Product Code: Scalable GSM/3G to T1/E1 PRI Gateway


Scalable GSM/3G to T1/E1 PRI Gateway


ETERNITY GE12S is a gateway scalable up to 40 GSM/3G channels. The gateway interfaces with existing ISDN PBX via T1/E1 PRI 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 ISDN PBX

  • Make mobile calls from existing telephone instruments
  • Easy integration with ISDN PBX and terminals
  • Seamless call routing between digital T1/E1 PRI 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
  • Time/number based call routing
  • Call budgeting based on allocated amount, minutes and call count
  • Easy integration with existing telephony interfaces with QSIG feature transparency
  • Direct number dialing on the cellular networks with automatic number translation
  • Restrict unwanted calls with list of denied numbers
  • 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-based GUI
  • Video conferencing (H.320) through PRI NT port


System Capacity:

Expansion Slots 12
Expansion Cards 4 GSM/3G SIM per Interface Card
23/30 digital (T1/E1/PRI) 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 


Channels 2B+D
Physical Connector RJ48 (120Ω)
Personality Network (NT) and Terminal (TE)
Switch Variants AT&T 4ESS, AT&T 5ESS, DMS-100, ETSI NET5, ITU-T Q.921, ITU-T Q.931, NTT INS64, US NI2 (National ISDN 2), QSIG ECMA, France VN Signaling
Framing ESF for T1 and CEPT1 (with/without CRC) for E1

Power Supply:

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


Dimensions (WxHxD) 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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