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Update yealink firmware in EPM please

(Bob Reiber) #1

Specifically for the t42s but I’ve noticed that at least a few other models have outdated firmware as well. I bought a couple of t42s phones with the hope of getting them on the wifi at a customer that has no structured wiring. What I’ve learned so far is this for the t42s model:

-The latest level in EPM (labeled 1.17) does not support wifi
-The level that came loaded on the phone i just bought does work
-I was told on the Yealink forum that everything as of does work for the t42s but as pointed out above this isn’t quite accurate.
-The latest level on the Yealink site is

And yes, I added the entry to the basefile to activate it since our basefile doesn’t have a number of the parameters.


per the yealink instructions

PBX Firmware: 12.7.5-1807-1.sng7
EndPoint Manager

(Bob Reiber) #2

Also, I know I can add my own .rom files to the tftpboot folder but it would be nice to have the paid EPM updated. Thanks.

(Avayax) #3

Beware of yealink V83 firmware if you are using openvpn to connect the phone to a VPN server.
That’s broken.
There is also another BLF issue that’s been discussed in this forum.

(Bob Reiber) #4

Do you have a link to these discussions? On the v82 firmware that my t42s is currently running the BLFs seem to work just fine but I haven’t tried the VPN.

(Avayax) #5

The OpenVPN issue has a few Yealink forum threads with no response and I have opened a ticket on it which is being worked on (hopefully).