Grandstream GXW4248 - 48-Port FXS Analogue VoIP Gateway, Gigabit, 1U

Grandstream GXW4248 - 48-Port FXS Analogue VoIP Gateway

The Grandstream GXW4248 is a high-density FXS gateway in the GXW4200 v2 series. Grandstream describes the series as a way to build a hybrid IP and analogue system that keeps existing analogue phones, fax machines and legacy PBX systems. The GXW4248 has 48 FXS ports (2 x 50-pin Telco connectors (no RJ11 ports)), one 10/100/1000 Mbps RJ45 network port and a backlit 132x32 LCD, with 4 SIP server profiles per system and an independent SIP account per telephone port.

What the GXW4248 is for

Use it to connect a building's analogue extensions, fax machines or door phones to a SIP IP PBX or VoIP service. Grandstream lists zero-configuration provisioning with its UCM series IP PBXs. See the Grandstream range and our VoIP phones.

Key features

• 48 FXS telephone ports (2 x 50-pin Telco connectors (no RJ11 ports))
• One 10/100/1000 Mbps auto-sensing RJ45 network port
• 4 SIP server profiles per system, independent SIP account per port
• T.38 Group 3 fax relay up to 14.4 kbps, with auto-switch to G.711 pass-through
• Codecs including G.722 wideband and Opus
• TLS/SIPS, SRTP and HTTPS; secure boot and random admin passwords
• Backlit 132x32 graphic LCD
• Provisioning with TFTP/HTTP/HTTPS/FTP/FTPS, TR-069 and GDMS
• Desktop or rack mount (1U, front brackets)

Full specification

What you will need

A SIP IP PBX or VoIP service with one SIP account per analogue port you want to use, a Gigabit or Fast Ethernet network port, and cabling for the 2 x 50-pin Telco connectors (no RJ11 ports). The GXW4248 uses two 50-pin Telco connectors, so you will need suitable Telco cables or a patch panel.

Buying from Zenith Security Co.

We are a UK supplier, not an installer, and we will go through the product with you before you buy. We have been operating since 2012 and our trade counter is at Unit 3, Park View Centre, 243 Dudley Road, Wolverhampton WV2 3JU. Trade accounts are available - see our trade customer page.

How many analogue phones can the GXW4248 connect?

48, one per FXS port, each with its own SIP account.

Does it support fax?

Yes. Grandstream lists T.38 Group 3 fax relay up to 14.4 kbps with auto-switch to G.711 pass-through.

Can it be rack mounted?

Yes. It is 1U and Grandstream lists desktop and rack mounting with front brackets.

Will it work with my phone system?

It is a standard SIP device, so it works with SIP-based IP PBXs and VoIP services. Grandstream lists zero-configuration provisioning with its UCM series IP PBXs. Call us if you want us to check a particular system.

How quickly can I get it?

Orders are dispatched for delivery within 1-3 working days to England, Scotland and Wales; we do not ship to Northern Ireland. You can also collect from our trade counter - please call first so we can confirm your order is ready.

Can I collect it from your trade counter?

Yes. Our trade counter is at Unit 3, Park View Centre, 243 Dudley Road, Wolverhampton WV2 3JU. Please call 01902 902251 first so we can confirm your order is ready.

Questions on specification or compatibility: call 01902 902251, see our FAQ and support pages, or contact us.