Sign-In - Yealink SIP-T48G Administrator's Manual

To configure backlight via phone user interface (take SIP-T22P IP phones for example):
1. Press Menu->Settings->Basic Settings->Backlight.
2. Press or
Backlight Time field.
3. Press the Save soft key to accept the change.
To configure the backlight via web user interface (take SIP-T48G IP phones for example):
1. Click on Settings->Preference.
2. Select the desired value from the pull-down list of Backlight Inactive Level.
3. Select the desired value from the pull-down list of Backlight Active Level.
4. Select the desired value from the pull-down list of Backlight Time(seconds).
5. Click Confirm to accept the change.
To configure the backlight via phone user interface (take SIP-T48G IP phones for
example):
1. Tap ->Basic->Display->Backlight.
2. Select the desired level from the pull-down list of Backlight Active Level.
3. Select the desired value from the pull-down list of Backlight Inactive Level.
4. Select the desired time from the pull-down list of Backlight Time.
5. Tap to accept the change or tap
Lync users are authenticated against Microsoft Active Directory Domain Service. The
following two sign-in methods are supported on the phone:
User Credentials: This method uses the user's credentials to sign in to Lync server. It

is available on the phone user interface and web user interface.
PIN Authentication: This method uses the user's phone number (or extension) and

, or the Switch soft key to select the desired value from the
Configuring Basic Features
to cancel.
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