grandstream

Grandstream GBX20 Extension Module Firmware Upgrade Failure

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Grandstream GBX20 Firmware Upgrade

Description This article describes the troubleshooting steps to workaround the upgrade failure in the Grandstream GBX20 Extension module version 1.0.0.1. By default, the GBX20 firmware is upgraded by direct network download through the host phone (eg GXV3350 or GRP2615)’s network connection and GXV3350’s firmware upgrade setup. Ensure that you set firmware.grandstream.com on the GRP2615 Web … Read more

XML-Based Idle Screen Customization Guides for Grandstream GXP16XX/17XX/21XX Phones

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XML Based Idle Screen Customization Guide for Grandstream GXP16XX Phone

Description The Grandstream GXP16xx supports XML-based idle screen customization. This XML API allows users to customize the idle screen layout as well as the logo, text, or system variables to be displayed. The design of the display and layout depends highly upon personal preferences and requirements. The document below specifies the Grandstream XML Customizable Screen … Read more