DMG1000 Gateways provides a simple, cost effective transition to voice and data convergence for enterprises with PBXs.
Dialogic® 1000 Media Gateway Series (DMG1000 Gateways) are capable of well-planned, phased migration to IP network, making the gateways a smart solution for enterprises looking to enhance their legacy PBX equipment with new VoIP access. Connected between the PBX or keypad and the LAN or WAN, DMG1000 Gateways converts direct digital PBX messages into a format suitable for transmission over standard IP networks.
Features & Benefits
Catering to small media and efficient to install, configure, and maintain, adaptable to a range of popular PBX designers including Alcatel, Avaya, Ericsson, Fujitsu, Mitel, NEC, Nortel, and Siemens
Protects investment in legacy telecommunications equipment and ensures controlled migration to IP technology.
Designed, developed, and tested in Dialog's state-of-the-art PBX Lab and optimized for use in Enterprise environments
Ideally suited for Enterprise Unified Messaging applications (tested and certified with Microsoft® Exchange Server UM)
Support for IP load balancing and IP fault tolerance
Disability Applicability (TDM-to-IP) call to round-robin medzi available media servers and automatically routes calls away from unresponsive media or proxy servers
Seamless interoperability with Dialogic® HMP Software
Provides options for customers to build enhanced applications on top of base gateway and PBX functions
Supports configuration via serial, telnet, and web browser including context-sensitive help
Easy to install, configure, debug, and maintain
IP Security Features include TLS, SRTP, and HTTPS
Additional secure communications for SIP messages in TLS format, for stream media streaming SRTP, and for web interface via HTTPS
The DMG1000 Gateways all house eight digital PBX emulation interfaces and a 10/100 BaseT Ethernet connection for connection to a LAN. A similar scrolling trigger is provided for e-mail and ID messages, and is also available for connection to PBXs that do not have a corresponding digital interface. Similar The pass-through supports integration via in-band signaling (DTMF or FSK) or serial protocols (SMDI, MCI, and MD-110).
DMG1000 Gateways provides a simple, cost effective transition to voice and data convergence for enterprises with PBXs. Connected externally, they offer an IP solution that works with current legacy equipment. They support SIP-based applications as well as T.38 for fax transmissions over IP (FoIP).
Gateway unit features include:
- Voice over Internet Protocol (VoIP) – Supports SIP for RFC 3261. Use Real-Time Transport Protocol/Real-Time Control Protocol (RTP/RTCP) to transmit data over a LAN or WAN
- IP servers - Supports TLS for SIP messages, SRTP for media stream and HTTPS for web interface
- Enhanced voice processing – a range of algorithms including G.711 A-right and ?-right, G.723.1, and G.729AB
- T.38 Fax over Internet Protocol (FoIP) – Emulation units transcode fax from T.30 fax protocol, supporting V.17, V.21, V.27, and V.29 modulation schemes, to T.38 for transmission over a packet network
- Hot swap – Allows gateway units to be added or removed without affecting other gateway units
- Web server interface – Each gateway unit is delivered with a web server interface, allowing configuration and software upgrades via a web browser
Configurations:
DMG1000 Gateways can be used to connect IP phones to a PBX alliance, integrate network-hosted applications with PBX, extend PBX to branch offices, and integrate different voice and call processing capabilities in enterprise LAN or WAN environments. Using exclusive PBX network interfaces (emulating), These media gateway appliances provide exceptional IP to PBX integration capabilities to protect investment in legacy telecom equipment.
| Dialogic Product | Order Code | Description |
| DMG1004LSW | 310-877 | Analog FXO, 4 ports |
| DMG1008LSW | 884-214 | Analog FXO, 8 ports |
| DMG1008DNIW | 884-211 | Digital PBX Emulation, 8 ports (Avaya, Nortel, NEC, Siemens) |
| DMG1008MTLDNIW | 884-212 | Digital PBX Emulation, 8 ports (Mitel) |
| DMG1008RLMDNIW | 884-213 | Digital PBX Emulation, 8 ports (Rolm) |
PBX Interface
Number of ports : 4 and 8 port analog units, and 8 port Digital PBX emulation units, Use multiple gateway units for high port counts
Connectors: 8 shielded female RJ-45 jacks
Network Interface
Connector : 10/100 Base-T Ethernet LAN port, 1 shielded female RJ-45 jack for LAN
VoIP Protocols
- SIP per RFC 3261
- RTP/RTCP for sending votes
FoIP Protocol
T.38 FoIP - Emulation units transcode fax from T.30 fax protocol, supporting V.17, V.21, V.27, and V.29 modulation schemes, to T.38 for transmission over packet networks
Voice Support
- G.711 ?-Article and A-Glory, G.723.1, G.729AB
- Silence suppression with comfort noise
- G.168 automatic echo cancellation
- Call Progress Analysis (CPA), including positive Voice detection, Positive Answering Machine Detection (PAMD), DTMF detection, and fax tone detection
Quality of Service
Type of Service (ToS)
IP precedence
Configuration and Management
SNMP v1 - Read-only for alarm reporting
Web GUI - With context-sensitive Help facility
Telnet
BOOTP Client and TFTP Client - Construction
Call Routing
- User configuration list of VoIP endpoints
- IP load balancing
- IP fault tolerance
- Supports configuration of a backup SIP proxy server
IP Security
- TLS for SIP messages
- SRTP for media stream
- HTTPS for web interface
Power Requirements
Line voltage : 90 VAC to 264 VAC
Frequency : 47Hz to 63Hz
Physical Dimensions
Length 10 in. (25.4 cm)
Width 9.5 in. (24.1 cm)
Height 2.1 in. (5.3 cm)
Weight Approximately 2.5 lbs. (1.13 kg)
Environmental Requirements
Operating temperature: 32F to 122F (0C to 40C)
Impossible temperature : –4F to 158F (–20C to 70C)
Reliability/Warranty
Estimated MTBF : five years
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