4G VoIP Gateway 32 Ports 256 Sims SIP Control for Voice Calling
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Product Highlights
- High Capacity SIM Support: Supports up to 256 SIM cards with 32 ports for extensive connectivity.
- 4G & GSM Dual Network: Features built-in 4G module and GSM support for flexible network options.
- Advanced Call Optimization: Includes SBO, BTS rotation, and human behavior functions to prevent blocking.
- Comprehensive Web Management: User-friendly HTTP web interface for configuration, upgrade, and CDR management.
- Multi-Codec Voice Support: Supports G.711, G.723.1, G.726, and G.729AB for high-quality voice calls.
- SMS & USSD Functionality: Enables sending, receiving, and balance inquiry via SMS and USSD protocols.
- Flexible SIM Rotation: Automatically rotates SIMs based on call duration, idle time, or failure rates.
- Built-in WiFi Router: Integrated WiFi allows direct connection to modems for enhanced mobility.
Product Attributes
- Customization
- Available
- Type
- Gateway
- Color
- Black
- Model NO.
- 4G VOIP Gateway 32 ports 256 sims
- Warranty
- 1 Year
- Model Name
- VoIP Gateway
- Network
- 4G / GSM Support
- Port Number
- 32
- SIM Card Slots
- 256
- Firmware Update
- HTTP/TFTP
- Ussd
- Support
- Human Behaviour
- Support
- Calling Type
- Terminate/Originate Calls
- Switch Bandwidth Optimization(Sbo)
- Support
- Dtmf & Tts & Ivr
- Support
- Transport Package
- Carton Box
- Specification
- 4G VOIP Gateway 32 ports 256 sims
- Trademark
- OEM/Etross
- Origin
- Shenzhen, China
- HS Code
- 8517623400
- Production Capacity
- 500000 PCS/Year
- Package Size
- 55.00cm * 35.00cm * 18.00cm
- Package Gross Weight
- 10.000kg
- Lead Time
-
7 days (1 - 1 Pieces)
To be negotiated ( > 1 Pieces)
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of 4G VoIP Gateway 32 Ports 256 Sims SIP Control for Voice Calling
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Product Description
------Please consult for more details
Available models: GSM 8 ports 64 sims , 16 ports 128 sims, 32 ports 256 sims, 32 ports 516sims;
1 Main features:
Support 4G 32 ports, up to 8 concurrent calls (1 Ports 32 4G SIM card ,total 256 SIM cards)
Support GSM: Quad-band 850/900/1800/1900Mhz
CDMA: 450/ 800/ 1900Mhz optional
3G/UMTS: 850/900/2100Mhz optional
Support Multi SIM card rotation to avoid SIM block
Support Human behavior function
Support SBO (Switch Bandwidth Optimization)
Support BTS rotation and lock
Support encryption for VOS for anti-block of IP port
Support SMS Sending / batch SMS Sending / receiving
Support USSD balance inquiry
Auto activation SIM card and recharge
Support IMEI change , auto IMEI change and generation
Automatically lock/open SIM card/ port according to its balance or alarm
Support Codec: G.711a/u law, G.723.1, G726,G.729AB
Support bandwidth optimization (optional)
Built-in WiFi router, can directly connect to Modem
Built-in 4G module (optional), can use through 4G network if 4G module inserted
If with 4G module and mobile battery /power supply, then it can do call termination with mobility
Sys log output by USB interface for tracking records
User friendly web management interface
HTTP Web support for configuration and upgrade
SIM swapping
HTTP Web support ASR, ACD, PDD, SIM balance inquiry
Convert the number as preset rules /Number translation
Call routing / digit map
CDR management
IVR customized
BCCH management
SIM card rotation conditions:
1) According to accumulated call duration check (talk time)
2) According to accumulated idle&talking check(use time)
3) According to accumulated calls check (call counter)
4) According to consecutive call failure check(call failure)
5) According to consecutive low-duration calls check (Low duration)
Human behavior conditions:
1) According to accumulated call duration check (talk time)
2) According to accumulated idle&talking check(use time)
3) According to accumulated calls check (call counter)



3 Specifications:
Interfaces
Mobile Ports: 16 ports GSM/CDMA channels
Two(2) 10/100Mbps Ethernet Interface (2xRJ45)
USB: 1 port
SIM Card interface: 64 pieces + 4G SIM card 1 piece (Optional)
4G interface: 1 channel
Wifi port: 1
Voice Processing
Voice Codec: G.711a/u law, G.723.1, G726,G.729AB
QoS: Diff Serve, T oS, VAD, PLC, CNG
Call Features
Calling Type: Terminate/Originate calls
IVR Voice Prompt: Two stage dialing, Customized IVR
Call handling: One stage dialing, Configurable dial plan, digit map
DTMF: RFC2833, SIP
Mobile Features
General Feature: SMS, USSD, IMEI/PIN modify, Call minutes
restriction, Carrier select, BCCH, Reversal Polarity Network
Network Mode: NAT router or switch mode
Network Protocols: IP,TCP, UDP,TFTP, FTP, RTP, RTCP, ARP, RARP,ICMP Ping, NTP, SNTP, HTTP, DNS, PPPoE, DHCP
NAT traversal: Static NAT, STUN
Protocol
Protocol: SIP V2.0 RFC3261
SIP Characteristics: By port/device registration, Two183 mode
Configuration Management
Management: TFTP, HTTP, Sys log, CDR
Web GUI: Configuration, firmware upgrade, call status, CDR ,Configuration backup/restore
Hardware Specifications
Power Supply:AC100~240V 50/60HZ DC12V/2A External
Temperature: 0~40 ºC(Operation), -20~80 ºC(storage)
Humidity: 5%~90% RH,
Power Consumption: 24W
Product Appearance: steel cabinet
Product Dimensions: 37(W) x 17.2(D) x 6.5 (H) cm

GSM 32 Ports 512 Sims
|
4G 32 Ports 256 Sims
|
Packing List
|
Name |
Quantity (Piece) |
|
VOIP Gateway |
1 |
|
Antenna |
rubber stick antenna or 3M magnetic attraction antenna |
|
USB Cable |
1 |
|
Network Cable |
1 |
Shenzhen Etross Telecom Co.,Ltd
Etross founded in 2006, we have been committed to wireless products and offer one-stop solution (Fixed wireless terminal, Fixed wireless phone, CPE Router etc.)
