YX GoIP 4G LTE 16 Ports 256 SIM VoIP Voice Gateway for Call and SMS

YX 4G LTE GoIP Gateway — 16 ports × 16 SIM slots = 256 SIM capacity!
● 16 SIMs active simultaneously 
● Auto/manual switching
● High-volume calls & SMS via SIP/2.0 & SMPP 3.4. Slash costs for telecom operators, call centers, and SMS campaigns!
● perfect for high-volume SMS campaigns and VoIP call routing with carrier-grade reliability.

Scalable Capacity & Control:

• 16 Active Ports × 16 SIMs/Port: Operate 16 SIMs simultaneously with manual/auto switching across 256 total slots—ideal for balanced load distribution.

• True Quad-Network Support: GSM/CDMA/WCDMA/LTE compatibility (confirm bands via manager).

• Dual-Module Flexibility: EC20/EC25/EG91/EG25 modules for global deployment.

Advanced Communication Suite:

• Dual-Mode Operation: SIP VoIP calls + SMPP v3.4/HTTP/API SMS integration.

• Intelligent Call Management: Dial plans, LCR, CDR, white/black lists, 3-way call forwarding (busy/no answer/unconditional).

• HD Voice Quality: G.711, G.729, iLBC codecs with echo cancellation + VAD/CNG.

 Enterprise-Grade Connectivity:

• Multi-Protocol Ready: Static IP, PPPoE, DHCP, VPN.

• Dual Port Design: 10/100 Mbps WAN + USB console for diagnostics.

• Real-Time Monitoring: 64-group LED indicators for SIM/port status.

Industrial Resilience:

• Extended Operation: 0°C–50°C temperature range, 10–90% humidity tolerance.

• Cross-Platform Support: Windows/Linux/Android OS compatibility.

• Stable Power: 100–240V AC input with 12V DC 8A max output.
  
  ↓ Platform admin panel page display
  
  
  

Technical Specs:

• Ports: 1x WAN (RJ-45), 1x Console (USB).

• Power: 100-240V AC input, 12VDC output (3A/5A/7.5A/8A).

• Protocols: SIP/2.0, SMPP 3.4, HTTP/FTP/TFTP, STUN.

Perfect For:

• Telecom operators managing high-volume call/SMS traffic.

• Call centers requiring SIP/PBX integration.

• Enterprises running IoT, OTP, or SMS marketing campaigns.

Deploy Globally, Risk-Free:

• Free worldwide shipping

• 12-month warranty + 24/7 technical support
  Pro Tip: Verify local 4G bands with our managers to ensure compatibility!

Why Choose YX GoIP Pro?

• Cost Efficiency: Reduce per-call/SMS costs by 60%+ with bulk routing.

• Scalability: Manage 16 active SIMs or rotate 256 SIMs for large-scale operations.

• Future-Proof: Supports 4G LTE for low-latency voice/data in modern networks.

High-Density SIM Bank, Multi-SIM VoIP Gateway, Bulk Call Routing, 4G LTE Modem, Enterprise SIP Compliance, Scalable Telecom Solution.

How It Works:
1. Plug in Ethernet & power.
2. Load SIMs.
3. Launch Calls/SMS via API!

Plug & Play | Technical Support | 1-year warranty

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

Upgrade your telecom infrastructure today with YX GoIP—cut costs and boost efficiency with 256 SIMs in one device!
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

↓ 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?