Panasonic KX-TC1220NZW - Manual (Page 53)

53
Useful Information
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) or a T-adaptor (for New Zealand).
Telephone
Line Cord
Standard Telephone
To
Socket
(Optional)
Telephone
Double Adaptor
For New Zealand
For Australia
To Single-Line
Telephone Jack
T-Adaptor (Optional)
Telephone Line Cord
Standard
Telephone