Name: YX 32 Ports 2G GSM GoIP Gateway with 256 SIM Slots, 32 SIP Channels Voice & SMS System Supporting SMPP & HTTP API
Brand: YX SHOP
Price: 2254 USD
Availability: InStock

GOIP Gateway is a multi-SIM gateway. It links mobile cellular network to VoIP systems via SIP. It supports voice calls and SMS, It works for call centers, supports VPN connection and common audio codecs to run stable voice communication.

● 32 independent ports, each control 8 SIMs – total 256 SIM slot
● 32 SIM cards work at the same time – Bulk SMS and Voice
● YX Platform software – easy to manage calls, SMS, and billing
● Supports USSD, IMEI Change, HTTP API, SMPP, VOLTE, etc
● Supports SIM card rotation helps avoid carrier blocking
● Supports call forwarding, call waiting and auto answer

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Please select the information you want X

PORTS:

GP 32-256 (SMS and Voice)
2G MODEL:

M26 (2G full frequency)
Price Tier:

1 Unit Price (Tip: Qty 1 | Purchase One)

2+ Units Price (Tip: Min Qty 2 | No Shipment below 2)
Power Adapter:

EU

CN/AU

CN

US

UK
Package appearance:

Original casing

Power amplifier casing

Switchboard casing

Quantity:

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Description
Product Details
Frequency band
Package

Brand Name	YX
Number of Channels	32 channels 256 SIM slots
Frequency	850/900/1800/1900 Mhz (Available in all countries where 2G GSM networks are still available) Attention: It is known that "Australia, South Korea, Japan, the United States, and Canada" have shut down 2G and cannot use it.
Module	M26: 2G full frequency (GSM)
Function	SIP Voice / STK / AT Command / TCP/IP / Data / SMS / VoLTE / IMEI / MMS / Email / GPRS / GPS / USSD (Please refer to the "Product Details" interface for specific information)
SIP Specification	SIP/2.0 RFC3261 Session Timer RFC4028 STUN, DTMF, RFC2833
SMS Specification	SMPP3.4, HTTP, API, EIMS
Network Protocols	DHCP, PPPoE, Static IP, VPN
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 Console(USB)
LED	1 Power and 4/8/16/32/64groups of card online and running status indicator
Power Supply	100-240VAC, 50 - 60 Hz IN, 12VDC 3A/5A/7.5A/8A Out
Operating Environment	Operating temperature: 0 - 50ºC Operating humidity: 10 – 90%RH
Warranty	12 Months
Support	With instruction manual and technical support (Also has SMS and voice services, please contact us)
Shipping method	Support DHL, UPS, FEDEX, EMS, 4PX Cainiao standard logistics and dedicated lines (some countries have dedicated lines logistics, Specific consultation with customer service) Tip: (1) Express delivery is faster than dedicated lines, but customers need to handle customs clearance and tax payment, and there will be logistics trajectory updates throughout the process. (2) Dedicated line logistics (DDP) is slower, but includes customs clearance and tax payment, and is delivered directly to the home. Suitable for customers who do not want to handle customs clearance.
Payment method	Support payment methods such as USDT, PayPal, credit card, Bank transfer, etc (Bank transfer only for company payments) Please consult customer service for USDT address,Other payment methods can be redirected to the checkout page for online payment
Ordering Process	Payment for the product you need to order, we will arrange for stock testing after confirming the accuracy of the delivery information with you. We expect to arrange shipment within 2 days and provide you with package picture and logistics tracking number for tracking. Customer service will send message to remind you of tax payment and logistics delivery. If you need technical support after receiving the goods, please leave a message to our customer service personnel, and we will arrange for a technician to assist
Tip	Use power amplifier or switchboard as the appearance will make customs clearance easier and reduce tariffs
Customer service contact information	Whatsapp: +8615220722893 Emai: yx@yxinternet.com Telegram: @YXwendy Teams: yuexun@yx19999.net

