помощью T.38 real-time FoIP
- Fax compression MH, MR, MMR
- Error Correction Mode (ECM)
- Clear Channel Fax

Tone processing features
- DTMF generation and recognition (in-band)
- DTMF relay, RFC 2833

Media streaming
- IP 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, α-law)

Physical dimensions
Height: 1.70 in. (4.32 cm)
Width: 16.93 in. (43.0 cm)
Length: 20.0 in. (50.8 cm)

Power supply
- 90 VAC to 264 VAC
– 450 W
- Power Factor Corrected (EN61000-3-2)
- два (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)