At present, we have a complete set of communication and electronic assembly line and outbound service. Processing and collaboration factory. There are R & D centers, first-class engineers, and continuous promotion of new and high technology products.
More than 21 years' experience in selling and exporting to over 70 countries and regions.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR242401". Items marked "" are certified.
Company Profile
General:
Shenzhen Etross Telecom Co., Ltd is a high-tech telecom company which specializes in developing and manufacturing wireless products, including 4G/3G/2G Fixed wireless terminal, 4G/3G/2G Fixed wireless telephone, 4G/3G/2G Fixed cordless phone, 4G CPE Router and SMS/VoIP Gateway, etc. For years, we have been devoted to providing good quality and hi-tech products to our clients, to be a China gold supplier of Telecom and IT products, we have operated around 21 years since 2006.
Business Description:
Currently we have several modern production lines producing 4G/3G/2G Fixed wireless terminal and Fixde wireless telephone, 4G/3G/2G Fixed cordless phone, 4G CPE Router, SMS/VoIP Gateway devices and Telemarketing terminal products. The production capacity can reach 1000 sets a day. In our company's R&D center, our experienced engineers are working to develop new high technology to guarantee our products' good quality and competitive advantage in the market. And some of our products have passed CE, FCC &RoHS certification.
Etross series products have been sold to more than 100 cities in China and exported to over 70 countires.
Major Products
Etross products are categorized under the following different segments:
1. Fixed Wireless Terminal Series: 4G LTE/3G WCDMA/ 2G GSM/2G CDMA
2. Fixed Wireless Telephone Series: 4G LTE/3G WCDMA/ 2G GSM/2G CDMA
3. Fixed Cordless Phone Series: 4G LTE/3G WCDMA/ 2G GSM/2G CDMA
4. CPE Router Series: 4G Indoor/Outdoor
5. SMS Gateway: 4G LTE/2G GSM
6. VoIP Gateway: 4G LTE/3G WCDMA/ 2G GSM/2G CDMA
7. Telemarketing Terminal: 4G LTE/2G GSM
Thanks for using Etross Series products, hope you can make more successfully.
About Our Factory & Business Background
- Address
- 3rd Floor, Block B, Yuetong Comprehensive Bldg.,Min Le road, Longhua District, Shenzhen, Guangdong, China
-
Terms of Payment
- T/T, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port
-
Minimum Order Quantity
- 1 PC
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
- Main Products
- Fixed Wireless Phone, Fixed Wireless Terminal, SMS Gateway, VoIP Gateway, CPE Router, Telemarking Terminal, Fixed Cordless Phone
-
Production Machines
- Electric screwdriver, Test computer, DC power supply, Welding machine, Automatic packing machine, Oscilloscope
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Customization Options
- Customization from Samples
-
ODM Service Available
- Yes
-
R&D Engineers
- 4 people
Our Industry Experience & Global Business Record
-
Export Year
- 17 Years
-
Main Markets
- North America, Europe, Africa, East Asia(Japan/ South Korea), Australia
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
FAQ
- What is the maximum number of SIM cards supported?
- The gateway supports up to 256 SIM cards across 32 ports, with optional configurations for 512 or 516 SIMs.
- Does the device support 4G network connectivity?
- Yes, it features a built-in 4G module (optional) and supports GSM/CDMA/3G/UMTS networks for flexible operation.
- How does the system prevent SIM blocking?
- It uses SBO, BTS rotation, human behavior functions, and automatic SIM rotation based on call duration or failure rates.
- What voice codecs are supported?
- The device supports G.711a/u law, G.723.1, G.726, and G.729AB codecs for high-quality voice transmission.
- Is web management available for configuration?
- Yes, it offers a user-friendly HTTP web interface for configuration, firmware upgrade, and CDR management.
- Can the gateway send and receive SMS?
- Yes, it supports SMS sending, batch SMS sending, receiving, and USSD balance inquiry.
- What are the power supply requirements?
- It requires AC100~240V 50/60HZ or DC12V/2A power supply, with a power consumption of 24W.
- What is the warranty period for this product?
- The product comes with a 1-year warranty.
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