YX 2G VoIP Gateway 32 Ports 256 SIM Slots for Bulk SMS/Call Solutions

High-Capacity 2G GSM Gateway
32 Port VoIP SIM Bank
Bulk SMS & Voice Call System
Multi-SIM Auto-Switch Modem
SMPP/HTTP Integrated Gateway
Enterprise Communication Solution
SIM Card Cluster Management
GSM Gateway with SIP Compliance

YX GSM VOIP Gateway 32 channels 256 SIM slots Goip gateway
Product Highlights

✔ Unmatched Scalability

32 Active Ports with 256 SIM Slots (8 slots/port)
Supports 500-800 SMS/Hour per Port (Total 16,000-25,600 SMS/Hour)
Auto-SIM Switching: Failover & Load Balancing

✔ Enterprise-Grade Communication

Dual Function: Voice Calls (SIP/VoIP) + Bulk SMS
Global 2G Bands: 850/900/1800/1900MHz
MMS/Email/USSD/GPRS/GPS Support

✔ Professional Features

Advanced Telephony: LCR, CDR, IVR, 3-Way Conferencing
Voice Codecs: G.729, G.711, iLBC, G.723.1
Security: VPN, PPTP, STUN, Base64 Encryption

↓ Platform admin panel page display
voip gateway panel Port Status voip gateway panel network setting voip gateway panel SMS setting voip gateway panel Codec setting
voip gateway panel SIP Setting

Package Includes

YX 2G VoIP Gateway Unit
12V/5A Power Adapter
Quick Start Guide (EN)
1-Year Warranty + 24/7 Technical Support

Ideal for: Telecom Operators | Call Centers | SMS Marketing | IoT Solutions | Enterprise Communication

How It Works:
1. Connect via Ethernet/USB.
2. Load 32 SIMs.
3. Launch via API or built-in web server
Plug-and-play setup | reliability | Enterprise-grade security
Act Now & Transform Your Workflow!

↓ YX Gateway main page to set Gateway display, For other uses, please refer to the instruction manual

Need Assistance? Contact customer service (9:00 AM - 6:00 PM GMT+8) for product images or queries!
Need high-volume communication? This gateway is your all-in-one solution.
Whatsapp: +8615220722893
Emai: yx@yxinternet.com
Telegram: @YXwendy
Teams: yuexun@yx19999.net

↓ VoIP and SMS gateway connection demonstration

↓ Unscrew the power amplifier casing

↓ Unscrew the switch casing

About Us

YX International is a professional supplier specializing in consumer electronics, smart devices, and lifestyle products. With years of experience in global trade and a strong supply chain network, we provide businesses and end-users with reliable products at factory-direct prices.

Our mission is to bridge quality manufacturing with global buyers, making cross-border sourcing easier, faster, and more transparent. From product selection to quality control, and from fast delivery to after-sales support, YX International ensures every order meets high expectations.

Why Choose Us

Extensive Product Range：From smart electronics to innovative gadgets, we cover a wide range of categories to meet various market demands.
Direct-from-Manufacturer Pricing：We work directly with reliable factories, ensuring competitive wholesale prices with no hidden costs.
Strict Quality Control：Every product goes through multi-level quality checks, from factory audits to pre-shipment inspections, guaranteeing what you receive matches your expectations.
Efficient Logistics Network：With global shipping partnerships, we offer fast and trackable delivery to over 100 countries, keeping your orders on time.
Dedicated Customer Service：Our professional team is ready to support you before, during, and after your purchase, ensuring your sourcing experience is smooth and hassle-free.

FAQ

1.Who are we?

YX International is a trusted supplier offering consumer electronics, smart devices, connecting global buyers directly with high-quality factories.

2.How can we guarantee quality?

Factory audits to verify production capabilities

Product sampling and testing

Pre-shipment quality checks to confirm product specifications

3.What can you buy from us?

