Yealink SIP-T38G - Manual (Page 122)

User Guide for the SIP-T38G IP Phone
112
Why doesn’t the phone ring?
Check the ringer volume on your 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 32 .
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 Do Not
Disturb (DND) on page 75 .

Check call forward feature is disabled on the phone. Refer to Call Forward on page
76 .

Check whether the caller number is stored in the blacklist directory. Refer to Blacklist
on page 39 .
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
Phone Installation on page 12 .
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
Phone Installation on page 12 .

Check to ensure that the headset mode is activated. Refer to Headset Use on page
47 .

Check to ensure that the headset volume is adjusted to an appropriate level. Refer
to
Volume on page 32 .
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.