Grandstream GXW4232 – 32 Port FXS VoIP Gateway with Gigabit & SIP
The Grandstream GXW4232 FXS VoIP Gateway is a high-density solution featuring 32 FXS ports, designed to connect large-scale analog phone deployments to SIP-based VoIP systems. It includes Gigabit connectivity, multi-SIP profiles, T.38 fax support, and advanced security, making it ideal for enterprise environments.
Description
The Grandstream GXW4232 FXS VoIP Gateway is a powerful and scalable solution designed for businesses that need to integrate large analog telephone deployments into modern IP-based communication systems. With 32 FXS ports, this gateway allows organizations to connect multiple analog phones, fax machines, and legacy devices to a SIP-based VoIP network with ease.
Built for high-performance environments, the Grandstream GXW4232 FXS VoIP Gateway supports up to 4 SIP server profiles, enabling flexible call routing with independent SIP accounts per port. This makes it an excellent choice for enterprises, call centers, hotels, and service providers that require advanced telephony management.
The device features a Gigabit Ethernet port, ensuring fast and reliable voice data transmission across the network. It also includes a backlit graphical LCD display, allowing for easy local configuration and monitoring with multi-language support.
To deliver exceptional voice quality, the gateway supports a wide range of voice codecs including G.711, G.723.1, G.726, G.729, iLBC, Opus, and G.722, along with T.38 Fax-over-IP support for reliable fax communication. Advanced voice processing technologies such as G.168 echo cancellation, dynamic jitter buffer, and automatic modem detection ensure clear and stable audio performance.
The Grandstream GXW4232 FXS VoIP Gateway also offers a comprehensive set of telephony features including caller ID, call forwarding, call transfer, call waiting, do-not-disturb, 3-way conferencing, and flexible dial plans, enhancing communication efficiency across the organization.
Security is a priority, with support for SRTP, TLS, HTTPS, secure boot, and 802.1x authentication, ensuring that voice communications and network access are protected.
With flexible provisioning options including TR-069, TFTP, HTTPS, XML configuration, and syslog monitoring, along with a rack-mountable 1U design, the Grandstream GXW4232 FXS VoIP Gateway is an ideal solution for enterprises seeking to modernize their telephony infrastructure while maintaining support for analog devices.
FXS Interfaces:
- Ports: 32 × RJ11 FXS
- Telco Connectors: 2 × 50-pin connectors
- Supports large-scale analog device deployment
Network & Connectivity:
- Ethernet: 1 × Gigabit (10/100/1000 Mbps)
- VLAN & QoS support
Voice & Codec Support:
- G.711 (a-law / μ-law)
- G.723.1
- G.726
- G.729 A/B/E
- iLBC
- Opus
- G.722 (wideband)
Fax & DTMF:
- T.38 Fax-over-IP
- G.711 fallback
- DTMF: In-audio, RFC2833, SIP INFO
Telephony Features:
- Caller ID / Call blocking
- Call transfer & forwarding
- Call waiting
- Do Not Disturb (DND)
- 3-way conferencing
- Paging & auto-dial
- Message Waiting Indicator (MWI/NEON LED)
- Flexible dial plans
Voice Processing:
- G.168 echo cancellation (128 ms)
- Dynamic jitter buffer
- Modem detection
Security Features:
- SRTP encryption
- TLS / HTTPS
- Secure boot
- 802.1x authentication
Management & Provisioning:
- Web GUI management
- TR-069 / TR-064
- HTTP / HTTPS / TFTP provisioning
- Syslog monitoring
- XML configuration support
Hardware & Design:
- Backlit graphical LCD display
- LED indicators per port
- Rack-mountable 1U form factor
Power & Environment:
- Power: 12V DC adapter
- Input: 100–240V AC
- Operating Temperature: 0°C to 45°C
- Humidity: 10% to 90% (non-condensing)
- Dimensions: ~440 × 255 × 44 mm
- Weight: ~2.6 kg
Key Features:
- 32 FXS Ports – High-density analog integration
- Multi-SIP Profiles – Flexible call routing
- Gigabit Connectivity – High-speed performance
- T.38 Fax Support – Reliable fax over IP
- Enterprise Security – SRTP, TLS, secure boot
- Advanced Telephony Features – Full call control
- Rack-Mount Design – Ideal for enterprise setups
- Easy Provisioning – TR-069, web management
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet
