Yealink SIP-T54S Administrator's Manual page 272

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
phone_setting.incoming_call.horizontal_roll_interval
Description:
Configures the interval (in milliseconds) for the IP phone to horizontally scroll the caller
information when the phone is ringing.
Note: It is not applicable to CP860 IP phones.
Web User Interface:
None
Phone User Interface:
None
To configure call display features via web user interface:
Click on Settings->Call Display.
1.
Select the desired value from the pull-down list of Display Contact Photo.
2.
Select the desired value from the pull-down list of Display Called Party Information.
3.
Select the desired value from the pull-down list of Call Information Display Method.
4.
Click Confirm to accept the change.
5.
246
Parameters Permitted Values Default
Integer from 100
to 2000
500