2 MbN: Select the desired cellularphone. a MSELECTNR The call is transferred to thehandset.Using the other line during aconversationYou can handle a cellular call and alandline call at the same time. Whenanother call is being received during aconversation, the interrupt tone sounds(page 43), and the 2nd caller’sinformation is displayed if you subscribeto Caller ID (page 49). You cananswer the 2nd call while holding the 1stcall.Making/answering a cellular callduring a conversation on the landline1 Press MMENUN during a landline call.2 MbN: “Hold” a MSELECTN3 To make a 2nd call:Dial the phone number. aMCELLN*1 a MbN: Select the desiredcellular phone. a MSELECTN*1 The unit starts dialing when:– only 1 cellular phone isregistered.– a specific line is set to makecellular calls (page 22).To answer a 2nd call:MCELLNR To hold the 2nd call: MMENUN aMbN: “Hold” a MSELECTN4 To hang up the 2nd call and returnto the 1st call (landline call), pressMOFFN, then press M N.Making/answering a landline callduring a conversation on a cellular line1 Press MMENUN during a cellular call.2 MbN: “Hold” a MSELECTN3 To make a 2nd call:Dial the phone number. a M NTo answer a 2nd call:M NR To hold the 2nd call: MMENUN aMbN: “Hold” a MSELECTN4 To hang up the 2nd call and returnto the 1st call (cellular call), pressMOFFN, then press MCELLN.Power back-upoperationAvailable for:KX-TG7641 series (page 3)When a power failure occurs, thecharged handset temporarily suppliespower to the base unit (power back-upmode). This allows you to make andreceive landline calls using a handsetduring a power failure. The base unit willnot perform any other functions.However, some functions such as CallerID and shared phonebook are availableonly when using a handset other thanthe handset supplying power to the baseunit. You can program “Powerfailure” and the default setting is“Auto” (page 44).Important:R If a handset is not placed on the baseunit when a power failure occurs,“Base no power Press OFF” isdisplayed. After pressing MOFFN onthe handset, place it on the base unitto start power back-up mode.R Power back-up mode will not work ifthe battery level of the powersupplying handset is or .R Do not lift the power supplyinghandset from the base unit duringpower back-up mode.28 For assistance, please visit http://www.panasonic.com/helpMaking/Answering Calls Using the Handset