Grandstream GXW4104 User Manual

Grandstream GXW4104 FXO Gateway manual cover
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Grandstream GXW4104 FXO Gateway Specification

The Grandstream GXW4104 FXO Gateway is a robust and versatile device designed to integrate traditional telephony infrastructures with modern VoIP systems. It serves as a bridge between PSTN lines and VoIP networks, making it ideal for businesses looking to leverage existing telephone infrastructure while transitioning to IP telephony.

The GXW4104 is equipped with four FXO ports, allowing it to connect up to four analog telephone lines to a VoIP network. It supports the SIP protocol, ensuring interoperability with a wide range of SIP-based systems and devices. This gateway is designed with advanced voice processing capabilities, including support for G.711, G.723.1, G.726, G.729A/B, and iLBC codecs, ensuring high-quality voice transmission.

Network connectivity is facilitated via a 10/100 Mbps Ethernet port, enabling seamless integration into existing network setups. The device supports a variety of telephony features such as call forwarding, call waiting, caller ID, and failover functionality, enhancing communication reliability and efficiency. Security is prioritized with support for TLS and SRTP encryption, protecting voice communications from unauthorized access.

The GXW4104 is easy to configure and manage, featuring a web-based user interface for intuitive setup and administration. It also supports automated provisioning using configuration files, streamlining deployment across multiple devices. With a compact and durable design, the gateway offers reliable performance in various deployment scenarios. Power is supplied via an external adapter, and the device operates within a wide range of environmental conditions, ensuring suitability for diverse operational environments.

Overall, the Grandstream GXW4104 FXO Gateway provides a cost-effective and efficient solution for businesses seeking to integrate legacy telephony systems with modern IP networks, without compromising on quality or functionality.

Grandstream GXW4104 FXO Gateway F.A.Q.

How do I configure the Grandstream GXW4104 FXO Gateway for the first time?

To configure the Grandstream GXW4104 FXO Gateway, connect it to your network and access its web interface via the default IP address 192.168.0.160. Log in using the default credentials (admin/admin). Navigate to the Basic Settings and configure your network settings before proceeding to the FXO Lines settings to set up your PSTN lines.

What should I do if the GXW4104 is not detecting the PSTN line?

Ensure that the PSTN line is properly connected to the FXO port. Check the line voltage and continuity. Verify the settings in the web interface under FXO Lines to ensure they match your local PSTN requirements. If issues persist, try restarting the device or resetting it to factory settings.

How can I update the firmware on the GXW4104?

Download the latest firmware from the Grandstream website. Access the GXW4104's web interface, go to Maintenance > Upgrade and Provisioning, and upload the firmware file. Follow the on-screen instructions to complete the update process. Ensure you do not power off the device during the update.

What is the procedure for resetting the GXW4104 to factory settings?

To reset the GXW4104 to factory settings, locate the reset button on the device. Press and hold the button for about 7 seconds until the device restarts. Alternatively, you can reset it via the web interface by navigating to Maintenance > Factory Reset.

How can I diagnose call quality issues with the GXW4104?

First, verify network stability and bandwidth. Check the FXO line settings and ensure they match local PSTN settings. Use the syslog feature under Maintenance > Syslog to monitor logs for any errors. Consider adjusting the gain settings for audio clarity.

How do I set up call routing rules on the GXW4104?

Access the web interface and navigate to FXO Lines > Dial Plan. Define your call routing rules by specifying patterns and conditions for routing calls through the available FXO ports. Save and apply the changes to update the routing configuration.

What are the common reasons for the GXW4104 to reboot unexpectedly?

Unexpected reboots can be caused by power fluctuations, network issues, or firmware bugs. Ensure the device is connected to a stable power source. Check for any overheating issues and ensure the firmware is up to date. Monitor the system logs for any error messages.

Can the GXW4104 be used with VoIP systems other than Grandstream?

Yes, the GXW4104 is compatible with most SIP-based VoIP systems. Ensure that the SIP server settings are correctly configured in the web interface under Profiles. You may need to consult the VoIP system’s documentation for specific integration settings.

How do I secure my GXW4104 against unauthorized access?

Change the default admin password to a strong, unique password. Disable unused services and ports. Enable HTTPS for secure web access and configure a VPN if remote management is necessary. Regularly update firmware to protect against vulnerabilities.

How can I extend the lifespan of my GXW4104 device?

To extend the lifespan of your GXW4104, ensure it operates in a well-ventilated environment to prevent overheating. Regularly clean the device to prevent dust buildup. Keep the firmware updated, and ensure it is protected from power surges with a UPS.