Relay GatewayProduct Brochure
MTG3000
SDH Trunk Voice Gateway
Product Details

Product Overview
The MTG3000 is the next-generation intelligent relay gateway developed by Dingshin Tongda, designed to meet the business needs of specific industries and carriers. Built on a philosophy of maintainability, manageability, and operability, it features carrier-grade performance, high density, and large capacity. Equipped with SDH synchronous fiber interfaces (STM-1), it integrates advanced capabilities such as IP voice, IP fax, Modem, and voice recognition to help users build flexible, efficient, and future-ready communication networks.
The MTG3000 media gateway supports multiple signaling protocols, enabling conversion between traditional SS7 and PRI signaling and SIP. The MTG3000 supports various codecs with comprehensive encoding/decoding capabilities, along with signaling encryption and intelligent voice recognition technologies. These features ensure high voice quality while optimizing trunk resource utilization, making the solution ideal for access networks of all sizes, from service providers to large enterprises.
Other models in the same series
Key Features
- Supports up to 1953 calls (63 E1)
- Each module supports 512 call channels (16 E1).
- Provide 2 5M standard LC SDH optical interfaces
Technical Features
- 2 GE
- SIP v2.0
- Firmware Upgrade via TFTP/FTP/Web
- SIP Trunk Call and Release Cause Statistics
- PSTN Call and Release Cause Statistics
- Data Backup/Restore
- Web-based Visual Configuration and Maintenance
- Local Ringback/Colored Ringtone Passthrough
- Supports Modem/POS
- SIP-T, RFC3372, RFC3204, RFC3398
- RTP/RTCP, RFC2198, 1889
- Noise suppression and detection
- E1 Frame Format Type: DF, MF-CRC, MF
- ISDN PRI 30B+D(E1),NT or TE is configurable
Technical Specifications (6Item
- DTMF Mode
- RFC2833/Signal/Inband
- Fax
- T.38 and Pass-through
- NAT
- Dynamic NAT, Port
- SIP/IMS Registration Account
- Up to 2000
- SIP Trunking Mode
- Peer/Access
- E1 Line Coding
- NRZ,CMI,AMI,HDB3