User guide

Telephoning14
Operating Forum IPhone 545 SIP Telephone
Telephoning
Calling
1. In order to establish a connection,
– pick up the handset or
– press the handsfree key , to make the following call in
the handsfree mode (see Handsfree / Open-Listening Mode
starting on page 24).
2. Dial a call number:
– Enter the call number. Press the
Dial softkey.
– Or: Press the redial key to call back a previously dialled
call number (see page 15).
– Or: Press the function key with the phone book function (see
Phone Book starting on page 28). This function is for selecting
a call number from the phone book of the Forum 500 /
Forum 5000 communications system.
The display shows a picture (photo) of the user called if an image
has been saved on the Forum 500 / Forum 5000 communications
system (please refer to page 54).
Calling with Selective Line Seizure
If multiple trunk keys are configured for your telephone, you can
seize a line selectively.
1. Press a trunk key / / to seize a specific line.
2. Dial a call number (see page 14).
Note: If the administrator has linked a trunk key / /
with a SIP user account, you will be calling under the call
number of the SIP user account. If the trunk key is not linked, the
call number of trunk key 1 is used.