Official Matrix Channel Partner in Zimbabwe

Telecoms Solutions


Eternity GE12S

Scalable VoIP-FXO-FXS Gateway


ETERNITY GE12S is a scalable VoIP to FXO-FXS gateway providing scalability of up to 384 IP channels. It is available in multiple configurations of FXO/FXS variants. The gateway offers 16 SIP accounts to register with various SIP service providers.

Organizations with traditional analog system can now seamlessly migrate to IP, while preserving their existing communication infrastructure and dialing patterns. For organizations already migrated to IP, this gateways offers connectivity to fixed-line networks using FXO-FXS interface.

ETERNITY GE12S is a future-proof and scalable solution to grow with the communication needs of an organization. With Matrix ETERNITY GE gateway, service providers and system integrators can effectively deliver carrier-grade services as well as enterprise based applications.


VoIP Gateway for Traditional PBX

  • Seamless connectivity to cost-effective IP network
  • Maintain existing PBX infrastructure and dialing habits
  • Direct IP and proxy calling, even without static IP
  • Make and receive IP calls from analog terminals
  • Compatible with most make of traditional PBX
  • Scalable gateway to grow as per business need


FXO-FXS Gateway for an IP-PBX

  • Seamless integration with existing LAN/WAN infrastructure
  • Deployable in all SIP based VoIP networks
  • Reduced call cost for making POTS calls
  • Flexibility of scaling the connectivity as per business requirement


Key Features

  • Modular and Scalable System
  • Completely non-blocking architecture
  • Easy integration with existing telephony interfaces
  • Open-standard SIP support
  • Make and receive IP calls from analog extensions
  • Register to multiple SIP proxy servers
  • Call budgeting based on allocated amount, minutes and call count
  • Time/number based call routing
  • Restrict unwanted calls with list of denied numbers
  • CPC signaling to prevent port blockages and accurate billing
  • Caller ID presentation and restriction
  • Emergency number dialing
  • Hotline extension setting
  • Web-based remote administration




System Capacity:

Expansion Slots


Expansion Cards

16/32 VoIP Channels per Interface Card
8/12/16/20 SLT Ports per Interface Card
2/4/8/16 CO Ports per Interface Card


VoIP Port:


SIP v2, SDP, RTP (RFC 2833)


Ethernet (RJ 45)

SIP Accounts


Simultaneous VoIP Calls

16 to 384

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


FXO Port:


RJ11 Connector

Dialing and Reception

DTMF and Pulse Dialing


DTMF, FSK ITU-T V.23 and FSK Bellcore 202A CLI


FXS Port:



Dialing and Reception

Pulse and DTMF Dialing


DTMF and FSK CLI Presentation

Answering and Disconnect Signaling

Polarity Reversal for call Connect/disconnect signaling


Power Supply:


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")

Mounting Options

Wall Mount, Table Top and 19" Rack Mount

Operating Temperature

-10° C to +50° C (14° F to +122° F)

Contact Us

+263 4 790 791/5
+263 4 790 777
10th Floor, South Wing
Causeway Building
Cnr 3rd Street / Central Ave
Harare, Zimbabwe