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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Etross or OEM
  • Model Number: ETS16x8G
  • Type: VoIP Gateway
  • Protocol: SIP V2.0 RFC3261
  • Management: TFTP, HTTP, Sys log, CDR
  • NAT traversal: Static NAT, STUN
  • Product Net weight: 5.0kg
  • Gross weight: 7.0kg
  • Product Dimensions: 44(W) x 28(D) x 6.8(H) cm
  • Carton box Dimensions: 52(W) x 32(D) x 13(H) mm

Packaging & Delivery

Packaging Details Standard cartons
Delivery Time 3 days after payment

                      GSM Gateway ETS16x8G


GSM VoIP gateway ETS16x8G is newly designed IP to GSM gateway supporting maximum 16 ports 128SIMs of GSM Voice interface, it can effectively realize the smooth transition between PLMN(GSM) and VoIP network. Compact cost effective design and system architecture of GSM Gateway ETS-16x8G provides customer satisfaction in high quality , performance and system reliance.


Mostly important, GSM Gateway ETS-16x8 features with new functions such as multi-SIM rotation, Human behaviour, BTS rotation,proxy server encryption for anti IP block, ETS bandwidth optimization , Auto IMEI change and generation, auto activation SIM card etc.


This product uses the state-of-art technology voice compression and Smart QoS of ETS to maintain the maximum voice quality under fast internet line and slow internet line as well, thus It is an ideal gateway for heavy duty VoIP call termination (VoIP to GSM) and Origination (GSM to VoIP), it is fully compatible with leading soft switch and SIP server.


1.2 Main features

Support 16 GSM ports, up to 16 concurrent calls (1 Ports 8 SIM card ,total 128 SIM card)

Support GSM: Quad-band 850/900/1800/1900Mhz  

            CDMA: 450/ 800/ 1900Mhz optional

            3G/UMTS: 850/900/2100Mhz optional

Support multi-sim card rotation to avoid sim block

Support Human behaviour function

Support SBO (Switch Bandwidth Optimization) 

Support BTS rotation and lock 

Support encryption for VOS for anti-block of IP port

Support SMS Sending / batch SMS Sending / receiving

Support USSD balance inquiry

Auto activation SIM card and recharge 

Support IMEI change , auto IMEI change and generation

Automatically lock/open SIM card/ port according to its balance or alarm 

Support Codec: G.711a/u law, G.723.1, G726,G.729AB

Support bandwidth optimization (optional)

Sys log output by USB interface for tracking records

User friendly web management interface 

HTTP Web support for configuration and upgrade

SIM swapping 

HTTP Web support ASR, ACD, PDD, SIM balance enquiry 

Convert the number as preset rules /Number translation 

Call routing / digit map

CDR management

IVR customized 

BCCH management




          SIM card rotation conditions:


  1. According to accumulated call duration check (talk time)

  2. According to accumulated idle&talking check(use time)

  3. According to accumulated calls check (call counter)

  4. According to consecutive call failure check(call failure)

  5. According to consecutive low-duration calls check (Low duration)


    Human behaviour conditions:

    1) According to accumulated call duration check (talk time)

    2) According to accumulated idle&talking check(use time)

    3) According to accumulated calls check (call counter)



1.3 Specifications




Mobile Ports: 16 ports GSM/CDMA channels


Two(2) 10/100Mbps Ethernet Interface (2xRJ45)


USB: 1 port


Voice Processing


Voice Codec: G.711a/u law, G.723.1, G726,G.729AB


QoS: Diff Serve, T oS, VAD, PLC, CNG


Call Features


Calling Type: Terminate/Originate calls


IVR Voice Prompt: Two stage dialing, Customized IVR


Call handling: One stage dialing, Configurable dial plan, digit map




Mobile Features


General Feature: SMS, USSD, IMEI/PIN modify, Call minutes


restriction, Carrier select, BCCH, Reversal Polarity Network


Network Mode: NAT router or switch mode




NAT traversal: Static NAT, STUN




Protocol: SIP V2.0 RFC3261


SIP Characteristics: By port/device registration, Two183 mode


Configuration Management


Management: TFTP, HTTP, Sys log, CDR


Web GUI: Configuration, firmware upgrade, call status, CDR ,Configuration backup/restore


Hardware Specifications


Power Supply:AC100~240V 50/60HZ DC12V/5A


Temperature: 0~40 °C(Operation), -20~80 °C(storage)


Humidity: 5%~90% RH,


Power Consumption: 35W


Product Appearance: Rack mountable 1u chassis


Product Dimensions: 44(W) x 28(D) x 6.8(H) cm


Product Net weight: 5.0kg


Carton box Dimensions: 52(W) x 32(D) x 13(H) mm


Gross weight: 7.0kg


1.4 Application


VoIP call termination




1.5 Call traffic example


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