Dinstar MTG2000

MTG2000 is a carrier-grade intelligent Digital VoIP gateway, scalable from 4 to 20 ports E1/T1. It provides carrier-grade VoIP and FoIP services, as well as value-added functions such as modem and voice recognition. With highly maintainable, manageable and operable features, it offers a flexible, high-efficient, future-oriented communication network for users.

MTG2000 supports a wide-range of signaling protocols, realizing the interconnection between SIP and traditional signals like ISDN PRI / SS7, utilizing efficiency of trunking resources while ensuring voice quality. With multiple voice codes, secure signal encryption and smart voice recognition technology, MTG2000 is ideal for various applications of large enterprises, call centers, services providers and telecom operators.

• 4 to 16 ports E1/T1 in 1U chassis

• Up to 480 simultaneous calls

• Redundant MCUs (Main Control Unit)

• Dual Power Supplies

• Flexible routing

• Multiple SIP trunks

• Fully compatible with mainstream VoIP platforms

Technical Specifications

Overview & Architecture

The Dinstar MTG2000 is engineered for carrier-grade environments—large enterprises, service providers, call centers, and telecom networks. It features:

• A scalable architecture, offering 4 to 20 E1/T1 ports housed in a compact 1U rack-mount chassis.

• Up to 600 simultaneous calls, making it ideal for high-traffic deployments.

• High reliability through dual power supplies and dual MCU redundancy.

PSTN & VoIP Protocol Support

• Supports legacy trunking protocols including ISDN PRI, ISDN SS7 (with link redundancy), and R2 MFC.

• Fax and modem support includes T.38, pass-through fax, and POS/modem applications.

• Offers integration with SIP (v2.0, SIP-T) and related standards (RFC3372, RFC3204, RFC3398), as well as multiple SIP trunks and up to 256 SIP accounts.

Call Routing & Codecs

• Flexible routing: PSTN-PSTN, PSTN-IP, and IP-PSTN modes supported.

• Rich routing control based on time, caller/called prefixes, with up to 256 routing rules per direction.

• Voice and fax features include G.711 (A/μ law), G.723.1, G.729A/B, iLBC, AMR, plus:

  • Echo cancellation (G.168, up to 128 ms)

  • Silence suppression, comfort noise generation (CNG), voice activity detection (VAD)

  • Adaptive jitter buffering, and gain control for both voice and fax

Network & Manageability Features

• Two Gigabit Ethernet ports (GE0 & GE1) for network and management.

• Management options include:

  • Web-based GUI, SNMP v1/v2/v3, Dinstar Cloud Management System

  • Provisioning, backup/restore, firmware updates (via TFTP/Web), network capture, syslog, NTP sync, and call history via syslog.

Physical & Environmental Specs

• Dimensions: approximately 436 × 300 × 44.5 mm (1U rack height).

• Weight: around 3.8 kg.

• Power consumption: approximately 45 W, input 100–240 VAC, 50–60 Hz.

• Operating environment: 0–45 °C, 10–90% humidity (non-condensing); storage: -20 to 80 °C.

• Includes a serial port (RS-232 at 115200 bps) and supports multiple DTU modules for expansion.

Feature Snapshot

Feature Category Highlights 

Scalability 4–20 E1/T1 ports in 1U chassis; up to 600 concurrent calls

High Availability Dual MCU and dual power supplies

Protocols Supported SIP (v2.0, SIP-T), ISDN PRI, SS7, R2 MFC, T.38 fax, modem/POS

Call Routing Flexibility Time-based, prefix-based, 256 rules/direction

Voice Quality Wide codec support; echo cancellation, VAD, CNG, jitter buffer

Management Tools Web GUI, SNMP, cloud management, syslog, NTP synchronization

Hardware Specs 1U rack-size, dual GE, serial port, 3.8 kg, 45 W power

Summary

The Dinstar MTG2000 stands out as a robust, carrier-ready VoIP gateway. Its combination of high call capacity, flexible PSTN integration, intelligent routing, and enterprise-grade manageability makes it ideal for demanding deployments—whether you're integrating legacy systems, scaling VoIP services, or operating in mission-critical environments.