Setting/Changing Names
This guide is only applicable to the below NEC telephone model.
Please refer to the NEC Telephone Guide.pdf attached for more information.
https://thumbs.gfycat.com/FrighteningBronzeKomododragon-mobile.mp4
Video-NEC-handset-setting-updating-displayed-staff-name
Press Speaker.
Enter 800
Enter your extension number (for example 275)
Enter desired name
Press Hold to confirm
Press Speaker to apply
Tip: Press # to confirm a letter if you are putting that letter more than once in a row.
Your name should now be set on the telephone, and should display on the home screen.
http://www.phonesystemwiki.com/wiki/Change_Name_on_Phone_Screen_NEC_Aspire