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VoIP Phones - Grandstream HT8xx: Difference between revisions
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* [[File:HT-801-quickstart-guide.pdf|thumb]]
* Manual: https://www.grandstream.com/hubfs/Product_Documentation/ht80x_administration_guide.pdf
* [https://documentation.grandstream.com/knowledge-base/firmware-upgrade-guide/ Grandstream's upgrade guide]
* [https://www.grandstream.com/support/firmware Grandstream's firmware download page]
==Software Upgrade (to fix registering every second)==
A&A have seem problems (Feb 2024) with some firmware versions where the HT801 registers every second even though the expiry is set to an hour (or 10 minutes etc). In some cases, upgrading the software from 1.0.4x to 1.0.51.1 (the latest as of Feb 2024) helped resolve this. However, we're not convinced that the software upgrade is an actual long term fix for this problem...
Software upgrades can be done in a semi-automatic by:
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