YX 32 Ports 2G/4G LTE VoIP GSM Gateway for 32/128/256/512 Sim Support Bulk SMS and Voice Call GOIP Gateway

What It Solves: Key Pain Points Eliminated

• Eliminates delivery delays: 32 independent channels enable 32-way simultaneous bulk sms sending/receiving, outperforming standard 8/16-port gateways and cutting delivery time.
• Reduces SIM block risks: Intelligent auto-rotation and anti-block rules minimize operator restrictions, keeping your sms blast service and marketing campaigns uninterrupted.
• Cuts communication costs: VoIP-to-mobile network routing reduces cross-border call expenses. traditional carriers, making it the most cost-effective cheap sms gateway alternative.
• Solves integration headaches: Multi-protocol support (SMPP3.4, HTTP API, SIP) eliminates compatibility issues, seamlessly connecting with your CRM, IoT platform, or custom software.
• Ensures global connectivity: Region-optimized 2G/4G modules (M26/EC25/EG25) work in 100+ countries, solving network mismatch issues for international businesses.

Upgrade your communication system today with the YX 4G LTE GOIP Gateway. Whether you're handling call routing, bulk messaging, or both—this is your trusted sms gateway provider. Don’t wait—buy now and take full control of your voice and SMS workflow.
  

Scalable SIM Configuration for Enterprise-Level Needs

• GP 32 Port 32 SIM: 1 dedicated SIM per channel, 32 total SIM slots for stable, low-latency dedicated-channel communication
• GP 32 Port 128 SIM: 4 SIM cards per channel, 128 total SIM slots for growing high-volume SMS/voice operations
• GP 32 Port 256 SIM: 8 SIM cards per channel, 256 total SIM slots for enterprise-level concurrent communication
• GP 32 Port 512 SIM: 16 SIM cards per channel, 512 total SIM slots for large-scale, mission-critical bulk SMS and call termination

Core Functions: Powering Your Communication Success

1. High-Concurrency Bulk SMS Management

• Send 10,000+ bulk sms per hour with scheduled sending, two-way forwarding (Email to SMS, SMS to HTTP), and spam filtering—perfect for sms blast service, marketing campaigns, and OTP notifications.
• Support SMPP3.4, HTTP GET/POST, and EIMS protocols, enabling seamless integration with your existing systems for automated bulk sms sender workflows.
• Manage SMS limits, black/white lists, and real-time status tracking to ensure compliance with local operator regulations and maximize deliverability.

2. Stable VoIP & Voice Call Routing

• Seamlessly route voice traffic between IP and mobile networks, supporting G729a/b/e, G.711 A/U law, and iLBC codecs for high-fidelity calls.
• Built-in echo cancellation, adaptive jitter buffer, and silence suppression (VAD/CNG) ensure clear communication even in unstable network environments.
• Rich telephony features: Call forwarding (unconditional/no-answer/busy), N-way conferencing, caller ID customization, and LCR (Least Cost Routing) to optimize call costs.

3. Intelligent SIM & Device Management

• Flexible SIM configuration: 4 models to choose from (32/128/256/512 SIM slots), with 32 concurrent channels ensuring no performance degradation during peak usage.
• Auto SIM rotation: Triggered by call duration, SMS count, or failure—automatically switch SIMs and lock abnormal cards, eliminating manual intervention.
• Advanced IMEI management: Customize fixed/dynamic IMEI settings to meet regional compliance requirements, reducing block risks.
• Web-based remote management: Multi-language interface, one-click configuration backup/restore, and real-time status monitoring—manage your gateway from anywhere.

4. Global Network Compatibility

• 2G version: M26 full-frequency module (850/900/1800/1900MHz) works in all regions with active 2G networks (excluding Australia, South Korea, Japan, US, Canada).
• 4G version: Quectel EC25 industrial-grade modules with region-specific variants (EUX/AFX/AUX/J) for Asia, Europe, Americas, Australia, and Japan—ensures perfect alignment with local LTE FDD/TDD, WCDMA, and GSM bands.
• VPN support (PPTP/OpenVPN): Prevents IP blocks, optimizes bandwidth, and enables secure remote management for global teams.

Key Advantages: Why Choose Our 32-Port GOIP Gateway?

1. Unmatched Scalability: 32 concurrent channels outperform standard gateways, supporting large-scale bulk sms service and high-volume voice operations for enterprises and resellers.
2. Uptime Guarantee: Industrial-grade hardware (0-50℃ operating range, surge protection) and auto-reboot on network failure ensure 24/7 reliable operation for mission-critical tasks.
3. Anti-Block Intelligence: Smart SIM rotation, port inter-calling, and IMEI customization drastically reduce operator block rates—your sms blast campaigns run without interruptions.
4. Cost-Effective Solution: VoIP routing cuts communication costs, while SIM pool management reduces hardware and operational expenses—far more affordable than mainstream sms gateway providers.
5. Easy to Deploy & Use: No complex technical expertise required; pre-configured templates, detailed user manuals, and 24/7 technical support ensure quick setup and maintenance.
6. Trusted Vendor Support: 12-month manufacturer warranty, professional after-sales service, and global logistics (DHL/UPS/FEDEX/4PX/Dedicated lines) make us your reliable sms gateway vendor.

↓ Platform admin panel page display

you can see that the "eSIM" text in the upper right corner turns green, indicating that the eSIM function of the device has been enabled.

What It Can Be Used For: Versatile Applications Across Industries

1. Marketing & Communication

• Launch large-scale sms blast campaigns for retail promotions, event notifications, and customer engagement with high deliverability.
• Automate order updates, appointment reminders, and payment alerts for e-commerce, healthcare, and hospitality businesses.
• Power message blaster online services for marketing agencies and SMS resellers, expanding your service offerings with minimal investment.

2. IoT & Device Communication

• Enable remote monitoring and sensor alerts for IoT devices (agriculture, logistics, smart cities) via bulk sms api integration, ensuring real-time data transmission.
• Facilitate machine-to-machine (M2M) communication for IoT gateways, smart meters, and tracking devices, leveraging multi-SIM redundancy for uninterrupted connectivity.

3. Telecom & Call Center Operations

• Provide cost-effective voice over ip phone system services for call centers and remote teams, reducing long-distance call expenses while maintaining call quality.
• Support telecom resellers and MVNOs in managing multi-SIM pools, offering customized SMS/voice services to regional clients.

4. Enterprise & Global Business

• Streamline cross-border communication for global enterprises, solving network compatibility issues with region-optimized modules.
• Power customer support lines and emergency notification systems for financial institutions, ensuring reliable OTP and transaction alerts.

Why We’re the Top Choice for Best Bulk SMS Provider

• Custom configuration support for unique business needs (e.g., regional frequency bands, API integration).
• Flexible logistics options (express delivery/dedicated lines) with door-to-door delivery and tax-included service.
• Dedicated customer success teams to guide setup, optimization, and long-term usage.

↓ 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

• 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?

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:

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

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

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8、FAQ

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