If you need to check the compatibility of EXP and Yealink Phone, the FAQ is for your reference:EXP M
2021-04-07
There are a large number of FAQs and customers are not familiar with the search mechanism, resulting
2020-11-26
When something is wrong with EXP40, factory reset maybe a good way to recover it. Or you want to rec
2017-01-13
Is there any way to change the intensity of LCD backlight on the EXP50/EXP40?You can adjust the back
2017-01-09
Sometimes, if there are too many BLF DSS Keys configured or an environment problem, the BLF status c
2015-04-20
The LCD of expansion module displays nothing or it is stuck in the loading interface.Software proble
2015-03-11
The expansion module can boot up normally, but it can’t be recognized by phone. When you login into
2015-03-11