Panasonic KX-T7636 Operator User Manual page 17

HOW TO FIND EXTENSION NUMBER (Display Handset Required)
(Connect display handset to the required Extension Number)

Press Program

Dial 00

Extension number will be displayed

Press Cancel
HOW TO FIND GROUP NUMBER (Display Handset Required)
(Connect display handset to the required Extension Number)

If more than one phone rings simultaneously then the main telephone number being
called has been setup in an Incoming Call Distribution Group (ICD).

To find the ICD group number call your advertised directory number from another
phone and the group number will be displayed on the LCD screen of the ringing
handset/ extension.
HOW TO CHANGE INTERCOM VOICE AUTO ANSWER / RING
Caller Control

Dial Extension Number

Dial * or Voice Soft Button (Switches Call to Voice Intercom)

Speak (Your voice will be heard over called parties handset speaker)
Called Party Control (above operation not required)

Press Auto Answer Key (LED illuminates Red)
HOW TO CHANGE RING HANDSET RING TONES
(Customise ring tone on individual handsets)

Press Program button

Press Intercom Button twice

Select ring tone from (01-30) (scroll through selection via Navi key on handset)

Press Auto Dial/Store Button
Page 13