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E1/T1 Gateway

Standalone and fan less, easy to install and sturdy construction, this 4 module GSM gateway will bridge IP calls to GSM and vice versa. Use the web interface for easy and quick configuration.
  • 4 ports for communication over a SIP-to-cellular connection
  • SMS Sending and Receiving Support USSD service
  • Send Bulk SMS
  • SMS to E-mail
  • SIM Balance Alarm
  • Caller ID Black List
  • Call Duration Limitation for particular SIM
  • Call Back
  • Call Forwarding (unconditional, no reply, busy, not reachable)
  • Open API interface (AMI)
  • Gateway control via SMS.(Reboot, Reload, Fetching IP)
  • Recharge of SIM balance via GUI
  • Flexible call routing
  • Configuration and management using a Web browser


4 GSM Modules with single SIM card per GSM module.
Quad-Band GSM 850/900/1800/1900 MHz
External Antenna
Echo Cancellation support inbuilt in GSM Module


SIP (RFC3261) compliance
NAT support
Voice codecs: G729, G.711 A/U law


Two 10/100 Mbps Ethernet interfaces
Protocols: DHCP, TCP/UDP, Telnet, HTTP, TFTP