The Dinstar MTG2000 Trunk Gateway is a new-generation intelligent VoIP gateway designed for enterprises, telecom operators, and various industries. It focuses on maintainability, manageability, and operability, offering high integration and large capacity. The MTG2000 provides carrier-grade VoIP and FoIP services, along with value-added functions such as modem and voice recognition, to build a flexible, high-efficient, and future-oriented communication network. It supports a range of signaling protocols, enabling interconnection between SIP and traditional signals like SS7 and PRI. The gateway supports multiple codec methods, signal encryption technology, and smart voice recognition technology, improving the utilization efficiency of trunking resources while ensuring voice quality. It is ideally suited for various access networks of SMEs, call centers, telecom operators, and large-scale enterprises.
Key Features:
- Multi-port and high-integrated structure: Up to 20 E1/T1 with a 1U size.
- Service Provision: Provides various services such as VoIP, FoIP, Modem, and POS.
- Flexible Dialing Rules: Supports flexible dialing rules and operations, allowing users to customize dialing rules for different working environments.
- Multiple Coding Standards: Supports G.711A/U, G.723.1, G.729A/B, and iLBC.
- High Compatibility: Interoperable with PBX systems from Avaya, NEC, and Alcatel, as well as leading soft-switches from Huawei, Cisco, and ZTE.
Physical Interfaces:
- E1/T1 Ports: Available in configurations of 4, 8, 12, 16, or 20 E1/T1 ports. Each DTU module provides 4 E1/T1 ports.
- Interface Type: RJ48 (Impedance 120Ω).
- Ethernet Interface:
- GE1: 100/1000 Base-T Adaptive Ethernet (for services, default IP: 192.168.1.111, netmask: 255.255.255.0).
- GE0: 100/1000 Base-T Adaptive Ethernet (for network management, default IP: 192.168.11.1, netmask: 255.255.255.0).
- Serial Port: 1x RS232, 115200bps.
Protocols Supported:
- SIP: v2.0 (UDP/TCP), RFC3261, SDP, RTP(RFC2833), RFC3262, RFC3263, RFC3264, RFC3265, RFC3515, RFC2976, RFC3311.
- Security: SIP TLS/SRTP.
- Signaling: PRI/SS7 Protocol.
- RTP/RTCP: RFC2198, RFC1889.
- SIP-T: RFC3372, RFC3204, RFC3398.
- SIP Trunk Work Mode: Peer/Access.
- NAT: Dynamic NAT.
- SIP Rport.
Voice Capabilities:
- Codecs: G.711a/µ law, G.723.1, G.729A/B, iLBC, AMR.
- Silence Suppression.
- Packet Loss Concealment (PLC).
- Voice Activity Detection (VAD).
- Comfort Noise Generation (CNG).
- Gain Control: Voice and Fax.
- Echo Cancellation: G.168, with up to 128ms.
- Adaptive Dynamic Buffer.
- FAX: T.38 and Pass-through.
- Modem/POS Support.
- DTMF Mode: RFC2833/Signal/Inband.
- Clear Channel/Clear Mode.
PSTN Features:
- ISDN PRI: 23B+D(T1), 30B+D(E1), NT or TE, ITU-T Q.921, ITU-T Q.931, Q.Sig.
- Signal 7/SS7: ITU-T, ANSI, ITU-CHINA, MTP1/MTP2/MTP3, TUP/ISUP.
- E1 Frame Type: DF, CRC-4, CRC_ITU.
- T1 Frame Type: 2-Frame Multi-frame (F12, D3/4), Extended Super-frame (F24, ESF).
- Line Codes: E1: HDB3, T1: B8ZS.
- Clock: Local/Remote Clock Source.
Call Features:
- Flexible Route Methods: PSTN-PSTN, PSTN-IP, IP-PSTN.
- Intelligent Routing Rules: Based on Time, Caller/Called Prefixes.
- Number Manipulation: Caller and Called Number Manipulation.
Software Features:
- Ring Back Tone: Local/Transparent.
- Dialing: Overlapping Dialing, Multiple Dialing Rules.
- PSTN Grouping: By E1 port or E1 Timeslot.
- IP Trunk Group Configuration.
- Voice Codecs Group.
- Number Lists: Caller and Called Number White/Black Lists.
- Access Rule Lists.
- IP Trunk Priority.
- Encryption: RTP and Signaling Encryption (VOS RC4).
Hardware Specifications & Environment:
- Power: Redundant Power, 100-240VAC, 50-60 Hz.
- Power Consumption: 45W.
- Operating Temperature: 0 ℃ ~ 45 ℃.
- Storage Temperature: -20 ℃ ~ 80 ℃.
- Humidity: 10%-90% Non-Condensing.
- Dimensions (W/D/H): 436*300*44.5mm (1U).
- Unit Weight: 3.8kg.
- Compliance: CE and FCC.
