Product Code: Scalable VoIP to GSM/3G Gateway


Scalable VoIP to GSM/3G Gateway


ETERNITY GE12S is a gateway scalable up to 40 GSM/3G channels. The gateway interconnects to an IP-PBX over LAN/WAN interface. The gateway helps avoiding the interconnections cost by placing calls to mobile numbers over the GSM/3G networks. 

Automated routing algorithms help taking advantage of various service provider schemes based on time, number or the network called. 

Organizations can take advantage of corporate CUG plans for making frequent calls to field workers from office. Call centers, banking and financial institutions can take advantage of the GSM/3G connectivity while making calls to the mobile numbers of customers, employees and other business alliances. A completely non-blocking architecture makes ETERNITY an ideal platform for those offering termination services.



GSM/3G Trunking for IP-PBX

  • Make mobile calls directly from IP terminals
  • Easy integration into existing LAN/WAN infrastructure
  • Seamless call routing between IP and GSM/3G networks
  • Time/number based least cost routing

Key Features

  • Modular and Scalable up to 40 GSM/3G SIMs
  • Completely non-blocking architecture
  • Easy integration with existing telephony interfaces
  • Open-standard SIP
  • Seamless call routing between GSM/3G and IP networks
  • Time/number based call routing
  • Call budgeting based on allocated amount, minutes and call count
  • Restrict unwanted calls with list of denied numbers
  • Direct number dialing on the cellular networks with automatic number translation
  • Quad-Band GSM network operation
  • Tri-Band 3G network operation
  • AMR codec support on GSM network for effective spectrum and bandwidth utilization
  • Caller ID presentation/restriction
  • Emergency number dialing
  • Hotline extension setting
  • Network and BTS locking
  • Single antenna for 4 GSM/3G SIMs
  • Remote web-based programming
  • SIM balance Inquiry and recharge from web GUI 




System Capacity:

Expansion Slots 12
Expansion Cards 4 GSM/3G SIM per Interface Card
16/32 VoIP Channels per Interface Card


Mobile Port:

Frequency Bands Quad-Band GSM850, EGSM900, DCS1800, PCS1900
Tri-Band WCDMA 850/1900/2100 MHz or Tri-Band WCDMA 900/1900/2100 MHz
Compliance ETSI GSM Phase2/2+
SIM Interface 1.8, 3V SIM Interface
Antenna Panel Mount or Extended Cable Antenna 
1.8/3.0 dBi, 50 Ω SMA (Male) Connector 


VoIP Port:

Protocol SIP v2
Physical Connector Ethernet (RJ45)
Voice Quality G.168 Echo Cancellation, Layer3 QoS and DiffServ, CNG
Voice Codecs G.711 (A-law, µ-Law), G.723, G.729AB, GSM-FR, GSM-EFR and iLBC Voice Codec
SIP Trunks 16


Power Supply:

Input Option 1 (Mains): 100-240 VAC, 47-63 Hz
Option 2 (DC): 48VDC +/- 20%
Power Consumption 50W (Typical)



Dimensions 41.2x16.0x25.4cm (16.22"x6.29"x10.0")
Unit Weight 6.5kg(14.3lbs)
Shipping Weight 9.5kg(20.9lbs)
Mounting Options Wall Mount, Table Top and 19" Rack Mount



Dimensions 41.2x16.0x25.4cm (16.22"x6.29"x10.0")
Unit Weight 6.5kg(14.3lbs)
Shipping Weight 9.5kg(20.9lbs)
Mounting Options Wall Mount, Table Top and 19" Rack Mount



Operating Temperature  -10° C to +50° C (14° F to +122° F)
Storage Temperature  -40° C to +85° C (-40° F to +185° F)
Operating Humidity  5-95% RH (Non-Condensing)
Storage Humidity  0-95% RH (Non-Condensing) at 40° C


Regulatory Compliances:

IEC 60950-1, IEC 6000 68-2-6:2007, IEC 68-2-27, IS:9000, TEC, RoHS, FCC Part15, FCC68, CE



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