Dinstar 4 Port LTE 4G GSM Gateway - UC2000-VE-4T

The Dinstar UC2000-VE-4T is a powerful 4-port LTE/VoIP gateway designed to bridge mobile networks and VoIP systems. With four independent channels supporting GSM, WCDMA, and LTE (VoLTE), it allows enterprises, call centers, and service providers to integrate mobile trunks into their IP-PBX infrastructure seamlessly.

The UC2000-VE-4T is ideal for voice termination, SMS applications, and mobile-trunk backup links. It supports SIP v2.0, SMS/USSD over HTTP API, SMPP protocol, and remote SIM management—offering flexibility and high availability. Built with a robust metal chassis and hot-swappable SIM slots, it ensures 24/7 operation in mission-critical environments.

With wide-band LTE and 3G fallback capability, it’s designed to be future-proof as telecom operators evolve from 2G/3G to all-LTE and VoLTE networks. Dual gigabit Ethernet ports, secure SIP/TLS encryption, and a web-based management interface make deployment simple and reliable for both SMB and enterprise use.

Key Features

• 4-channel GSM/3G/4G LTE connectivity (VoLTE-ready)

• SIP v2.0 compliant for seamless IP-PBX integration

• Supports SMS, USSD, and HTTP/SMPP APIs for applications

• Hot-swappable SIMs and remote SIM management capability

• LTE to 3G/2G automatic fallback for reliability

• Dual Gigabit Ethernet ports for high-speed LAN integration

• Web GUI, SSH/Telnet, and HTTP/TFTP firmware upgrade

• Echo cancellation, VAD, CNG, and adaptive jitter buffer

• Compact 1U design with low power consumption

Future-Proof Advantage
The UC2000-VE-4T ensures long-term ROI with support for modern LTE and VoLTE voice technologies, while maintaining compatibility with legacy 3G and GSM systems. Its scalable architecture and wide-band module variants make it ready for carrier network transitions and cross-regional deployment.

???? Technical Specifications (Magento “Specifications” or Tab Section)

Model
UC2000-VE-4T

Mobile Interfaces

• 4 mobile channels, 4 SIM card slots

• GSM: 850 / 900 / 1800 / 1900 MHz

• WCDMA (3G): Bands 1 / 2 / 4 / 5 / 6 / 8 / 19 (variant-dependent)

• LTE (4G): FDD Bands 1 / 3 / 5 / 7 / 8 / 20 / 28A; TDD Bands 38 / 40 / 41

VoIP Protocols

• SIP v2.0 (RFC 3261) over UDP/TCP/TLS

• RTP/SRTP, STUN, NAT traversal

• Codecs: G.711 A/u-Law, G.723.1, G.729A/B, optional G.722/AMR

Voice & Call Features

• Call routing, number manipulation, call restriction lists

• SIP trunk and trunk group management

• GSM/LTE to VoIP and VoIP to GSM/LTE call bridging

• Auto-dial, call duration limit, and balance control

• SMS to email, email to SMS, HTTP API for SMS

• SMPP protocol support for bulk SMS

Hardware Interfaces

• 2 × 10/100/1000 Base-T (RJ45) Ethernet ports

• 4 × SMA connectors for mobile antennas

• 1 × RS-232 console port (via USB-B type on some variants)

Management & Maintenance

• Web/HTTPS GUI, Telnet/SSH CLI, SNMP support

• Firmware upgrade via HTTP/TFTP

• Auto-provisioning and centralized management

• CDR (Call Detail Record) storage up to 10,000 entries

• Syslog and event logging

Security & QoS

• SIP/TLS, SRTP encryption

• G.168 echo cancellation (up to 128 ms)

• Dynamic jitter buffer, VAD, CNG

• Firewall and IP whitelist/blacklist

Power & Environmental

• Power input: 100-240 V AC (50/60 Hz) or 12 V DC 4 A

• Typical consumption: < 25 W

• Operating temperature: 0 °C – 40 °C

• Storage temperature: -20 °C – 80 °C

• Humidity: 10 – 90% non-condensing

Physical

• Dimensions: 250 × 156 × 32.5 mm

• Weight: approx. 1.07 kg

• Mounting: desktop or rack-shelf placement

Applications

• IP-PBX mobile trunking for SMEs and enterprises

• Backup voice connectivity over mobile network

• Bulk SMS/USSD gateway for marketing or alerts

• Multi-site or rural voice network deployment

• VoLTE/VoIP hybrid communication systems

Compliance

• CE, FCC, RoHS certified