Panasonic KX-TD500 System Reference Manual page 439

Operation
Without lifting the handset, press the desired line
access button listed below and perform an
appropriate dialing operation:
• SP-PHONE button
• PDN button
• Private CO button
By pressing the SP-PHONE button
1. Press the SP-PHONE button.
• The indicator on the SP-
PHONE button lights in red.
The indicator on the PDN
button lights in green.
• You hear dial tone 1, 3, or 4.
2. Dial the telephone number of the
other party.
By using the PDN button
1. Press the PDN button.
• The indicator on the SP-
PHONE button lights in red.
The indicator on the PDN
button lights in green.
• You hear dial tone 1, 3, or 4.
2. Dial the telephone number of the
other party.
By using the Private CO button
1. Press the Private CO button.
• The indicator on the SP-
PHONE button lights in red.
The indicator on the Private
CO button lights in green.
• You hear dial tone 1.
2. Dial the telephone number of the
outside party.
• Single CO button
• Group CO button
By using the Single CO button
1. Press the Single CO button.
• The indicator on the SP-
• You hear dial tone 1.
2. Dial the telephone number of the
external party.
By using the Group CO button
1. Press the Group CO button.
• The indicator on the SP-
• You hear dial tone 1.
2. Dial the telephone number of the
external party.
4-C-5
PHONE button lights in red.
The indicator on the Single CO
button lights in green.
PHONE button lights in red.
The indicator on the Group CO
button lights in green.