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Dinstar UC2000-VF-16T 16-channel GSM 3G 4G WCDMA LTE VoIP Gateway



DINSTAR UC2000-VF series GSM/LTE VoIP Gateway is a 16 channels wireless gateway based on DINSTAR new hardware platform and powerful embedded CPU, leveraging state-of-art and latest VoIP / SIP technology, which enables the smooth transit between 4G/3G/2G mobile network and VoIP networks. Supporting up to 16 concurrent calls in a single 1U box, makes it an ideal choice for users.

Moreover, with open API, it allows users to build their own application software to send SMS/USSD messages or bulk SMS messages, or push their text messages from email, HTTP etc.

It is suitable for enterprises, multi-site organizations, call centers and areas with limited landline like rural area to cut down telephony costs and enable easy & efficient communications.

  • Up to 16 Channels GSM or LTE
  • Powerful Embedded CPU
  • Compatible with LTE-FDD/LTE-TDD/WCDMA/GSM Networks
  • Compatible with Mainstream VoIP Platform
  • Hot Swappable SIM Cards
  • Voice over LTE (VoLTE)
  • HTTP API for SMS Application Integration
  • SMS to Email & Email to SMS
  • Flexible Dial Rules & Manipulation Rules
  • Auto CLIP
  • Remote SIMs Management (optional)


  • Mobile connectivity for SME IP phone system
  • Mobile trunking for Multi-site offices
  • GSM/3G as voice backup trunks
  • Call termination for service providers
  • Land-line replacement for rural area
  • Bulk SMS service
  • Call Center / Contact Center Solution

Hardware Interfaces

  • Mobile: 16 Channels
  • SIM Card slots: 16
  • Antennas Connectors: SMA
  • Ethernet Interfaces:

2*10/100/1000 Base-T, RJ45

  • LED Indicators:

Power, RUN, Channel indicator

  • Console:

-1* RS232 (USB-B connector)
RST/PWR Button

VoIP & Media

  • Protocol: SIP v2.0, RFC3261
  • Codecs:G.711A/U, G.723.1, G.729A/B,
  • G.722, AMR, OPUS(TBD)
  • Silence Suppression
  • Comfort Noise Generator(CNG)
  • Voice Activity Detection(VAD)
  • Echo Cancellation
  • Dynamic Jitter Buffer
  • DTMF: RFC2833, SIP Info
  • Call Progress Tone Generation
  • Programmable Gain Control
  • NAT: STUN, Dynamic NAT, Static NAT

LTE Frequency Bands
UC2000-VF-16T VoLTE gateways with several options:
Type A:
FDD: B2/B4/B12 WCDMA: B2/B4/B5
Type E:
TDD: B38/B40/B41
Type V: FDD:B4/B13
Type J:
TDD:B41 WCDMA:B1/B6/B8/B19
Type AU:
TDD:B40 WCDMA: B1/B2/B5/B8
GSM: 850/900/1800/1900

Software Features

  • Mobile to VoIP, VoIP to Mobile
  • SIP Trunk and Trunk Group
  • Caller/Called Number Manipulation Rules
  • SIP Codes Mapping
  • White/Black List
  • PSTN Hotline
  • VoIP Hotline
  • Abnormal Call Monitor
  • Minutes Limitation for Ports/Single Call
  • Balance Check
  • Low Balance Alarm
  • Auto Update SIM Number
  • Random Call Interval
  • Auto CLIP Routing
  • Signaling & RTP Encryption(DBO)
  • Auto SIP Account

Mobile Features

  • Encoding: Unicode/ASCII
  • HTTP API for SMS
  • SMPP for SMS
  • Polarity Reversal
  • SMS Send and Receive
  • SMS to Email
  • Email to SMS
  • Auto SMS/Call Generation
  • Call Waiting/Call Back
  • Call Forward
  • Call Conference
  • GSM Audio Coding: HR, FR,EFR,


  • Web/Telnet Configuration
  • Configure Backup/Restore
  • Firmware Upgrade by HTTP
  • Factory Reset
  • CDR (10000 CDRs Storage Locally)
  • Syslog/Filelog
  • Ping and Tracert
  • Traffic statistics: TCP,UDP,RTP
  • VoIP Call Statistics
  • PSTN Call statistics: ASR,ACD,PDD
  • Voice Diagnose with Loopback
  • GSM Network Test
  • IVR Customization
  • SIP/RTP/PCM Capture
  • SIMCloud Management
  • Centralized Management(DMS)

Physical Features

  • Power Supply: 100-240V,50-60Hz
  • Power Consumption: 38w
  • Temperature(Operation): 0 ? ~ 40 ?
  • (Storage): -20 ? ~80 ?
  • Operation Humidity: 10%-90%
  • Dimension(W/D/H): 440×270×44mm
  • Unit Weight: 3.7kg

More Information