DST a Week Early

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Adrian Fretwell

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Aug 13, 2017
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Hi, has anyone else in the UK seen their Yealink phones switch to BST a week early?

About 600 of our phones have gone to BST a week early, I suspect it is an issue with the autoDST.xml file provided with the default firmware. I have raised a ticket with Yealink.
 

hfoster

Active Member
Jan 28, 2019
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Yeh, most of our Yealinks and on FusionPBX AND 3CX. Yealink must have dropped a bollock when defining the automatic DST time, as they've put it as the 4th week instead of the last week of March. Must be a recent thing as some ancient phones like the T27P have got the correct definition.

I just added these for the default settings/domain settings/profiles:

- yealink_dst_type = 1
- yealink_time_zone_start_time = 3/5/7/1:0
- yealink_time_zone_end_time = 10/5/7/2:0
- yealink_summer_time = 1

Job's a gooden then. Fingers crossed government cancels DST soon! :D
 
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eblaster101

New Member
Dec 6, 2022
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Thank you so much, Just for anyone else,

Domain Defaults
- yealink_dst_type = 1
- yealink_summer_time = 1

Can be added under device individually or profile then assigned to device.
- yealink_time_zone_start_time = 3/5/7/1:0
- yealink_time_zone_end_time = 10/5/7/2:0

Assuming this happened because of leap year, waiting till sunday will correct it.
 
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hfoster

Active Member
Jan 28, 2019
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Yeh, I thought that, but then it happens next year and the year after that too. I think someone at Yealink/Fanvil just made an erroneous commit.
 
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