Panasonic KX-TD500 - Manual (Page 249)

Features
Programming Guide 249
5.5 Quick Dialling
Used to store up to eight Quick Dialling numbers.
Parameter Dial
Default All: Blank
Value Range Up to 24 digits consisting of 0-9, , #, F, P, S or "-" (hyphen)
Description/Function Specifies the phone number for Quick Dialling.
Note
• Any extension user can use Quick Dialling number simply
by dialling the feature number for "Quick Dial 1-8."
Reference • 1.7 Dialling Features (F/G)
– Quick Dialling
• 2.2.2 Easy Dialling (U/M)