Panasonic KX-TDA100D

SLT
Dial the other party's
extension number.
Talk to the
other party.
During a conversation
Press Recall/
hookswitch.
extension no.
OR
C.Tone
On-hook.
Press Recall/
hookswitch.
OR
User Manual 69
1.4.3 Talking to Two Parties Alternately (Call Splitting)