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call termination 32 port voip gateway,voip gsm gateway 32 channel 128 sim,goip 32 sms gateway

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Quick Details

Place of Origin: Guangdong China
ACD&ASR: detect from interface
Color: Black
channel: 32
Voip server: Voip server
sim slot: 128
Model Number: acom 532-128 gsm
MOQ: 1
Brand Name: Ejointech
Type: VoIP Gateway
Product name: 32 port voip gateway,voip gsm gateway 32 channel 128 sim,goip 32
web remote login: support
SMS: support
4G sim: support
Packaging Detail: Blank carton package/call termination 32 port voip gateway,voip gsm gateway 32 channel 128 sim,goip 32 sms gateway
Selling Units: Single item
Single package size: 53X32.5X9 cm
Single gross weight: 6.0 KG
Package Preview: https://sc04.alicdn.com/kf/He586147344ac4395bf51381ca18bd55dB.png_640x640.png
Shenzhen Ejoin Technology Co., Ltd.
Gold Supplier
Response Time
On-time delivery rate
US$ 180,000+
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Product Description

call termination 32 port voip gateway,voip gsm gateway 32 channel 128 sim,goip 32 sms gateway

Ejointech----The Leading VOIP Company In China

Main Features Of Voip Goip Gsm Gateway :

32 ports 128 slots goip 's new functions:
1. Support IMEI change automatic and support USSD
2. Support automatically detect the ACD ASR
3. Support automatically detect the sim card issue
4. Save your internet bandwidth ,15kb/s for 1 call
5. Including the sim bank feature of avoiding the sim card blocked

Pls check the all models and let me know which model you want,will give you our best offer!

ACOM 8-8

8 port 8 sim

ACOM 8-32

8 port 32 sim

ACOM 16-16

16 port 16 sim

ACOM 16-256

16 port 256 sim

ACOM 32-32

32 port 32 sim

ACOM 32-512

32 port 512 sim

1) Support 8/16/32 Channels, Up to 512 sim for auto sim switch to work based on different conditions.
2) 2G/3G/4G models all available.
3) Support work with Call Center Software, IPPBX, 3CX,Elastic,Asterisk, Vos,VPS, Freeswitch, Softswitch Cicso etc.
4) IMEI Change and Human Behavour feature for Anti-Sim Blockage
5) Offer Free Software and Firmware Version upgrade online
6) Free lifetime Tech Support  

Special Features
•Support G729a/b/e,G723.1,G.711 A/U law, iLBC auto-selecting
•Solution to solve the SIM card blocked 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
•ERMS(Ejoin Remote Management System)
•Port Inter-Calling
•Fake Ringback
•Call Duration Limitation for SIM Card/Single
•Dial Plan/Prefix Inward Translation/Intelligent Routing
•Web Browser: Firefox/Chrome /IE/Opera
Mobile Features
•SMS Send, Receive and Forward(GSM/SIP/HTTP)
•SMS Inbox
•AT Command , USSD
•SMS Format: PDU/TXT
•PIN Code Management
•CDMA Delay Answer
•GSM Polarity Reversal
•Carrier Selection
•Caller ID Hidden(need SIM Card support)

Maintenance and Management
•Multi-language Interface
• USB Serial COM
•Configuration Backup and Restore
• Support HTTP/TFTP Upgrade
• Call statistics: ASR,ACD,PDD
•Ejoin Remote Management System

ETMS: For central management of all your ejoin gateways in one page, with auto-recharge system embedded in

For bulk sending receive SMS

For SMS termination /Billing, Routing, Support create unlimited administrative users and can surely limit the different access levels by managing the roles allotted to the admin users

For manage gateway and simpool, and set your own SIM assignation strategy
Detailed Images
Product Name
call termination 32 port voip gateway,voip gsm gateway 32 channel 128 sim,goip 32 sms gateway
ACOM 532G-128
Number of Channels
2G/3G/4G models are separate and optional,the price here is 2G!
2G GSM:850/900/1800/1900 MHZ
3G WCDMA: 850/900/1800/1900/2100 MHZ
4G: FDD-LTE/TDD-LTE(4G Frequency difference frequencies for different areas,contact Skype:ejointech.m for confirm) 
Network Protocols
SIP Specification
SIP/2.0 RFC3261
Session Timer RFC4028
Telephony Features
Hot-line call ,Dial plan, Speed dial, Phone book, CDR, LCR, White/Black list
Telephony Signaling
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
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 LAN 10/100Base-T ethernet(RJ-45 connector)
1 Console(USB)
1 Power and 8 groups of card online and running status indicator
Power Supply
100-240VAC, 50 - 60 Hz IN, 12V/5A OUT
Operating Environment
Operating temperature: 0 - 50ºC
Operating humidity: 10 – 90%RH
12 Months

we have demo device on line,if you need, please contact skype:ejointech.m,she can arrange you to log in it to check the feature

Packing & Delivery

We will check every ports for you before we send out!!


Device will be send out within 1-2 business days.
Delivery Time:
Via EMS: Generally 7-12 working days.
Via Other:Generally 3-5 working days.
Buyer responses for (in case) all tex or VAT by the customs of buyer's country.We will do our best to minimum the risk.

Our Service


1.We will check every port for you before we send it out.
2.All the device have one year guarantee.
3.Our engineers provide free support forever.
4.If there anything problem during you setup the device,please contact us as soon as possible.We will guide you untill the device runs well.We will also try our best to serve you better.


1.Western Union
Buyers only pay for the price of device,we will receive your money immediatly.
2.TT bank tranfer
buyers pay for price of device and transfer fee,we will receive your money 1-3 working days.
3.place order on Alibaba directly

Our Company

Shenzhen Ejoin Technology Co.,Ltd is a professional developer and manufacture specialized in VoIP hardware and VoIP solution for more than 15 years. We provide high quality 2G/3G/4G VoIP gateway, SMS modem, Analog gateway , Media gateway, 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 gateway 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!


1.What is main funtion of gsm voip gateway?
For call terminal

2.What is the software can be supported by GoIP?
VOS,VPS,VoIP switch,3CX,P·B·Xes,free PBX,MOR

3. What is the hardware can be supported by GoIP?
IPPBX and Factory Voip Device

4. What is the bandwidth requested by GoIP?
It is up to your voice code.G723 need 23kbps per channel,G729 need 34kbps,
G711 need 90 kbps

5.What is the communication network can be supported by GoIP?
GSM network

6. How about our service?
We have professional engineers to help you about all your tech problems anytime,the satisfaction of our customers is our greatest desire.

7,What is our main express shipment?
ARAMEX,PK/BD special express,DHL,UPS,FEDEX,TNT,EMS(can ship to anywhere all over the world)

Welcome contact Us for more detail!

Skype: ejointech.m
Whatsapp/Wechat/Mobile:+86 13632681106