Yealink SIP T42G Manual page 97

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Why can't I receive calls?
Check the SIP registration with your system administrator.
Check DND (Do Not Disturb) mode is turned off on your phone. Refer to
Disturb (DND) on page 59.
Check call forward feature is disabled on the phone. Refer to
page 61.
Check whether the caller number is stored in the blacklist directory. Refer to
Blacklist on page 32.
Why is my handset not working?
Check to ensure that the handset cord is fully connected to both the handset jack on
the phone and handset. Refer to
Why is my headset not working?
Check to ensure that the headset cord is fully connected to the headset jack on
the phone. Refer to
Check to ensure that the headset mode is activated. Refer to
page 35.
Check to ensure that the headset volume is adjusted to an appropriate level. Refer
to Volume on page 23.
How to change the user password?
You can change the user password via web user interface:
1. Click on Security->Password.
2. Enter the current user password in the Current Password field.
3. Enter the new user password in the New Password field and Confirm Password field.
4. Click Confirm to accept the change.
You can also contact your system administrator for help.
How to reboot the phone?
To reboot the IP phone via web user interface:
1. Click on Settings->Upgrade.
2. Click Reboot to reboot the IP phone.
Note
Any reboot of your phone may take a few minutes.
Phone Installation
Phone Installation on page 11.
Troubleshooting
Do Not
Call Forward
on page 11.
Headset Use
on
on
89