Grandstream GXW4232 v2 High-Density 32-Port FXS VoIP Gateway — Gigabit, 4 SIP Profiles, SRTP/TLS, Wideband Audio

The Grandstream GXW4200 v2 Series enables businesses to cost-effectively integrate analog infrastructure with IP telephony systems. The Grandstream GXW4232 v2 provides 32 FXS ports, ensuring analog device connectivity alongside the advantages of VoIP, such as advanced call features, flexibility, and cost savings.

Grandstream GXW4232 v2 is supporting 4 SIP server profiles per system and independent SIP accounts per port, it guarantees compatibility with virtually any IP-PBX, softswitch, or SIP-based platform. Its Gigabit Ethernet port ensures high-speed data handling, while wideband codec support (Opus, G.722) and advanced echo cancellation deliver outstanding audio clarity.

Grandstream GXW4232 v2 comes with features like SRTP, TLS/SIPS, HTTPS, SecureBoot, random default passwords, and unique device certificates. Reliable fax support is ensured with T.38 FoIP and G.711 fallback. The device also supports three-way voice conferencing per port for enhanced telephony functionality.

Grandstream GXW4232 v2 has a backlit LCD display with multilingual support, advanced provisioning options, and flexible management interfaces (Web UI, HTTPS, SSH, TR-069, Syslog) make the GXW4232 v2 easy to deploy, configure, and maintain for enterprise and carrier-grade environments.

🎯 Key Features:

• 32 FXS ports via RJ11 and 2x 50-pin Telco connectors

• 1 Gigabit Ethernet port (10/100/1000 Mbps auto-sensing)

• Backlit 128×32 graphic LCD display with multilingual support

• 4 SIP server profiles per system, independent SIP account per port

• Carrier-grade security: SRTP, TLS/SIPS, HTTPS, SecureBoot, unique device certificates

• Wideband audio codecs: Opus, G.722, G.711, G.723, G.729, G.726-32, iLBC

• Fax-over-IP (T.38) with auto-switch to G.711

• Simultaneous 3-way voice conferencing per port

• Line echo cancellation, adaptive jitter buffer, dynamic noise suppression

• QoS support: DiffServ, ToS, 802.1p/q VLAN tagging

• Flexible DTMF transmission: In-audio, RFC2833, SIP INFO

• Multiple provisioning options: TFTP, HTTP, HTTPS, FTP, FTPS, TR-069

• Electrical protection meeting ITU-T K.21 (Basic Test Level)

• Universal power adapter included

• 16/24/32 FXS ports, GXW4248 includes 2 50-pin Telco connectors
• 1 Gigabit network port
• 132×48 backlit graphic display with support for multiples languages
• 4 SIP server profiles per system, independent SIP account per port
• Designed and tested for full interoperability with leading IP-PBXs, soft-switches and SIP-based environments
• Advanced security protection with SRTP/TLS/HTTPS
• Supports 16KHz wide-band voice sampling rate and wide-band codecs such as Opus and G.722
• Carrier-grade security features including secure boot, unique certificate and random default password per device, dual firmware images
• Supports simultaneous 3-way voice conferencing per port