If you are using certain newer telephones with expanded text label display capabilities, use the Increase Text Fields for Feature Buttons feature to program and store up to 13 character labels for associated feature buttons and call appearances. This feature is available for the following telephones:
2410 (Release 2 or newer)
2420 (Release 4 or newer)
4610 (IP Telephone Release 2.2 or later)
4620 (IP Telephone Release 2.2 or later)
4621 (IP Telephone Release 2.2 or later)
4622 (IP Telephone Release 2.2 or later)
4625 (IP Telephone Release 3.1 or later)
9600
96x1
J100