Grandstream GXW4224 24-Port FXS Analog VoIP Gateway

The Grandstream GXW4224 is a powerful solution for businesses seeking to seamlessly integrate analog and VoIP systems. Designed for modern enterprises, this high-density FXS gateway blends the best of both worlds—offering advanced VoIP capabilities with the reliability of analog lines.

Featuring 24 FXS ports and a single Gigabit network port, the GXW4224 is built to handle high-volume communication needs with ease. Each port supports an independent SIP account, ensuring seamless connection across various SIP server profiles. The gateway’s carrier-grade security, which includes SRTP/TLS/HTTPS encryption and unique device certificates, guarantees a secure, reliable communication network. With wide-band codecs like Opus and G.722 and a 16KHz voice sampling rate, users benefit from crystal-clear audio.

The GXW4224’s 132×48 backlit graphic display offers multilingual support, making it highly accessible across diverse settings. The device is engineered for full interoperability with leading IP-PBXs and SIP-based systems. Meanwhile, built-in features like 3-way conferencing per port maximize efficiency.

Key Features of the GXW4224:

• Includes 24 FXS ports for seamless analog device integration, with the GXW4248 featuring 2 50-pin Telco connectors for added flexibility.
• Equipped with a 1 Gigabit network port for high-speed and reliable connectivity.
• Features a 132×48 backlit graphic display, offering support for multiple languages for ease of use.
• Provides support for 4 SIP server profiles per system, with an independent SIP account available for each port.
• Built and tested for full compatibility with leading IP-PBXs, soft-switches, and SIP-based communication platforms.
• Offers advanced security features such as SRTP, TLS, and HTTPS to ensure data protection.
• Supports 16KHz wide-band voice sampling and advanced codecs like Opus and G.722 for crystal-clear audio quality.
• Delivers carrier-grade security with features like secure boot, unique device certificates, random default passwords, and dual firmware images for added reliability.
• Enables simultaneous 3-way voice conferencing on each port

Multiple Connection Options: The GXW4224 models offer 24 RJ11 ports and 1 50-pin Telco connectors, while the GXW4248 features 2 50-pin Telco connectors, ensuring broad compatibility and flexible connectivity.

Gigabit Ethernet Port: Equipped with a 10M/100M/1000Mbps auto-sensing RJ45 port, facilitating fast and reliable network integration.

User-Centric Design

• Informative LED Indicators: Clear visual cues for LAN Link, LAN Activity, and individual Telephone Port connections.
• Multilingual LCD Display: A backlit 128×32 graphic LCD supports multiple languages, enhancing usability across different regions.

Advanced Voice-Over-Packet Technology

• Superior Echo Cancellation & Jitter Buffer: Features window-based carrier-grade line echo cancellation and a dynamic jitter buffer for crystal-clear voice communication.
• Intelligent Codec Switching: Automatically switches to G.711 for optimal voice transmission.

State-of-the-Art Voice Compression

• Supports a wide range of codecs including G.711, G.723.1, G.726, G.729 A/B, and iLBC, catering to various audio quality needs.

Reliable Fax Over IP Functionality

• T.38 Compliance: Ensures high-quality Group 3 Fax Relay up to 14.4kbps and seamlessly switches to G.711 for Fax Pass-through.
• Versatile Fax Data Pump Support: Compatible with V.17, V.21, V.27ter, V.29 standards for T.38 fax relay.

Comprehensive Telephony Features

• Includes Caller ID, call waiting, transfer, forwarding, DND, 3-way conference, return call, paging, MWI LED support, and auto-dial, providing a rich telephony experience.

Optimized Network Performance

• Advanced QoS Settings: Implements DiffServ, TOS, and 802.1P/Q VLAN tagging for prioritized traffic management.
• Broad Protocol Support: Compatible with numerous protocols including TCP/UDP, RTP/RTCP, HTTP/HTTPS, and more, ensuring extensive network adaptability.

Flexible DTMF Transmission Options

• Offers multiple methods such as in-audio, RFC2833, and SIP INFO for versatile DTMF handling.

Robust SIP Signaling

• Supports SIP over UDP/TCP/TLS with up to 4 distinct SIP server profiles per system and an independent SIP account per telephone port.

Efficient Provisioning and Security

• Provisioning Methods: Includes TFTP, HTTP, HTTPS, and TR069 for easy setup.
• Enhanced Security Features: Incorporates SRTP, TLS/SIPS, HTTPS, and 802.1x for secure communications.

Convenient Management & Power Specifications

• Easy Management Tools: Manageable via Syslog, HTTPS, Web browser, voice prompts, and TR-069.
• Universal Power Supply: Tailored power supply options for different models, suitable for a wide range of power inputs.

Environmental and Physical Durability

• Designed to operate in a range of environmental conditions with robust over-voltage and over-current protection as per ITU-T Recommendation K.21.

Flexible Mounting Options

• Can be used as a desktop unit or mounted in a rack, providing installation versatility.

Additional Technical Specifications

• Comprehensive Caller ID Support: Compatible with various international standards for Caller ID.
• Effective Disconnect Methods: Includes Busy Tone, Polarity Reversal/Wink, and Loop Current for reliable call termination.
• Global Compliance: Meets FCC, CE, C-TICK, and ITU-T standards, ensuring compliance with international regulations.

Datasheet

• GXW4200 Series Datasheet English