8.4.1: Numeric keys
Where provided, physical numeric keys arranged in a rectangular keypad layout shall have the number five key tactilely distinct from the other keys of the keypad.
Recommendation ITU‑T E.161 [i.20] describes the 12-key telephone keypad layout and provides further details of the form of tactile markers.
|Type of compliance||Inspection|
|Result||Pass: Check 1 is true
Fail: Check 1 is false