YX 2G 32 SIM VOIP Gateway GSM SMPP Http API Data Analysis Voice SMS GOIP Gateway
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|
Brand Name |
YXCALL |
|
Number of Channels |
32 channels 32 SIM slots |
| Frequency |
850/900/1800/1900 Mhz |
| Module | M26: 2G full frequency (GSM) |
|
Function |
SIP Voice / STK / AT Command / TCP/IP / Data / SMS / IMEI / MMS / Email / GPRS / GPS / USSD |
| 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 is slower, but includes customs clearance and tax payment, and is delivered directly to the home. The logistics trajectory updates will only be available after the package arrives at customs clearance and is handed over to the local logistics provider. |
| Payment method | Support payment methods such as USDT, PayPal, credit card, TT, etc (Pay with USDT and there are no additional transaction fees, so 3% discount on the product price is given) 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 |

Why Choose It:
● 32 SIM Slots: Manage 32 parallel voice/SMS operations—ideal for call centers, telecom hubs, and SMS broadcasting in 2G-active regions.
● SMPP/HTTP API + Analytics: Automate workflows, track campaign ROI, and generate live reports.
● VoIP/GSM Bridge: Seamlessly link VoIP systems (SIP) to mobile networks for cost savings.
● Global GSM Support: Full-frequency M26 module supports 850/900/1800/1900MHz bands (excludes USA, Canada, Australia, Japan, South Korea).
● Enterprise Tools: IVR, call recording, LCR, and auto SIM rotation.
Advanced Telephony & SMS Engine
● SIP RFC3261 Compliance: DTMF relay (RFC2833/SIP info), call forwarding (unconditional/busy/no answer), and N-way conferencing.
● Crystal-Clear Voice: G.711, G.729, iLBC codecs with echo cancellation + VAD (Voice Activity Detection).
● Enterprise SMS Features: SMPP3.4/HTTP/API protocols for bulk messaging integrated with voice services.
Enterprise Hardware & Control
● Intelligent Call Management: LCR (Least Cost Routing), CDR (Call Detail Records), IVR customization, and white/black lists.
● Dual-Port Connectivity: 1× WAN Ethernet (RJ-45) + 1× USB console for network flexibility.
● Rugged Design: 0–50°C operating range, LED status indicators, and 100-240VAC power input.
Why Choose YXCALL?
● Unmatched Density: 32-SIM scalability for telecom operators and high-volume SMS/call services.
● Cost-Efficient: Ideal for emerging markets with active 2G networks—slash operational costs.
● 12-Month Warranty: Includes manual + 24/7 technical support.
↓ Platform admin panel page display




Crush Costs, Scale Smartly:
→ Replace 32 devices—cut hardware expenses by 85%.
→ Zero subscriptions—only pay for SIM cards.
→ Military-grade encryption (RC4, Base64) for secure operations.
Perfect For:
● Telecom carriers & SMS/data hubs
● Election campaigns or disaster alerts
● High-frequency marketing (e.g., Black Friday)
● IoT/USSD balance checks & API-driven projects
Tech Specs:
● Network: GSM (2G/3G/4G module options)
● Ports: 32 SIM slots
● Codecs: G.711, G.729, iLBC (HD voice)
● Protocols: SMPP 3.4, HTTP API, SIP, VPN
● Warranty: 12 months
How It Works:
1. Connect via Ethernet/USB.
2. Load 32 SIMs.
3. Launch via API or built-in web server
Plug & Play setup | 24/7 Monitoring | Enterprise-grade security
↓ YX Gateway main page to set Gateway display, For other uses, please refer to the instruction manual
Deploy 32X Communication Power!
Need high-volume communication? This gateway is your all-in-one solution.
Confirm 2G network availability in your region before purchase. Contact us for product images!
Whatsapp: +8615220722893
Emai: yx@yxinternet.com
Telegram: @YXwendy
Teams: yuexun@yx19999.net
↓ User Platform Interface Display of VoIP and SMS Gateway Software
↓ VoIP and SMS gateway connection demonstration
↓ Unscrew the power amplifier casing
↓ Unscrew the switch casing
About Us
YxInternet 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, YxInternet ensures every order meets high expectations.

Why Choose Us
FAQ
1.Who are we?
YxInternet 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 |
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
Q4. Does GOIP, MOIP, or SMS modem support functions such as MMS, picture SMS, voice SMS, video calls, etc?

|
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 |
