VoIP Grandstream GXW4224

Grandstream GXW4224 24-Port FXS VoIP Gateway

The Grandstream GXW4224 is a first-generation GXW42xx FXS gateway that connects up to 24 analog phones, fax machines or an analog PBX to an IP PBX, a SIP service provider or a softswitch platform. It connects to the network through a single Gigabit port, supports 24 SIP accounts and 4 server profiles, and handles 24 concurrent calls.

It suits offices, hotels and institutions that move to VoIP while keeping their existing phones and fax machines. The gateway supports G.711, G.722, G.729 and other codecs, T.38 fax, SRTP and TLS encryption and remote provisioning over HTTP or HTTPS. The chassis can stand on a desk or be mounted in a rack.

Key features

• 24 analog extensions - 24 RJ11 ports on the front and a 50-pin Telco connector on the back for quick RJ21 cabling.
• 24 concurrent calls - Each port works with its own SIP account, up to 24 calls at once and 4 SIP server profiles.
• Telephony features - Transfer, forward, call waiting, 3-way conference, a flexible dial plan and caller ID in many standards.
• Fax over IP - T.38 Group 3 up to 14.4 kbps with automatic switching to G.711 pass-through.
• Security - SRTP, TLS/SIPS, HTTPS and 802.1x, with HTTP/HTTPS and SSH management access.
• LCD display - A 128x32 front display shows the IP address and unit status, with an LED for every port.

Specifications