We offer a wide range of products, including:

SMS Modem

SMS Dongle

Voip gateway

SMS gateway
eSIM Gateway
IP Phone
Modules/Accessories

Customized products for bulk orders

4.Why should you buy from us instead of other suppliers?

Direct factory pricing with no middleman markup

Comprehensive quality control from production to delivery

Flexible order solutions for both retail and wholesale

Fast global shipping and reliable logistics

Dedicated after-sales support to resolve any issues

5.What services can we provide?

Product sourcing and customization

OEM and private label support

Product quality inspections

Global shipping coordination

After-sales support and warranty services

1、Overview
VoIP GSM gateway (GoIP gateway) is a device that can reduce the cost of calling mobile networks from fixed telephone lines. It can route directly between IP, digital, analog, and mobile networks. GoIP gateways are increasingly being used by telephone operators to connect IP calls to mobile networks. In areas where fixed line services are unavailable or much more expensive than mobile costs, GoIP gateways are an irreplaceable alternative.

The following figure shows a basic topology of GP Gateway usage.

2、Product Brief
YX series GP Gateway is a multi-functional and high performance product, which is designed with advanced embedded technology. YX series is able to process traditional voice call service and internet data service. perfectly support G729a/b/e、G723.1、G.711 a/u law and iLBC codecs at the same time.
YX series GP Gateway please check the following table about the difference:

Model Number	Channel	Sim capacity in each channel	Total sim capacity	Frequency(optional)
YX GOIP 4-4	4	1	4	GSM / CDMA / WCDMA / 4G(LTE)
YX GOIP 8-8	8	1	8	GSM / CDMA / WCDMA / 4G(LTE)
YX GOIP 8-32	8	4	32	GSM / CDMA / WCDMA / 4G(LTE)
YX GOIP 16-16	16	1	16	GSM / CDMA / WCDMA / 4G(LTE)
YX GOIP 16-64	16	4	64	GSM / CDMA / WCDMA / 4G(LTE)
YX GOIP 16-128	16	8	128	GSM / CDMA / WCDMA / 4G(LTE)
YX GOIP 16-256	16	16	256	GSM / CDMA / WCDMA / 4G(LTE)
YX GOIP 16-512	16	32	512	GSM / CDMA / WCDMA / 4G(LTE)
YX GOIP 32-32	32	1	32	GSM / CDMA / WCDMA / 4G(LTE)
YX GOIP 32-64	32	2(1 Big+1 Small)	64	GSM / CDMA / WCDMA / 4G(LTE)
YX GOIP 32-128	32	4	128	GSM / CDMA / WCDMA / 4G(LTE)
YX GOIP 32-256	32	8	256	GSM / CDMA / WCDMA / 4G(LTE)
YX GOIP 32-512	32	16	512	GSM / CDMA / WCDMA / 4G(LTE)
YX GOIP 64-64	64	1	64	Currently unavailable, development in progress
YX GOIP 64-256	64	4	256
YX GOIP 64-512	64	8	512

3、Appearance

● 4/8/16/32 Antennas
● 1 USB Serial Port (Baudrate 115200)
● 1 Network Interface (RJ45)
● 1 Power Interface (DC 12V 3A/5A/7.5A/8A)
● 1 Power light
● 1 Reset Button
● 4/8/16/32/64/128/256/512 SIM card slots
● 4/8/16/32/64/128/256/512 LED lights

4、Special Features

● Support G729a/b/e,G723.1,G.711 A/U law, iLBC auto-selecting

● BO(Bandwidth Optimization)

● Proxy Encryption Solution for IP Block

● Support SIM Bank

● VPN(pptp)

● SIM Card Rotating

◆ SIM card check and switch rules:

