Product Code: Multi-SIM VoIP to GSM/3G Gateway


Multi-SIM VoIP to GSM/3G Gateway


With ever increasing mobile call traffic and expanding field forces, organizations are realizing the need of GSM trunking for cutting down the cost of mobile calls. GSM voice extends business reach where fixed lines cannot reach and saves telecom cost by converting fixed-to-mobile calls into mobile-to-mobile calls. 

Matrix SETU VG is a compact VoIP-GSM gateway with up to 4/8 GSM and 3G SIM support. Integrated GSM/3G connectivity and open standard SIP support enables SETU VG gateway to easily connect with leading IP phone systems, software based IP-PBXs, hosted and SIP trunking services. SETU VG is a suitable GSM trunking solution for enterprises, call terminators and areas with limited landline and internet connectivity such as remote project offices, rural and educational institutions. 



GSM Trunking for IP Phone Systems

SETU VG gateway helps organizations making huge number of calls over mobile networks to drastically cut down recurring telephony bills. When connected with existing hardware or software based IP phone system, SETU VG allows extension users to place outbound calls using integrated mobile SIMs similar to landline trunks. This in turn eliminates PSTN inter-connection charges of fixed-to-mobile calls by converting them into mobile-to-mobile calls. 

SETU VG also delivers value added features such as host swapping of SIM cards, SIM balance recharge from GUI and high-speed internet access over 3G. This makes it ideal solution for small & medium enterprises, remote offices and project sites, rural and educational institutions.


GSM Call Termination for Service Providers

GSM call termination help service providers to benefit from reduced mobile call charges and maximize cost savings with multiple SIM support. Intelligent call routing and comprehensive gateway feature of SETU VG ensures quick RoI, superior voice and quality of service for call terminators and ITSPs. 

Service providers can benefit from advanced features such as hot swapping of SIM cards, remote SIM balance inquiry and recharge, global GSM/3G support, automatic number translation, configurable call minutes, SMS notifications, monitoring and auto provisioning for mass deployments.

Hop Off GSM Trunking for Multi-Site Organizations

Multi-location organizations while communicating with dispersed field forces incur huge telephony bills using PSTN services. Instead, routing of long-distance calls across IP and dropping them off to the GSM network at remote GSM gateway saves VoIP-PSTN inter-connection costs significantly. 

Users located at main office can access the GSM trunk of SETU VG gateway and transparently hop off to the PSTN to reach off-net locations. 

Note: This feature should be used in compliance with local telecom regulations.


GSM Gateway for Call Center Solutions

Delivering exceptional customer services is a big challenge for call center industry. To find out new ways of reaching customers and lowering down the cost of communications, call centers have realized the need of multi-port GSM gateway. When integrated with existing IP phone system, SETU VG offers benefits of cost-effective GSM calls and last mile reach. 

Matrix SETU VG easily gets connected with any hardware or software based IP-PBXs, IVRs and Predictive Dialers using SIP support. All calls made to mobile numbers are placed using most appropriate SIM card to significantly lower down the call costs. Moreover, the SIM cards of SETU VG gateway are hot swappable. Thereby allowing users to choose from time and region specific calling plans and uninterrupted services with zero down time.


GSM/3G as Voice Backup Trunks

SETU VG uses SIP standard to integrate with IP phone systems and offer voice backup solution over GSM/3G with 4 or 8 voice channels. For customer using SIP and PSTN as primary voice trunks, SETU VG allows critical voice communication to reach the desired number for disaster recovery in events such as emergency communication, power outages or broken fixed lines. 

Ideal for business verticals such as Transportation, Healthcare, Hospitality, Education, Manufacturing, Government and Retail, SETU VG provides low cost and easy to deploy voice backup solution over omnipresent GSM/3G networks.


