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GRANDSTREAM NETWORKS

GCC602X UC + Networking Convergence Solutions

PBX Firmware Release Notes

IMPORTANT UPGRADING NOTE

Table of Content

IMPORTANT UPGRADING NOTE
FIRMWARE FILE DOWNLOAD
FIRMWARE VERSION 1.0.27.70 (PBX)

IMPORTANT UPGRADING NOTE

Please refer to the official Grandstream website for any specific upgrading instructions or important notes related to this firmware release.

FIRMWARE FILE DOWNLOAD

Individual firmware files are available for download at the URL below:

https://www.grandstream.com/support/firmware

FIRMWARE VERSION 1.0.27.70 (PBX)

PRODUCT NAME
GCC6020 / GCC6021

DATE
6/21/2025

FIRMWARE FILE INFORMATION

GCC6020 PBX firmware file name: gcc601xucm.bin

MD5 checksum: 150d0d3f2cde1b6acd1cd41f79cb9020

CHANGES/ENHANCEMENT

This is the initial release of GCC6020 PBX module firmware.

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Release Note GCC602x PBX 1.0.27.70 WPS Writer

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