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Dialogic 1000 Media Gateway Series
Simple, cost-effective transition to voice and data convergence for enterprises with PBXs


Dialogic 1000 Media Gateway Series

Dialogic Products
Dialogic 1000 Media Gateway Series
Dialogic 1000 Media Gateway between analog FXO lines and SIP network
#884-214
Get a Quote!
Dialogic 1000 Media Gateway between Avaya, or Nortel, or NEC, or Siemens Digital PBX and SIP network
#884-211
Get a Quote!

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Overview:

Dialogic 1000 Media Gateway Series (DMG1000 Gateways) allows for a well-planned, phased migration to an IP network, making the gateways a smart solution for enterprises looking to enhance their legacy PBX equipment with new VoIP access and applications. Connected between a PBX or a digital handset and a LAN or WAN, the DMG1000 Gateways convert proprietary digital PBX messages into a format suitable for transmission over standard IP networks.

The DMG1000 Gateways provide 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).

The DMG1000 Gateways can be used to connect IP telephones to a legacy PBX, integrate network-hosted applications with the PBX, extend the PBX to branch offices, and integrate various voice and call processing capabilities in an enterprise LAN or WAN environment. Using exclusive PBX network interfaces (emulating), these media gateway appliances provide exceptional IP to PBX integration capabilities to protect an investment in legacy telecom equipment.

Applications

  • Centralized VoIP and FoIP application servers, including IP-based voice mail and unified messaging
  • IVR and announcements
  • IP PBX
  • VoIP extension to branch offices
  • Contact centers

Functional Description

The DMG1000 Gateways each contain eight digital PBX emulation interfaces and a 10/100 Base-T Ethernet connection for connecting to a LAN. An analog loop start unit designed for voice mail and unified messaging applications is also available to connect to PBXs that do not have an appropriate digital interface. The analog loop start unit supports integration via in-band signaling (DTMF or FSK) or serial protocols (SMDI, MCI, and MD-110).

The DMG1000 Gateways provide 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 per RFC 3261. Uses Real-time Transport Protocol/Real-Time Control Protocol (RTP/RTCP) for delivery of voice over the LAN or WAN
  • IP security — Supports TLS for SIP messages, SRTP for media stream, and HTTPS for web interface
  • Enhanced voice processing – Supports a variety of compression algorithms, including G.711 A-law and μ-law, 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

Call Routing

The DMG1000 Gateways route calls from the switched network to a VoIP destination on the IP network. Conversely, the DMG1000 Gateways route calls from the IP network through a switch port to a destination telephone number on the switched network. The DMG1000 Gateways support the following call routing options:

  • User-configurable list of VoIP servers
  • IP load balancing
  • IP fault tolerance
  • TDM-to-TDM

Features and Benefits:


Features Benefits
Suitable for small to medium enterprises and easy to install, configure, and maintain. Compatible with a variety of popular PBX manufacturers including Avaya, NEC, Nortel, and Siemens Protects investment in legacy telecommunications equipment and allows a controlled migration to IP technology
Support for IP load balancing and IP fault tolerance Allows the ability for inbound (TDM-to-IP) calls to round-robin between available media servers and automatically routes calls away from unresponsive media or proxy servers
Seamless interoperability with Dialogic PowerMedia HMP Software Provides the options for customers to build enhanced applications on top of base gateway and PBX functions
Supports configuration via serial, telnet, and a web browser including context-sensitive help Easy to install, configure, debug, and maintain
IP security features include TLS, SRTP, and HTTPS Enables secure communications for SIP messages via TLS, for media stream via SRTP, and for web interface via HTTPS

Configurations:

The DMG1000 Gateways can be used to connect IP telephones to a legacy PBX, integrate network-hosted applications with the PBX, extend the PBX to branch offices, and integrate various voice and call processing capabilities in an enterprise LAN or WAN environment. Using exclusive PBX network interfaces (emulating), these media gateway appliances provide exceptional IP to PBX integration capabilities to protect an investment in legacy telecom equipment.

Figures 1 and 2 provide sample configurations.

Figure 1. IP-Enabled PBX in Communication with SIP Devices over a LAN
Figure 1. IP-Enabled PBX in Communication with SIP Devices over a LAN

Figure 2. IP-Enabled PBX in Communication with SIP Devices at a Branch Office over a WAN
Figure 2. IP-Enabled PBX in Communication with SIP Devices at a Branch Office over a WAN

Specifications:

Rear View
Rear View

Technical Specifications
PBX Interface
Number of ports
  • 8 port analog units, and 8 port Digital PBX emulation units
  • Use multiple gateway units for higher 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
Protocols
VoIP Protocols
  • SIP per RFC 3261
  • RTP/RTCP for delivery of voice
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 a packet network
Support
Voice Support
  • G.711 -Law and A-Law, 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
Features
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
  • Built-in
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 47 Hz to 63 Hz
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 32ºF to 122ºF (0ºC to 40ºC)
Non-operating temperature –4ºF to 158ºF (–20ºC to 70ºC)

Documentation:

Download the Dialogic 1000 Media Gateway Series Datasheet (.PDF)

 

Dialogic Products
Dialogic 1000 Media Gateway Series
Dialogic 1000 Media Gateway between analog FXO lines and SIP network
#884-214
Get a Quote!
Dialogic 1000 Media Gateway between Avaya, or Nortel, or NEC, or Siemens Digital PBX and SIP network
#884-211
Get a Quote!