Usage Features:
- Quick Installation: Detailed steps for physical installation, including placing into a shelf, connecting grounding wire, connecting to Ethernet (GE1 for services, GE0 for management), and connecting to PSTN via a distribution frame.
- RJ-48 Cabling: Instructions on how to make RJ-48 joints for E1/T1 cables, including wire sequencing (PIN1: orange & white, orange, green & white, blue, blue & white, green, brown & white, brown; PIN2: blue, blue & white, green & white, orange & white, orange, green, brown & white, brown). Note: RJ-48 cables are typically provided with the device.
- IP Address Configuration: Default GE1 IP is 192.168.1.111, GE0 IP is 192.168.11.1. Users must configure their PC's IP to be in the same network segment as the GE1 port for initial access.
- Local Maintenance (Console Port): Provides a standard RJ45 console port (Baud rate: 115200bps) for maintenance-related configurations. Users can log in via software like PuTTY.
- Web Interface Login: Access via a web browser using the default GE0 IP address (192.168.11.1). Default username:
admin, password: admin@123#. Users are advised to change the default password for security.
- Configuration Flows: A structured approach to configuring the MTG2000, starting from network configuration, SIP/PSTN/IP group configuration, number filtering, clock source, E1/T1 parameters, codec groups, dial plans, and call routing.
- Status & Statistics: Comprehensive monitoring of system information, DTU status, physical connection status, PRI/SS7/R2 signaling status, SIP registration status, call statuses, and call statistics.
- Network Parameter Configuration: Manages IP addresses for service and management ports, static IP routing tables, ACL management, and VLAN configuration.
- PRI/SS7/R2 Configuration: Detailed parameter settings for PRI, SS7, and R2 protocols, including trunk parameters, link sets, and circuit maintenance.
- PSTN Group Configuration: Settings for clock source, E1/T1 parameters, port numbers, codec groups, dial plans, SRTP parameters, PSTN cause mapping, and PSTN profiles.
- SIP Configuration: Parameters for SIP trunks, SIP accounts, DNS resolution, and SIP redundancy groups. Supports Peer and Access modes for SIP trunking.
- IP Group Configuration: Manages service control parameters for IP calls, including IP rules, IP groups, and IP group management, supporting early media streams, ringback tone sources, and concurrent call settings.
- Number Filter: Manages black and white lists for calling and called numbers, caller number pools, and number-bound TsNo for flexible call filtering.
- Call Routing: Manages call routing directions (IP to PSTN, PSTN to IP, PSTN to PSTN), including routing priority and number manipulation.
- Number Manipulation: Allows changing caller or callee numbers in six directions (PSTN->IP Callee/Caller, PSTN->PSTN Callee/Caller, and IP->PSTN Callee/Caller) by removing prefixes, adding suffixes, or reserving digits.
- Voice & Fax Configuration: Configures parameters for voice and fax services, including RTP voice parameters, RTP port settings, VAD/CNG, DTMF, PSTN call gain, no-answer timeouts, and fax detection.
Maintenance Features:
- Ping Test: Checks network connectivity by sending test packets and calculating response time.
- Tracert Test: Determines the route from one IP address to another.
- Signaling Call Test: Tests the successful connection of call signaling for PSTN->IP or IP->PSTN calls, providing trace messages for troubleshooting.
- Network Capture: Captures data packets on available network ports, allowing users to specify source and destination hosts for analysis.
- Debug Command: Supports "closing all" tracing.
- Management Parameters: Basic settings for device management, including WEB, Telnet, SSH access control, SYSLOG, FILELOG, NATS server configuration, E1 auto-close, QoS, NTP synchronization, and time settings.
- Server Parameter: Configuration for authentication, recording, and voice recognition servers.
- Cloud Server: Allows registering the MTG2000 to a cloud server for centralized management.
- NMS Server: Enables registration to an NMS server for NMS services.
- Mail Server: Configures email alerts for device alarms.
- SNMP Parameter: Settings for network management via SNMP, including SNMP version, listen port, user configuration, group configuration, view configuration, access configuration, and trap configuration.
- Radius Parameter: Configuration for RADIUS server authentication and accounting, including server IP, ports, retry settings, and timeout behavior.
- Data Download: Allows saving service data, system logs, call logs, and userboard logs to a local computer.
- Data Restore: Restores database, dialplan, and SIP account configurations from uploaded files.
- License Management: Displays license information.
- Version Information: Displays software, database, Web, FPGA, DSP, and DTU board version information.
- Firmware Upload: Uploads files to upgrade software, Web interface, and Mod files.
- User Account Management: Manages user accounts, including creation, modification, and deletion.
- User Group Management: Manages user groups with defined permissions and login policies.
- Password Modification: Allows changing the default password for enhanced security.
- Auto Reset: Configures timed or delayed device restarts, with protective reset options to avoid interrupting active calls.
- Device Restart: Provides an option to manually restart the MTG2000 device.
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