◇ 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

◇ Consecutive Fast-Alerting Calls Checking

◇ Consecutive Fast-Answer Calls CheckingGSM/CDMA/WCDMA/4G(LTE) VoIP/SMS Gateway

◇ Consecutive GSM Release Cause Checking

◇ Accumulated SMS Count Checking

◇ Accumulated Failed SMS Count Checking

◇ Consecutive Failed SMS Count Checking

● Station intelligent switching(By switching rules)

● ERMS(Easement Remote Management System)

● Port Inter-Calling

● Fake Ring back

● FAS shield

● Call waiting

● Call Duration Limitation for SIM Card/Single

● Dial Plan/Prefix Inward Translation/Intelligent Routing

● Web Browser: Firefox/Chrome /IE/Opera

5、Specification

Number of Channels	4 channels 4 SIM slots 8 channels 8/32 SIM slots 16 channels 16/64/128/256/512 SIM slots 32 channels 32/128/256/512 SIM slots
Frequency	GSM, CDMA, WCDMA, LTE(When purchasing 3G or 4G equipment, please confirm the frequency band and module with the account manager!)
SIP Specification	IP/2.0 RFC3261 Session Timer RFC4028 STUNS
SMS Specification	SMPP3.4
Network Protocols	DHCP/PPPoE/VPN(pptp) NTP Telnet/HTTP/FTP/TFTP Encryption:Security,VOS2000,RC4,XOP.Base64
Telephony Features	Hot-line Send SMS ,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 Console(USB)
LED	1 Power and 4/8/16/32/64groups of card online and running status indicator
Power Supply	100-240VAC, 50 - 60 Hz IN, 12VDC 3A/5A/7.5A/8A Out
Operating Environment	Operating temperature: 0 - 50ºC Operating humidity: 10 – 90%RH
Warranty	12 Months

6、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)

7、Maintenance and Management

● Multi-language Interface

● USB Serial COM

● Configuration Backup and Restore

● Support HTTP/TFTP Upgrade

● Call statistics: ASR,ACD,PDD

● WEB Remote Management System

● SMPP support

● HTTP Command

▼The following pictures are demo of the platform's interface setup and operation

8、FAQ

Q1. Does GOIP or MOIP support custom calling number/sender ID when making phone calls or sending text messages?

A：The device uses a SIM card, which naturally displays the SIM card number when making calls or sending text messages. This is determined by the SIM card itself and the SIM card operator, and generally does not support custom calling numbers/sender IDs. In VOIP and network SMS services, only the operator's routing (CLI and direct connection) may be supported!

Q2. Does GOIP or MOIP support detecting surrounding mobile phone information, listening to surrounding calls, tracking/tracing mobile phones/calls/SMS, IMSI Catcher and other detection functions?

A：This type of feature has no connection with our product and is not supported!

Q3. Does GOIP or MOIP support wifi or multi wifi functions to provide data internet access and other functions?

A：The functions related to wifi/data internet are not related to any of our devices and are not supported!

Q4. Does GOIP, MOIP, or SMS modem support functions such as MMS, picture SMS, voice SMS, video calls, etc?

A：SMS modems can support MMS (customers need to have their own software support, we do not provide MMS software), and the latest version of YX GOIP/MOIP can also support sending MMS. Other products do not support it

Q5.Does GOIP support the function of hiding the caller when making phone calls?

A：The device has a setting function to hide the caller, but it requires the SIM operator to support this function at the same time.

Q6. Does GOIP and modem have API?

A：The GOIP/MOIP of YX series has HTTP APIs for sending/receiving SMS and USSD, and supports customer developed software to call through HTTP; DBL's GOIP does not have an API that can be directly used, but if the client has their own server, after installing a GOIP SMS sending server software, they can use the SMS HTTP API; The modem does not have an API.

Q7. What devices can make voice group calls?

A：SMS modems do not support direct audio access and cannot play voice after calling out. GOIP can support it, but GOIP cannot automatically call out and requires the call center to provide functions for calling out and playing voice

Q8. Is there a device that supports receiving and forwarding SMS messages?

