OPENVOX GWM400G Gsm Channel Module 2G GW1202 1600 2120

( Brand: Openvox ), ( Manufacturer Part Number: GWM400G ), ( Part Type: Module ), ( Network Ports: Rj45 ), ( Number Of Ports: 4 Channels ), ( Unit Type: Unit ), ( Country/region Of Manufacture: China ), ( Maximum Data Rate: 2g ), ( Product Line: Gwm Series ), ( California Prop 65 Warning: California Prop 65 ), ( Manufacturer Warranty: 1 Year )

Review OPENVOX 2g Gsm Channel Module For

The OpenVox GWM400G is a versatile 2G GSM channel module designed for use with the OpenVox GW1202 VoIP Gateway. This module expands the capacity of your gateway by adding an additional 1600 channels, allowing you to handle a larger volume of voice traffic.

The OpenVox GWM400G supports 400 2G GSM channels, each with its own unique phone number. This makes it an ideal solution for businesses or service providers that require a high capacity VoIP system. The module is also compatible with a wide range of GSM SIM cards, allowing you to choose the provider that best fits your needs.

This module features advanced call handling capabilities, including support for Caller ID, Call Waiting, and Call Forwarding. It also includes support for E-Fax, allowing you to send and receive faxes directly over the VoIP connection. The OpenVox GWM400G is designed for reliable performance, with built-in error correction and call recovery features.

The OpenVox GWM400G is easy to install and configure, with a user-friendly web interface that allows you to manage your VoIP services from anywhere. It is compatible with popular SIP and IAX protocols, making it a flexible solution for a wide range of VoIP applications.

In summary, the OpenVox GWM400G is a powerful and flexible 2G GSM channel module that expands the capacity of your OpenVox GW1202 VoIP Gateway. With support for 1600 additional channels, advanced call handling capabilities, and compatibility with a wide range of GSM SIM cards, this module is an essential tool for businesses and service providers that require a high-capacity VoIP solution.

The OpenVox GWM400G is a 2G GSM channel module designed for use with the Grandstream GW1202, GXW1610, and GXW1620 VoIP gateways. Here are some pros and cons that may help you make an informed decision about purchasing this product:

1. Compatibility: The OpenVox GWM400G is specifically designed to work with select Grandstream gateways, ensuring seamless integration.

2. Cost-effective: This module offers an affordable solution for adding additional 2G voice channels to a VoIP gateway.

3. Reliability: OpenVox is a well-known brand in the VoIP industry, known for producing high-quality products.

4. Flexibility: The GWM400G supports both E1/T1 and FXS interfaces, providing flexibility in deployment.

5. Easy installation: The module can be easily installed and configured using the web interface or command-line tools.

1. Limited to 2G: The OpenVox GWM400G only supports 2G networks, which may be a disadvantage for those looking for a solution that supports 3G or 4G networks.

2. Deprecation of 2G networks: With the phasing out of 2G networks, the long-term viability of this module may be a concern.

3. Limited features: Compared to more advanced VoIP gateways, the OpenVox GWM400G offers fewer features and may not be suitable for more complex deployments.

In conclusion, the OpenVox GWM400G is a cost-effective and reliable solution for adding additional 2G voice channels to a Grandstream VoIP gateway. However, potential buyers should be aware that the module is limited to 2G networks and offers fewer features compared to more advanced solutions. If your deployment requires support for 3G or 4G networks or more advanced features, you may want to consider other options.

Based on the above, I would recommend the OpenVox GWM400G for those looking for an affordable and reliable solution for adding 2G voice channels to a Grandstream VoIP gateway. However, if your deployment requires support for 3G or 4G networks or more advanced features, I would recommend exploring other options.

Details:

Products, model's and manufacturer names are used only for the purpose of identification. Warranty does not cover any damage due to accidents, misuse or negligence. Special Shipping Arrangements. This uses the 2G GSM Wireless Frequency.

The image displayed for the products may not be exact picture of item. Openvox GWM400G 2G GSM 4 Channel Module for GW1202 1600 2120 - Clearance. Useful Links. Each module offers four GSM channels.

Refer to Warranty Card for specific procedure. Express service is also offered for most items. VS-GWM400G module allows OpenVox wireless VS-GW1200/1600/2100 series gateways to support GSM connection the VoIP devices. Buyer should be present to accept delivery.

Express, Priority Post. Every effort has been made to ensure the accuracy of all information contained herein. Buyer should therefore inspect all packages for damages before signing delivery receipt. This is the V1 Old model Module and works with new GW1202V2, GW1600V2, GW2120V2 Chassis as well model's.

Claims should be filed immediately with the carrier and NOT with TECH-R-US for any damages that may have incurred in transit. The pictures are stock photo supplied by the manufacturer, used for display purposes only.

part #: gwm400g prices

• $407.00-$783.00

specifications switchchunk:

• brand: Openvox
• mpn: Gwm400g
• part type: Module
• network ports: Rj45
• number of ports: 4 Channels
• unit type: Unit
• country/region of manufacture: China
• maximum data rate: 2g
• product line: Gwm Series
• california prop 65 warning: California Prop 65
• manufacturer warranty: 1 Year

offer switchchunk:

• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: July 25, 2025

payments switchchunk:

• credit card: Discover
• wallet: Google-pay
• other

returns switchchunk:

• paid by: Buyer
• policy: Returns Accepted
• method: Money back
• time: 30 Days

seller switchchunk:

• city: Monrovia, California
• rating: 99.4%
• # reviews: 21638

shipping switchchunk:

• type: Calculated
• cost: $17.90
• class: Standard, Expedited
• transit: 4-10 Days
• carrier: USPS, UPS
• service: USPS Ground Advantage, UPS Ground, USPS Priority Mail

general switchchunk:

• Enterprise Networking, Servers > Switches Hubs > Switch Modules
• condition: New