Topcom 575s - Manual (Page 7)

Butler 575
7
4 OPERATION TELEPHONE
4.1 Answering Incoming Calls
The user can accept an incoming internal or external call by pressing the Hookswitch
button. The INT (internal incoming call) or the EXT (external incoming call) symbol
blinks on the display. As soon as the call is accepted, the symbol stabilizes on the
display. In the event of internal calls, only the called handset will ring and show a
flashing INT symbol. The number of the calling handset is displayed on the left hand
side of the display. In the case of an external call, all free handsets will ring and all
handsets (free or busy) will show a flashing EXT symbol.
4.2 Outgoing Calls
4.2.1 External outgoing calls
• When you want to make a phone call, press the Hookswitch button .
• The following symbol is displayed .
• You will hear the dial tone and “EXT“ appears on the display.
• Enter the telephone number. After 10 sec. the call duration is shown on the display.
• To end the call, press the Hookswitch button .
• After the call, the display shows the call duration for another two seconds.
4.2.2 External Call Setup with Dial Preparation
• Enter the desired telephone number.
• Press the Hookswitch button.
During the dialling, the number can be corrected by pressing the Erase button .
The maximum number of digits you can enter is 25. If the user tries to enter more
than 25 digits, an error tone is generated and the excessive digits are ignored.
4.2.3 Redial
The last three dialled numbers are saved in the Redial memory. They can be called
by pressing the Redial button [R/P].
• Press the Redial button repeatedly to step through the different numbers in the
Redial memory.
• Press the Hookswitch button .
The Redial button also functions as a Pause button (see 4.4 Pause).