Dinstar UC2000-VE 4 Port GSM/WCDMA/LTE VoIP Gateway – Compact Multi-SIM SIP Gateway

Product Overview

The Dinstar UC2000-VE 4 Port GSM/WCDMA/LTE VoIP Gateway is a compact and powerful multi-channel VoIP gateway designed to connect mobile networks (2G/3G/4G LTE) with IP-based telephony systems.

With 4 SIM slots and 4 concurrent call channels, this gateway enables seamless communication between GSM/LTE networks and SIP VoIP platforms, making it ideal for small to medium businesses, branch offices, and call centers.

It supports voice, SMS, and VoLTE services, offering a cost-effective and flexible solution for modern communication systems.

Key Features

1. 4 GSM/LTE Channels with SIM Slots

• Supports 4 simultaneous calls using 4 SIM cards

• Compatible with GSM, WCDMA (3G), and 4G LTE networks

• Ideal for SME and branch office deployments

2. VoLTE & Multi-Network Support

• Supports VoLTE (Voice over LTE) for HD voice quality

• Automatic fallback to 3G/2G networks

• Global frequency band compatibility

3. SIP VoIP Compatibility

• Fully compliant with SIP (RFC 3261)

• Works with IP PBX systems like Asterisk, 3CX, FreeSWITCH

• Supports SIP trunking and trunk groups

4. SMS Gateway & API Integration

• Send and receive SMS via gateway

• Supports HTTP API and SMPP integration

• Features SMS to Email and Email to SMS

5. Advanced Call Routing & Control

• Flexible dial plans and number manipulation

• Caller ID (CLIP/CLIR) support

• Blacklist/whitelist and call monitoring

• Load balancing and routing rules

6. High-Quality Voice Processing

• Supports codecs: G.711, G.729, G.723, G.722, AMR

• Built-in echo cancellation and jitter buffer

• Ensures stable and clear voice communication

7. Strong Security & Encryption

• Supports TLS and SRTP encryption

• NAT traversal (STUN, static/dynamic NAT)

• Secure VoIP communication environment

8. Hot-Swappable SIM & Remote SIM Management

• Replace SIM cards without powering off

• Supports SIMBank & SIMCloud for remote SIM control

• Ensures continuous operation

9. Easy Management & Monitoring

• Web-based GUI for configuration

• Remote management via SNMP/TR-069

• Call detail records (CDR) and traffic statistics

  Technical Specifications

  • Model: UC2000-VE (4 Port Variant)

  • Channels: 4 GSM/WCDMA/LTE Channels

  • SIM Slots: 4

  • Network: 2G / 3G / 4G LTE

  • Protocol: SIP (RFC 3261)

  • Ethernet: 2 × Gigabit RJ45 ports

  • Voice Codecs: G.711, G.729, G.723, G.722, AMR

  • SMS: SMS, USSD, SMPP, HTTP API

  • Security: TLS, SRTP

  • Management: Web GUI, SNMP, TR-069

  • Mounting: Desktop / Rack

  • Power Supply: 100–240V AC

  Why Choose Dinstar UC2000-VE 4 Port Gateway?

  ✔ Cost-effective GSM to VoIP integration
  ✔ Ideal for small and medium deployments
  ✔ Reduce call costs using SIM-based routing
  ✔ Supports voice and SMS applications
  ✔ Easy deployment and management

  This gateway is perfect for businesses looking to integrate mobile communication with VoIP systems while maintaining flexibility and cost control.

  Best Use Cases

  • Small & medium businesses (SMEs)

  • Branch offices and remote sites

  • Call centers and outbound dialing

  • Telecom service providers

  • Areas with limited landline connectivity

  ???? Upgrade your communication system with the Dinstar UC2000-VE 4 Port VoIP Gateway and enjoy flexible, reliable, and cost-efficient voice connectivity.

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