Panasonic KX-TG7731C Operating Instructions Manual page 30

Making/Answering Calls Using the Base Unit
2
To make a 2nd call:
MSP-PHONEN a Dial the phone number.
To answer a 2nd call:
MSP-PHONEN
R To hold the 2nd call, press MHOLDN.
3
To hang up the 2nd call and return to the
1st call (cellular call), press
MSP-PHONEN, then press MCELL 1N or
MCELL 2N.
30
TG7731_41C_(en-en)_1207_ver.021.30 30 2011/12/07 19:53:59