Bosch GSM 1900 User Manual

Switching between calls
If you select  

, the active call

will be put on hold and the call on hold will now
be active. In this way you can switch between
your conversations.

Ending an active call while another is on hold
An active call can be ended by selecting  

. The held call will remain on

hold and you have to retrieve it to continue con-
versation.

Joining calls
If you have an active call and a call on hold at the
same time, you can select  

to

enable all of you to speak together.

Having a private call while others are on hold
If you have joined all calls and want to have a 
private conversation with one of the callers, 
select  

. The other calls will be put on

hold.

Ending a call put on hold
You can end the call put on hold by selecting

.

Transferring a call
If you have an active call and a call on hold you
can transfer the call without breaking the con-
nection by selecting  

so that

the other parties can continue speaking to each
other.

Calling a number in the phone book
During a conversation you can make a new call
to a number stored in your phone book by 
selecting  

.

Sending an SMS message
If you want to send a message to a third party 
select  

. 

To avoid making calls accidentally you can lock
the keypad. 

1. Press  

2. Press 

If you try to activate one of the keys, the display
will tell you that the keypad is locked. 

The keypad lock is automatically disabled 

– during an incoming call until you have finished

your conversation

– when the telephone is placed in the hands-free

car installation kit

1. Press  

2. Press 

User Guide 738/718 GB  29/04/99 9:58  Side 13