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SIP-T48G: Voice/Text Mail Power Light Flash
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darryl.grennan Offline
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Post: #1
SIP-T48G: Voice/Text Mail Power Light Flash
The "Voice/Text Mail Power Light Flash" won't stop flashing even when the voice mail is cleared by the server with no new messages present and no longer shows the "message" icon on the LCD display.

The only way to clear the LED is to pick up an extension and hang it up again. Or press a digit on the keypad.

T48G
Firmware Version 35.81.0.91
Hardware Version 35.1.0.0.0.0.0
Unused BackLight "Off"
Active Backlight Level "8"
Backlight Time(seconds) "15s"
Power Saving "Disabled"
(This post was last modified: 07-27-2017 11:31 AM by darryl.grennan.)
07-27-2017 11:28 AM
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complex1 Offline
3CX Adv. Cert. Engineer
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Posts: 1,530
Joined: Jan 2014
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Post: #2
RE: SIP-T48G: Voice/Text Mail Power Light Flash
(07-27-2017 11:28 AM)darryl.grennan Wrote:  The "Voice/Text Mail Power Light Flash" won't stop flashing even when the voice mail is cleared by the server with no new messages present and no longer shows the "message" icon on the LCD display.

The only way to clear the LED is to pick up an extension and hang it up again. Or press a digit on the keypad.

T48G
Firmware Version 35.81.0.91
Hardware Version 35.1.0.0.0.0.0
Unused BackLight "Off"
Active Backlight Level "8"
Backlight Time(seconds) "15s"
Power Saving "Disabled"

Hi,

Please upgrade the phone to the latest firmware, then reset to factory default, re-provisioning it and test again.
http://download.support.yealink.com/down....0.110.zip

Hope this will help.

Kind regards,
Frank.

I am not an employee of Yealink.
Dutch is my native language, not English. Apologies for my imperfect grammar.
Please do not send unsolicited PM messages. I will not answer them.
07-27-2017 11:37 AM
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darryl.grennan Offline
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Joined: Nov 2016
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Post: #3
RE: SIP-T48G: Voice/Text Mail Power Light Flash
35.81.0.91 was a "special" build to stop the LED lights from being on continually when the power is active.
Users have reported that newer builds are lacking the this as feature parity between the two releases have not been reached.

I should also note that the phone was reset to factory default, re-provisioning it and tested again.
(This post was last modified: 07-27-2017 12:15 PM by darryl.grennan.)
07-27-2017 12:09 PM
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Travis_Yealink Offline
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Posts: 171
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Post: #4
RE: SIP-T48G: Voice/Text Mail Power Light Flash
(07-27-2017 12:09 PM)darryl.grennan Wrote:  35.81.0.91 was a "special" build to stop the LED lights from being on continually when the power is active.
Users have reported that newer builds are lacking the this as feature parity between the two releases have not been reached.

I should also note that the phone was reset to factory default, re-provisioning it and tested again.

Hi Darryl,

Yes, you are correct, as I explained before, V81.91 is a technical version, and it has better performance than our official one, V81.110.

Back to the case, do you mean that even the messages all cleared from the voice mail server, and the messages popup disappear from the phone scereen, but the LED light still blink?

If so, I think it should be a bug, would you please kindly provide all three trace files to me? I will submit to our R&D team to do the further analysis.
If you can provide me a short video, that would be much helpful.

Thanks for your cooperation in advance.

Regards,
Yealink_Travis
07-28-2017 07:00 AM
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