Adding Yealink T27G firmware

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rubberducky

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Aug 30, 2017
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So scrolling through the Default Settings I see all the different phone models and their corresponding firmware. I don't see t27g, but I'd like to add it and be able to push out firmware to it. Can someone give me an idea of how to do this?
 

Adrian Fretwell

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Aug 13, 2017
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T27g is present on my systems and I don't remember adding it in.
Screenshot from 2020-04-11 09-27-27.png

It is easy enough to add, simply create the default setting, then copy your firmware file to:
/var/www/fusionpbx/app/yealink/resources/firmware
 

rubberducky

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Aug 30, 2017
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Thanks for responding to my question. I have never tried to provision firmware before. I barely figured out how to provision DSS keys.
So I followed your instructions, downloaded the firmware for the t21p e2, the t27, and the t41s. I'm working with the t41s, since its already on my desk and still a yealink.
I reset the t41s to factory settings, put in the right provisioning auth info in, and clicked provision. It got its line and DSS key settings, but didn't upgrade its firmware. Am I missing something? Where can I troubleshoot this?
 

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rubberducky

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Aug 30, 2017
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my.ip - - [13/Apr/2020:14:25:15 -0700] "GET /app/yealink/resources/firmware/t41s-36.83.0.120.rom HTTP/1.1" 200 294653 "-" "Yealink SIP-T41S 66.84.0.90 00:19:65:c5:99:20"

Got this from the web logs if it helps.
 

Matthew Main

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Jan 24, 2017
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Im going to to write a how to, if Mark gives me the thumbs up I will post it publicly.

I dont want to rock any boats
 
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