GCC602x System Firmware 1.0.7.57: Release Notes    Firmware File

GCC602x PBX Firmware 1.0.27.94: Release Notes    Firmware File

Note: A single complete firmware file gcc602xfullyfw.bin can be used for upgrading GCC system and PBX module. The single complete firmware file can be downloaded here: Release_GCC602xFullFW_Sys-1.0.7.57_PBX-1.0.27.94