$1,000.00 - $1,500.00
Min. Order : 1 Piece

Wholesale Etross ETS-32*4 G 32 channels 128 SIM card GSM VOIP GSM GOIP Gateway

Get Latest Price
Trade Assurance
Built-in order protection service in alibaba.com
Product quality
On-time shipment
More on shipping and other trade services.

Quick Details

Port: Shenzhen
Payment Terms: T/T,Western Union,MoneyGram,Paypal
Supply Ability: 3000 Piece/Pieces per Month
Brand Name: Etross
Type: VoIP Gateway
Place of Origin: Guangdong China
Warranty: 1 year
WCDMA: Optional
Echo Cancellation: Support
Color: Black
Reversal Polarity: Support
SMS: Support
Frequency: Quad-band 850/900/1800/1900 MHz
3G WCDMA: Optional
Model Number: ETS-32*4G
Packaging Detail: 330(W) x 250(D) x 230(H) mm Net weight: 5.0kg
Shenzhen Etross Telecom Co., Ltd.
Gold Supplier
Response Rate
On-time delivery rate
US$ 350,000+
R&D staffs
Visit Store



ETS 32*4 GSM Voip gateway with 32 channel and 128 SIM card rotation


Product Description
Product Description


GSM VoIP gateway ETS32x4G is newly designed IP to GSM gateway supporting maximum 32 ports 128 SIMs 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-32x8G provides customer satisfaction in high quality,good performance and system reliance.

Mostly important,GSM Gateway ETS-32x4 features with new functions such as multi- SIM rotation, Human behaviour,BTS rotation,proxy server encryption for anti IP block, ETS bandwidth optimization (SBO), 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.


Main Features:

Support 32 GSM ports, up to 32 concurrent calls (1 Ports 4 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)

Photos :

Packaging & Shipping


Items Quantity Remarks
GSM Gateway 32-128 host 1  
Antenna (Short Antenna)  32 3m cable antenna optional
USB cable  1  
Network cable 1  
Weight 7.5Kg  Complete set
Our Services

We will provide 1 year warranty after sales . 

And if over 1 year , then We will charge the factory cost for the components or spare parts .


Company Information

etross logo.png


Established in 2006,Etross Telecom is a growing high-tech telecom company which specializes in R&D, manufacturing and sales of wireless telecommuniction terminals and solutions, Located in shenzhen china,it has a complete and professional R&D team of hardware and software in telecommunication field,also a strong sales team in sales &Marketing our etross series telecommunications products around the world.For years,we have been devoted to providing telecommunication solutions   for service providers, enterprises and privates.

Etross has several modern production lines and 1 partner factories to meet our production need,the production capacity can reach 1000 sets a day. in etross R&D center,experienced engineers are endeavoring to develop new technology to guarantee our products' quality and competitive advantage in the market.
Etross series products are not only accepted by major telecom operators in China, but also exported to over 60 countries and regions like U.S., Europe, South America, South-east Asia, Middle East, etc. and most of them  passed CE,RoHS certification,our major clients include China Telecom, China Mobile, China Unicom, T-mobile,Sprinter,BSNL,Bhutan Telcom, Sweden Telecom, Anak Telecom etc.


 Check our website http://www.etross.com for more support