GS-GXW4248-V2 - Grand Stream 48 FXS, 1 GigE, near HD quality | Aztek Computers
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SKU: Z28WWCZHB8 |  Mfg. Part: GS-GXW4248-V2  | UPC: 6947273704362  | 
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GS-GXW4248-V2 - Grand Stream 48 FXS, 1 GigE, near HD quality audio

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$927.39  $1,251.98

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Product Overview

- 48 FXS, 1 GigE, near HD quality audio
- A single 10/100/1000Mbps auto-sensing RJ45 port
- TLS and SRTP security with AES encryption technology to protect calls and accounts
- Automated provisioning options include TR-069 and XML config files
- Supports simultaneous 3-way voice conferencing per port
- Failover SIP server feature automatically switches to secondary server if main server loses connection
- Supports simultaneous T.38 or pass-through fax-over-IP per port
- Supports a wide range of caller ID formats
- Use with Grandstream's UCM series of IP PBXs for Zero Configruartion provisioning
- Supports advanced telephony features, including call transfer, call forward, call-waiting, do not disturb, message waiting indication, multilanguage promtps, flexible dial plan and more
- Supports secure cloud provisioning using Grandstream Device Management Service (GDMS) pending
- Supports 16KHz wide-band voice sampling rate and wide-band codecs such as Opus and G.722
- Secure boot, unique certificate and random default password per device, dual firmware images

Expert Overview

The GRAND STREAM GS-GXW4248-V2 is a business phone gateway designed for organizations needing to integrate traditional analog devices into a modern IP-based telephony system. This unit features 48 FXS ports, enabling the connection of a substantial number of analog phones, fax machines, or legacy PBX extensions. It connects to the network via a single 10/100/1000Mbps auto-sensing RJ45 port. The gateway supports near HD quality audio through wide-band codecs like Opus and G.722, with a 16KHz voice sampling rate. Security features include TLS and SRTP with AES encryption, secure boot, and dual firmware images. It offers automated provisioning via TR-069 and XML config files, with pending support for Grandstream Device Management Service (GDMS). This product is suitable for businesses looking to preserve investments in analog endpoints while leveraging the benefits of VoIP infrastructure, including advanced telephony features and SIP server failover capabilities.

Technical Specifications

Number of FXS Ports: 16+
Wall or Rack Mountable: Rack
Color: Black

Product Details

  • Manufacturer:
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  • UPC:
  • Condition:
  • Weight:
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  • Updated:
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  • GRAND STREAM
  • GS-GXW4248-V2
  • 6947273704362
  • New
  • 10.5 lbs
  • 20 X 14 X 5
  • Today - Jul 29, 2026
  • May 15, 2026
Product Identifiers: Brand: Grand Stream • Part #: GS-GXW4248-V2 • UPC: 6947273704362 • Category: Business Phones

Frequently Asked Questions

How many analog devices can this gateway support?

The gateway features 48 FXS ports, allowing it to support up to 48 analog phones, fax machines, or other legacy analog devices.

What kind of network connection does this device use?

It connects to the network via a single 10/100/1000Mbps auto-sensing RJ45 port.

What are the security features included with this gateway?

Security features include TLS and SRTP with AES encryption technology, secure boot, a unique certificate, a random default password per device, and dual firmware images.

Is this device compatible with Grandstream's UCM series IP PBXs?

Yes, it supports Zero Configuration provisioning when used with Grandstream's UCM series of IP PBXs.

GS-GXW4248-V2 - Grand Stream 48 FXS, 1 GigE, near HD quality audio

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$927.39