Panasonic BB-GT1540 Manual De Usuario

34

automatically when necessary. You can 
also turn this feature on or off manually.

Press {MENU} during an outside 
call.

Press {3} to select “Booster on” 
or “Booster off”.

Note:
L

When this feature is turned off 
manually during a call, it does not 
automatically turn on again during the 
same call.

L

While this feature is turned on:
– the battery operating time is 

shortened (page 20)

– the maximum number of extensions 

that can be used at a time may 
decrease

Call share N

This feature allows you to join an 
existing outside call.
When another unit is on an outside call, 
press {TEL} or {IP} to select the line that 
is being used for the call.
Note:
L

Multiple parties can join a conference 
call. The possible number of 
participating parties depends on the 
current system usage. When another 
participating party cannot join a 
conversation, the busy tone sounds 
and the handset displays “Busy”.

Call privacy N

Call privacy allows you to prevent other 
users from joining your conversations 
with outside callers. To allow other users 
to join your conversations, leave this 
feature off.

Press {MENU} during an outside 
call.

Press {2} to select “Privacy on” 
or “Privacy off”.

L

When this feature is turned on, 
“PRIV.” is displayed.

Note:
L

This feature will turn off after you hang 
up the call.

Using the other line, 
conference call N

When a call is being received on the 
other line during a conversation, the 
interrupt tones sound.
You can answer the 2nd call while 
holding the 1st call. You can also 
combine the landline call and internet 
call to make a conference call.
Example: If you are using the landline

Press {HOLD} 2 times to put the 1st 
call (landline) on hold.

Press {IP} to make or answer a 2nd 
call.
L

To hold the 2nd call, press 
{

HOLD} 2 times.

To hang up the 2nd call and 
return to the 1st call (landline):
Press {TEL}.
To make a conference call:
Press {CONF}.
L

To hang up only one line, press 
{

TEL} or {IP} for the party with 

which you want to continue 
talking.

L

To put both lines on hold, press 
{

HOLD}. To talk with only one 

caller, press {TEL} or {IP} for the 
party with which you want to 
continue talking. To resume both 
lines, press {CONF}.

Note:
L

If you subscribe to the Caller ID 
service, the 2nd caller’s information is 
displayed as the call is being received 
(page 43).

L

To turn the interrupt tone off, see page 
50.

GT15xx.book  Page 34  Monday, June 4, 2007  8:52 AM