Features List

  • 3G Internet over First SIM (DL/UL - 14.4/5.76 Mbps)
  • Access Codes - Making a New Call, Disconnect Call
  • Allowed and Denied List
  • Automatic Number Translation
  • Backup Configuration
  • Blacklist Callers
  • Block ICMP on WAN
  • Block PING on WAN
  • Call Detail Record (CDR) - 2000 Numbers
  • Call Minutes - Configurable Up to 9999 Minutes
  • Call Minutes – Balance Alarm, Scheduled Date
  • Call Progress Tones
  • Call Waiting
  • Caller ID Presentation
  • CDR Filters - SIP Trunks, GSM Ports, Time, Date, PIN
  • Certificate Manager
  • Clone MAC Address
  • Daylight Saving Time
  • Dial Plan
  • Digest Authentication
  • Dynamic DNS
  • Emergency Numbers
  • Fax over IP (FoIP)
  • Firmware upgrade by HTTP/TFTP
  • G.168 Line Echo Cancellation
  • Gain/Volume Adjustment - Microphone/Speaker
  • Quad-Band GSM and Penta band 3G/UMTS Support
  • Hotline
  • Hot Swapping for SIM Cards
  • IMEI Number
  • Message Wait Indication
  • Mobile Network/Band Selection - Auto/Manual
  • Multiple Language Support - English, Italian, Spanish, French, German, Portuguese
  • Multi-Stage Dialing
  • NAT/STUN Support
  • Password Protection
  • PCAP Trace
  • Peer-to-Peer Calling
  • PIN Authentication
  • QoS (Layer 3 Diffserv and TOS)
  • Selective IP Address for Web Server Access
  • Selective WAN Access - Web Server, FTP, Telnet
  • Signal Strength Indication
  • SIM Balance and Recharge
  • Single Antenna per 4 GSM/3G Ports
  • SMS Notification - WAN Link Down, Change of IP Address, Calling Minutes, Data Usage, SIM Balance
  • SNMP Monitoring
  • Soft Restart
  • Static Routing
  • System Debug
  • TLS/SRTP Security
  • TR-069 Auto Configuration
  • USSD
  • Web based Management
  • White List IP Address




VoIP Parameters:

VoIP Protocols SIP v2, SDP, RTP (RFC 2833), SRTP
Network Protocols IPv4, TCP, UDP, DHCP, PPPoE, SNTP, NAT, STUN, HTTP, TLS, DynDNS
SIP 9 SIP Accounts with Out Bound Proxy Support
NAT STUN and NAT Keep Alive
Voice Codecs G.711 A/µ-Law, G.723, G.729, GSM-FR
Line Echo Cancellation G.168 with 128ms Tail Length
Call Progress Tones Dial Tone, Ring Back Tone, Busy Tone, Error Tone
Voice Dynamic Jitter Buffer (Adaptive), Comfort Noise Generation and Voice Activity Detection
Fax T.38 (UDTPL), T.38 (RTP) and Pass-Through
Quality of Service Layer 3 DiffServ and TOS
Data Network 2 Ports Auto MDIX 10/100 BaseT (RJ-45)
Security Password Protected Administration
Physical Connector RJ45


GSM Parameters:

GSM Frequency Band GSM: GSM850, EGSM900, DCS1800, PCS 1900
GSM 3G Frequency Band GSM: 850/900/1800/1900
UMTS: 800/850/900/1900/2100
SIM Card One SIM per GSM Port
SIM Interface 1.8V, 3V
Transmission Power 2G:
  • Class 4 (2W) at EGSM900 and GSM850 MHz band
  • Class 1 (1W) at DCS1800 and PCS1900 MHz band
  • Class 4 (33dBm±2dB) for GSM850 and EGSM900
  • Class 1 (30dBm±2dB) for DCS1800 and PCS1900
  • Class E2 (27dBm±3dB) for GSM850 and EGSM900 8-PSK
  • Class E2 (26dBm+3/-4dB) for DCS1800 and PCS1900 8-PSK
  • Class 3 (24dBm+1/-3dB) for UMTS800/850/900/1900/2100
Antenna (Panel Mount) One Antenna per 4 GSM Ports, Fixed Omni Directional Swivel Antenna, 1.8dBi/2.0dBi, 50Ω SMA (Male) Connector



Input 12VDC, 2A through External Adaptor
Power Consumption 15W (Typical)
Connector DC Power Jack
LED Indications
  • 1 each for Power and Status
  • 1 each for GSM Port



Dimensions (WxHxD) 231 X 162.5 X 55 mm
Unit Weight 0.72 Kg (1.58 lbs)
Shipping Weight 1.60 Kg (3.52 lbs)
Installation Mounting Wall Mount and Table-Top



Operating Temperature 0ËC to +40ËC (32ËF to +104ËF)
Storage Temperature -40ËC to +85ËC (-40ËF to +185ËF)
Operating Humidity 5-95% RH (Non-Condensing)
Storage Humidity Max. 0-95% RH (Non-Condensing)


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