GrandStream GXW4248 48 Port FXS Gateway
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GrandStream GXW4248 48 Port FXS Gateway
The GrandStream GXW4248 is a high-density analog VoIP gateway designed to seamlessly connect traditional analog phones, fax machines, and other FXS devices to IP-based networks. This robust 48-port solution enables businesses to leverage their existing telephony infrastructure while transitioning to modern VoIP communications.
Key Features and Benefits
- High-Density Connectivity: 48 FXS ports via 2 x 50-pin Telco connectors for maximum scalability
- Gigabit Network Interface: 1x Gigabit Ethernet port ensures high-speed, reliable network connectivity
- Comprehensive Codec Support: G.711, G.723.1, G.726, G.729 A/B, and iLBC for flexible voice compression options
- Advanced Fax Support: T.38-compliant Group 3 Fax Relay with auto-switching to G.711 for pass-through
- Rich Telephony Features: Call transfer, forward, waiting, DND, 3-way conference, last call return, paging, and MWI
- Universal Caller ID Compatibility: Supports Bellcore Type 1&2, ETSI, BT, NTT, and DTMF-based standards
- User-Friendly Interface: Backlit 128x32 graphic LCD display with multi-language support for easy configuration
- Enterprise-Grade Security: SRTP, TLS/SIPS, and HTTPS with AES-128 encryption protect your communications
- Flexible Provisioning: Multiple options including TFTP, HTTP, HTTPS, TR-069, XML config files, and Zero Config with Grandstream UCM
- Versatile Installation: Desktop or rack-mountable design with included front brackets
Business Applications and Advantages
The GXW4248 is an ideal solution for businesses seeking to modernize their communications infrastructure without abandoning existing analog equipment. Whether you're running a call center, hospitality operation, healthcare facility, or multi-location enterprise, this gateway bridges the gap between legacy analog devices and IP telephony systems. The high port density reduces rack space requirements and simplifies network architecture, while comprehensive codec support ensures optimal call quality and bandwidth efficiency. With per-port LED indicators, administrators can quickly monitor connection status across all 48 ports, streamlining troubleshooting and maintenance.
Technical Specifications
- Manufacturer: Grandstream
- Model: GXW4248
- Network Interface: 1x Gigabit Ethernet port
- Telephone Interfaces: 2 x 50-pin Telco connectors (48 FXS ports total)
- Display: Backlit 128x32 graphic LCD with multi-language support
- LED Indicators: Power, LAN Link, LAN Activity, Connection Per Telephone Port
- Voice Compression: G.711, G.723.1, G.726 (40/32/24/16), G.729 A/B, iLBC
- Fax over IP: T.38 compliant Group 3 Fax Relay (up to 14.4kbps); auto-switch to G.711 for pass-through
- Telephony Features: Call transfer, forward, waiting, DND, 3-way conference, last call return, paging, MWI
- Caller ID: Bellcore Type 1&2, ETSI, BT, NTT, and DTMF-based CID
- Provisioning: TFTP, HTTP, HTTPS, TR-069, XML config files, Zero Config with Grandstream UCM
- Security: SRTP, TLS/SIPS, HTTPS (AES-128 encryption)
- Dimensions: 10.03" x 17.32" x 1.73"
- Mounting: Desktop and rack mount with front brackets
Included
- GXW4248 Gateway
- Universal Power Supply (24VDC, 6.25A)
- Front mounting brackets
Why Buy from PC Liquidations
With over 250,000 happy customers, we understand the importance of delivering reliable communications equipment that meets your business needs. Our team of A+ Certified technicians ensures every unit meets our stringent quality standards, so you can deploy with confidence.
All products come with warranties, and our commitment to quality means you're investing in dependable technology backed by expertise and support. Upgrade your communications infrastructure today with the GrandStream GXW4248 and bring your analog devices into the modern VoIP era.

New Product
These products are brand new and have never been used. They arrive in the original manufacturer packaging in pristine, factory-fresh condition.
GXW4248 48 Port FXS Technical Specs
| Manufacturer | Grandstream |
|---|---|
| Model | GXW4248 |
| Network Interface | 1x Gigabit Ethernet port |
| # of Telephone Interfaces | 2 x 50-pin Telco connectors |
| LCD display | Backlit 128x32 graphic LCD with multi-language support |
| LED indicators | Power, LAN Link, LAN Activity, Connection Per Telephone Port |
| Voice Compression | G.711, G.723.1, G.726 (40/32/24/16), G.729 A/B, iLBC |
| Fax over IP Support | T.38 compliant Group 3 Fax Relay (up to 14.4kbps); auto-switch to G.711 for Fax Pass-through |
| Telephony Features | Call transfer, forward, waiting, DND, 3-way conference, last call return, paging, MWI |
| Caller ID | Bellcore Type 1&2, ETSI, BT, NTT, and DTMF-based CID |
| Provisioning | TFTP, HTTP, HTTPS, TR-069, XML config files, Zero Config with Grandstream UCM |
| Security | SRTP, TLS/SIPS, HTTPS (AES-128 encryption) |
| Dimensions | 10.03" x 17.32" x 1.73" |
| Mounting | Desktop and rack mount with front brackets |
| Included | 1x GXW4248 1x Universal Power Supply (24VDC, 6.25A) 1x front brackets |
No-hassle returns. Zero restocking fees.
Wrong item? Changed your mind? Don't need it anymore? We've got you covered.
30-Day Returns
- No restocking fees, ever
- Refund or store credit — your choice
- 30 days from invoice date
- Return in original condition, securely packed
Fast Shipping
- Ships within 2 business days*
- Rush & Saturday delivery available — call us
- Free ground shipping available (continental US orders over $500)
- Overnight delivery available
1-Year Warranty
- Covers defects & functional failures
- Normal business use, from date of purchase
- Batteries: 90 days (consumable)
- Excludes misuse, modification, mishandling
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