Panasonic KX-TG6643B Operating Instructions Manual page 18

Making/Answering Calls
R While an outside call is on hold, the
SP-PHONE indicator on the base unit
flashes.
Mute
While mute is turned on, you can hear
the other party, but the other party
cannot hear you.
Handset
1
Press MMUTEN during conversation.
R MMUTEN flashes.
2
To return to the conversation, press
MMUTEN again.
Note:
R MMUTEN is a soft key visible on the
handset display during a call.
Base unit
1
Press MMUTEN during conversation.
R The SP-PHONE indicator flashes.
2
To return to the conversation, press
MMUTEN again.
Flash
Handset /
MFLASHN allows you to use the special
features of your host PBX such as
transferring an extension call, or
accessing optional telephone services.
Note:
R To change the flash time, see
page 29.
For call waiting or Call
Waiting Caller ID service users
To use call waiting or Call Waiting Caller
ID, you must first subscribe with your
service provider/telephone company.
This feature allows you to receive calls
while you are already talking on the
18 For assistance, please visit http://www.panasonic.com/help
Base unit
phone. If you receive a call while on the
phone, you will hear a call waiting tone.
If you subscribe to both Caller ID and
Call Waiting with Caller ID services,
the 2nd caller's information is displayed
on the handset or base unit that is in use
after you hear the call waiting tone.
Handset /
*1 KX-TG6641 series: page 3
1
Press MCALL WAITN to answer the
2nd call.
2
To switch between calls, press
MCALL WAITN.
Note:
R Please contact your service provider/
telephone company for details and
availability of this service in your area.
Temporary tone dialing (for
rotary/pulse service users)
You can temporarily switch the dialing
mode to tone when you need to access
touch-tone services (for example,
answering services, telephone banking
services, etc.).
Handset /
*1 KX-TG6641 series: page 3
Press * (TONE) before entering
access numbers which require tone
dialing.
Handset clarity booster
This feature can improve sound clarity
when the handset is used in an area
where there may be interference. During
an outside call, this feature is turned on
automatically when necessary.
R When this feature is turned on,
is displayed.
*1
Base unit
*1
Base unit