Dinstar MTG200

Las puertas de enlace VoIP digitales serie MTG200 con 1 o 2 puertos E1/T1 migran fácilmente sus redes PSTN tradicionales (PBX tradicional o proveedores de servicios E1/T1) a una red VoIP. Con una pequeña inversión, podrá disfrutar de las ventajas reales de VoIP y conservar su conectividad PSTN. Es una solución compacta diseñada para pymes y el mercado de código abierto, totalmente compatible con Asterisk, Elastix, Trixbox, Freeswitch y las principales plataformas VoIP. Compatible con ISDN PRI, SS7 y R2 MFC, la integración con su PBX tradicional o red PSTN es muy sencilla.

  • 1/2 ports E1/T1

  • Up to 60 simultaneous calls

  • Flexible routing

  • Multiple SIP trunks

  • Fully compatible with Asterisk, FreeSWITCH and mainstream VoIP platforms

Technical Specifications

  • 1/2 E1s/T1s, RJ48C interface
  • Support Modem/POS
  • 2 GE
  • DTMF Mode: RFC2833/SIP Info/In-band
  • SIP v2.0
  • VLAN 802.1p/q
  • SIP-T
  • ISDN PRI, Q.sig
  • SIP/IMS Registration :with up to 256 SIP Accounts
  • ISDN SS7
  • NAT: Dynamic NAT, Rport
  • R2 MFC
  • Local/Transparent Ring Back Tone
  • Web GUI Configuration
  • Overlapping Dialing
  • Data Backup/Restore
  • Dialing Rules，with up to 2000
  • PSTN Call Statistics
  • Voice Codecs Group
  • SIP Trunk Call Statistics
  • Access Rule Lists
  • Firmware Upgrade via TFTP/Web
  • Radius
  • SNMP v1/v2/v3
  • Voice Codecs:G.711a/μ law, G.723.1, G.729AB, iLBC,AMR
  • Network Capture
  • Silence Suppression
  • Syslog: Debug, Info, Error, Warning , Notice
  • CNG,VAD,Jitter Buffer
  • Call History Records via Syslog
  • Echo Cancellation (G.168),with up to 128ms
  • NTP Synchronization
  • T.38 and Pass-through

Overview & Key Features

Dinstar MTG200 is a cost-effective VoIP trunk gateway tailored for small to medium enterprises (SMEs), open-source telephony environments, and seamless integration with legacy networks:

  • E1/T1 support: Offers 1 or 2 ports (RJ48C interface) for connecting to ISDN PRI, SS7, or R2 MFC networks.

  • Scalability: Handles up to 60 simultaneous calls.

  • VoIP compatibility: Fully compatible with platforms like Asterisk, Elastix, Trixbox, FreeSWITCH, and mainstream Cloud PBX systems

Protocols & Codecs

  • Supports SIP v2.0, including SIP-T, allowing registration of up to 256 SIP accounts

  • PSTN protocol support includes ISDN PRI, optional ISDN SS7, and optional R2 MFC

  • Wide codec support: G.711 (A/μ law), G.723.1, G.729A/B, iLBC, AMR; plus fax (T.38) and modem/POS support

  • Enhances call quality with echo cancellation (G.168) up to 128 ms, silence suppression, comfort noise generation, VAD, jitter buffer, and more

Management & Connectivity

  • Equipped with 2 GE (Gigabit Ethernet) ports for high-speed data and management access

  • Provides an intuitive web interface, SNMP, Dinstar Cloud Management, plus tools for provisioning, configuration backup/restore, and advanced debugging

  • Supports VLAN prioritization (802.1p/q), NAT traversal, rich dialing rules (up to 2000), access rule lists, RADIUS integration, network capture, syslog, NTP sync, and call history logging

Physical Specs & Power

  • Measures approximately 225 × 150 × 38 mm, weighing between 0.75 kg and 0.8 kg (~1.7 lb)

  • Power input: 12 V DC (via an adapter); some sources reference a broader input range (100-240 V AC) depending on model and region

Advanced Configuration & Use-Cases

According to the user manual (2018/23):

  • Designed for telecom operators, call centers, and large enterprises; supports both MTG200-1E1/T1 and MTG200-2E1/T1 models

  • Includes dual Ethernet interfaces: FE0 for services (default IP: 192.168.1.111) and FE1 for management (default IP: 192.168.11.1)

  • Rich features: flexible PSTN ↔ IP routing, dialing rules, codec groups, DTMF modes, ringback tone options, overlapping dialing, caller/called number whitelists/blacklists, access lists, PSTN group failover, call statistics, firmware upgrades, backups/restores, and more

Summary Table

Feature Category Highlights

Connectivity 1–2 E1/T1 ports (RJ48C), 2×GE Ethernet

Capacity Up to 60 concurrent calls

Platform Compatibility Open-source telephony and mainstream Cloud PBX

Protocol Support SIP v2.0, SIP-T, ISDN PRI, optional SS7/R2 MFC

Codec & Fax G.711, G.723.1, G.729, iLBC, AMR, T.38, modem/POS

Quality Enhancements Echo cancellation, VAD, CNG, jitter buffer

Management Tools Web GUI, SNMP, cloud management, syslog, debugging

Physical Specs 225×150×38 mm, ~0.8 kg

Power Supply 12 V DC (adapter), AC support varies by model

Advanced Features Extensive routing, failover, stats, firmware, backups