Adding Another Phone - Panasonic KX-TC1871ALB Operating Instructions Manual

Adding Another Phone

This unit will not function during a power failure. To connect a standard
telephone on the same line, use a telephone double adaptor.
For Australia
Standard
Telephone
(Optional)
To Socket
Telephone
Double Adaptor
For New Zealand
To Single-Line
Telephone Jack
T-Adaptor (Optional)
Telephone Line Cord
Standard
Telephone
Telephone
Line Cord
89