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Hey, everyone. 

Having some issues with BLF keys constantly flashing on a Yealink EXP40. 

Here's the scenario: 
There's two receptionist with heavy call volume. Both receptionist have the same phone setup. Yealink T46S, along with (2) Yealink EXP 40 expansion modules. There's a total of 35 BLF keys on each phone, for each receptionist. 

The issue just started to arise when we added the other receptionist's phone. 

But on both phone's expansion modules, the buttons will randomly keep flashing, but only some of them. No incoming calls for those users/extensions. 

A reboot temporarily alleviates the issues. A few keys stay blinking anyway, but not nearly as many. 

Can anyone point me in the right direction to start looking? 

Thanks!
- Ryan

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  • 4 weeks later...

The Yealink phones were pointing to the wrong set of servers. I checked the RTP status page of the Yealink phones. The Roundtripdelay, SymmOneWayDelay, Packet Loss and Jitter numbers were way up. The phones were connected to the Central servers. Once I pointed them to the East servers manually, all of those problems disappeared. More of an issue on my end! 

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