A：SMS modems can receive text messages, but they do not support forwarding. Additionally, the software we provide does not support checking which port received the messages

YX GOIP/MOIP can receive information and forward it to email/HTTP address/SIP server/other phone numbers or HTTP API directly from the device (Commonly used methods include email or HTTP API retrieval)

Q9. Can the device support international roaming? What should be noted?

A：1. The SIM card needs to be able to roam to the target country. 2. It is necessary to understand the frequency band of the target country, and the device needs to be matched with the frequency band of the target country (if there are too many frequency bands in the target country, it can also be determined which operator in the target country can provide roaming signals for the SIM card, and the device needs to match the frequency band of the operator that provides roaming signals)

Q10. What is the SMS sending speed for MOIP/GOIP?

A：GOIP/MOIP(2G/3G/4G): 720 per port per hour (the above standard testing environment may vary depending on the device environment)

Q11. Does SIMBank support connecting to devices other than GOIP and MOIP, do they have APIs, and can different brands of SIMBANK and GOIP be used?

A：SIMBank does not support connecting to devices other than GOIP and MOIP, there is no API, and different brands of SIMBANK and GOIP cannot be used

Q12. How can SIMBANK connect to GOIP/MOIP and card the device?

A：SIMBANK generally requires the use of the software SIM Server installed on the server to manage, connect, and allocate cards, in order to achieve remote card access. If there is no server, one needs to be rented, and the system requires CentOS 5. X or 6. X

Q13. What are the ways to send/receive SMS for YX series GOIP/MOIP and DBL?
A: (1) Login to the device page to send/receive directly;
(2) Directly connect to the SMS platform (only support EIMS/IMFS) to send/receive;
(3) use HTTP API to send/receive directly (customers may need their own software/platform support);
(4) if the customer has a public IP, the customer can set the public IP to GOIP, and then send SMS after docking with SMPP SMS platform;
DBL's no API can only use the page to send or use the server supporting SMS sending software to send.

Q14. Can GOIP or MOIP use the data traffic inside the SIM card to give users access to the Internet?
A: No, we don't have this kind of equipment.

Q15. Difference between YX GOIP and DBL GOIP in terms of sending and receiving SMS.
A: DBL can only send and receive SMS in the device (SIM reason, the maximum number of messages received is 50), or the customer has its own server to install information management software (can send and receive, unlimited number of SMS).
YX can send and receive SMS in the device (SIM reasons to receive information up to 50) or you can use our free ETMS management software (can be received, but sent to need to use another EIMS2, unlimited number of SMS), if the customer has the ability, the device also has a HTTP API can be accessed to their own development of the program (support for sending and receiving)

Q16. Can GOIP/modem be used in XX countries (or a certain operator)?
A: The product has nothing to do with the use in which country or which operator, as long as the frequency band of the device can match the local (or the operator to be used), it can be used!

The linked product is a 2G Modem，At present, some countries or regions have closed 2G GSM. Before purchasing, please confirm that still using GSM in your region, otherwise you will not be able to use it.

The countries that have confirmed the cessation of GSM include:Australia, South Korea, Japan, United States, Canada (unable to use)Please contact customer service to recommend 3G or 4G products for you （For example，4G module:EC25）

Product Feature
Name	2G GSM Wireless Modem
communication interface	USB
Chipset	Quectel M26/M35: 2G full frequency (GSM)
Function	SIP Voice / STK / AT Command / TCP/IP / Data / SMS / IMEI / MMS / Email / GPRS / GPS / USSD
Frequency	GSM Full frequency: 850,900,1800,1900Mhz (Applicable to global GSM frequency bands) Attention: It is known that "Australia, South Korea, Japan, the United States, and Canada" have shut down 2G and cannot use it
Operating System	Win all, Linux, android
Working voltage	AC 100-240V / DC 12V
Warranty	One Year