Yealink SIP-T42G

Troubleshooting
165
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 User Sign-in, Device Pairing for Online
or BToE Sign-in method.
Why can’t I get a dial tone?
 Check for any loose connections and that the phone has been installed properly.
For the installation instructions, refer to Phone Installation on page 13.
 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 isolate the problem.
Why doesn’t the phone ring?
Check the ringer volume on the phone. To adjust the ringer volume setting, press the
Volume key when the phone is on-hook and idle. For more information, refer to Volume
on page 42.
Why can’t I receive calls?
 Check that whether your status is DND mode, if it is, you should reset status. Refer to
Changing Presence Status on page 23.
 Check that whether call forward is disabled on the phone. Refer to Call Forward on
page 94.
Why does my handset not work?
Check that the handset cord is fully connected to both the handset jack on the phone
and handset. Refer to Phone Installation on page 13.
Why does my headset not work?
 Check that the headset cord is properly connected to the headset jack on the
phone. Refer to Phone Installation on page 13.
 Check that the headset mode is activated. Refer to Headset Use on page 63.
 Check that the headset volume is adjusted to an appropriate level. Refer to Volume
on page 42.