Yealink T48S Skype For Business Edition User Manual page 243

Uncheck Run automatically when starting Windows to cancel the auto-start feature.
3.
As shown below:
Why can't the phone pair with my Skype for Business client?
Ensure that your Skype for Business client is installed on your PC and a Skype for Business

user signs into Skype for Business Server successfully.
Ensure that the user signing on the phone is the same as the one signing on the Skype for

Business client.
Re-pair the phone and Skype for Business client manually.

Ensure that Yealink BToE Connector and application driver are successfully installed on

your PC, and both of them start successfully. If the phone still cannot pair with the Skype
for Business client, reboot the PC.
After reboot, if the phone still cannot pair with the Skype for Business client, uninstall the

Yealink BToE Connector and application driver, and then reinstall them.
Ensure that Yealink BToE Connector is an allowed program in your system's firewall on

your PC.
Why doesn't the phone display the Calendar menu?
Ensure that your phone has signed in successfully.

Why doesn't the Skype conference, appointment, meeting or event set up in outlook
display on the Calendar menu?
Ensure that your sign into the phone using
method.
Why can't I get a dial tone?
Check for any loose connections and that the phone has been installed properly.

Switch between the Handset, Headset (if present) or Hands-Free Speakerphone to check

whether the dial tone is present for one of the audio modes.
If the dial tone exists on another audio mode, connect a different handset or headset to
User Sign-in, Web Sign-In
Troubleshooting
or Signing in via PC
241