Dinstar MTG2000B 4* E1/T1 Digital VoIP Trunk Gateway
The Dinstar MTG2000B 4* E1/T1 is a high-availability, carrier-grade Digital VoIP Trunk Gateway designed to connect traditional E1/T1 PSTN or PBX systems with SIP/IP networks. It features 4 E1/T1 interfaces and supports major telecom signaling protocols including ISDN PRI, SS7, and R2 MFC, making it suitable for enterprises, call centers, service providers, and telecom operators.
The MTG2000B incorporates redundant main control units (MCUs) and dual power supplies for increased system availability. It supports up to 120 simultaneous calls in the 4-E1 configuration, flexible routing, multiple SIP trunks, T.38/pass-through fax, modem/POS applications, and comprehensive Web/SNMP management
| Specification | Details |
|---|---|
| Model | Dinstar MTG2000B 4×E1/T1 |
| Device Type | High-Availability Digital VoIP Trunk Gateway |
| E1/T1 Ports | 4 × E1/T1 |
| Interface | RJ48, 120Ω |
| E1 Capacity | 30B+D per E1 |
| T1 Capacity | 23B+D per T1 |
| Maximum Calls | Up to 120 |
| Ethernet Ports | 2 × 10/100/1000Base-T |
| Serial Port | 1 × RS232 |
| VoIP Protocol | SIP v2.0 |
| PSTN Signaling | ISDN PRI, SS7, R2 MFC |
| SIP Accounts | Up to 256 |
| Voice Codecs | G.711A/μ-law, G.723.1, G.729A/B, iLBC, AMR |
| Echo Cancellation | G.168, up to 128 ms |
| Fax | T.38 & Pass-Through |
| DTMF | RFC2833, SIP INFO, In-band |
| Routing | PSTN-PSTN, PSTN-IP, IP-PSTN |
| Security | SIP TLS, SRTP |
| Management | Web GUI, SNMP, Configuration Backup/Restore |
| Power Supply | Dual / Redundant |
| Main Control | Redundant MCU |
| Rack Format | 1U |
| Applications | Enterprise, Telecom, Service Provider & Call Center |
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