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GoIP 32 call center device/32 sims gsm gateway,gsm voip goip gateway sip trunk to asterisk ip pbx

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Company Information

Shenzhen Eou Technology Co., Ltd.

CN Manufacturer
Response Time
Response Rate:
US$ 40,000+
3 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Place of Origin: Guangdong China
Brand Name: Ejoin
Model Number: ACOM532G-32
Type: VoIP Gateway
Description: gsm gateway 32 port 32 sim slots
Frequency: 850/900/1800/1900Mhz
Management: Web GUI software
Firmware update: Local file, FTP, TFTP and HTTP
Voice Codec: G729,G723,G711 A/U law,G726-32,G722 auto-selecting
Protocol: Standard SIP/HTTP SMS API/SMPP
After-sale service: free lifetime tech support
Gross Weight: 6KG
Dimension: 450*200*50mm
Warranty: 12 Months
Selling Units: Single item
Single package size: 44X22X5 cm
Single gross weight: 5 KG
Package Type: 1.One device with accessories in one paper box, 5 devices in one carton with built-in EPE foam 2. Weight: about 6kgs.
Package Preview:
Quick Response

7*24 hours Online Service

Skype: ejointech.v 
Wechat: Ma_Kye

Pre-Sale Service

* Online demo device/softwares for testing
* Inquiry and consulting support
* View our Factory

After-Sale Service

* Free Lifetime Technical Support
* One year warranty
* Free Firmware Version Upgraded Online

Tech Specification

                            Call Center device 32 port 32 sim VoIP gsm gateway 

   ACOM532G-32 is a multi-functional and high performance product, which convert GSM network to VoIP.It supports 32 calls concurrent.With multiple call duration control and unique human behavior , customers can get high performance easily. It is widely used in call termination,call center, enterprise communication,sim active, sms verify code, sms termination, automated appointment reminder service,sim recharge and corporate sms,sms mobile marketing,wallet payment system etc.

Number of Channels
sim slots
  SIP Specification
SIP/2.0 RFC3261
Session Timer RFC4028
                                                                                Network Protocols
Telephony Features
Hot-line call ,Dial plan, Speed dial, Phone book, CDR, LCR, White/Black list
                                                                                            Telephony Signaling
100% DTMF tone dectection/generation
DTMF relay: in-band, RFC 2833 and SIP info
Call forward: unconditional, no answer and busy
N-way conferencing
Caller ID display/generation, Mobile Number Portability
                                               Voice Capability
Voice codecs:G729a/b/e,G723.1,G.711 A/U law, iLBC auto-selecting
Echo cancellation
Silence suppression & detection(VAD, CNG)
Adaptive jitter buffer
Volume adjustable
IVR customized
Number of Ports
1 WAN 10/100Base-T ethernet(RJ-45 connector)
1 Console(USB)
1 Power and 32 groups of card online and running status indicator
Power Supply
100-240VAC, 50 - 60 Hz IN, 12V/8A OUT
Operating Environment
Operating temperature: 0 - 50ºC
Operating humidity: 10 – 90%RH
12 Months

Features for anti sim block by:

Accumulated Call Duration
Accumulated Connected Calls
Accumulated Calls
Consecutive Failed Calls
Consecutive No-Alert Calls
Consecutive No-Answer Calls
Consecutive No Carrier Calls
Consecutive Short-Duration Calls
Station intelligent switching
Port Inter-Calling/SMS
Call Duration Limitation for SIM Card/Single
SIM Card Rotating(Multi sim models)

IMEI Modify

Call forwarding waiting

SMS send interval Modify

Internet sim data simulation

EBO(Ejoin Bandwidth Optimization)

Proxy Encryption Solution for IP Block
Support SIM Bank
Fake Ringback
Dial Plan/Prefix Inward Translation/Intelligent Routing

Mobile Features:

SMS Send, Receive and Forward(GSM/SIP/HTTP)
SMS Inbox
AT Command , USSD
PIN Code Management
CDMA Delay Answer
GSM Polarity Reversal
Carrier Selection
Caller ID Hidden(need SIM Card support)

Maintenance And Management:

Web Browser: Firefox/Chrome /IE/Opera

Multi-language Interface
USB Serial COM

Configuration Backup and Restore
Support HTTP/TFTP Upgrade

Call statistics: ASR,ACD,PDD
Ejoin Remote Management System

Ejoin Terminal Management System

Ejoin SMS Software

Softwares Interface

1.Web UI Management Software inside For VoIP gsm gateways and SMS Modems

* IMEI change/base station change/auto sim switch etc

2.EJOIN Free Terminal Centralized Management System For Monitoring all status 

*CDR checking/SMS query/sim balance/sim status/configuration and new firmware upgraded remotely

3.EJOIN Free SMS Software Compatible With Ejoin VoIP Gateway&HTTP SMPP SMS modem

*support upload bulk contacts and contents in excel format for bulk sms sending, receiving and forwarding online
Applications Daigram

1.Enterprise Application For Saving Bulk International Calling Cost

2.Call Center Working Daigram

3.Call Termination working Daigram
SMS Termination
HTTP/SMPP for Intergrate external System

SMS Marketing

Free SMS Software For Bulk SMS Marketing

Packing & Delivery
DHL,UPS,FEDEX,TNT,EMS(can ship to anywhere all over the world)
and Aremax(middle east special line) with making clearance to BD,PK, Sudan and so on.
About Eoutech

EouTech is a brother company of Ejointech,the original developer and manufacturer of VoIP Gateways and solutions for more than 16 years.We provide high quality 2G/3G/4G VoIP sim gateways, HTTP/SMPP SMS modems, SIMBANK,FXS/FXO gateways , Media gateways, IP phones and Value added applications as well as specialized and Flexible VoIP communication solutions based-SIP,OEM and ODM services for carriers and providers around the world.

Ejointech 2G/3G/4G VoIP sim gateways are based on industry standard protocols, which are fully compatible with Asterisk and well known VoIP device providers (Cisco,Huawei etc), for deploying flexibly many communication solutions, to bring deeper clarity and better end-user communication experience.
Customer satisfaction is our eternal pursuit. We are looking forward to creating a brighter future with all our customers! The reliable and competitive products, the trained technical support team can satisfy you. Ejointech original service is warmly and powerful.


Yan Yan

Whats'app: +86-18680091963

Skype: ejointech.v |Wechat: 598794489