Siemens CX203isdn - Manual (Page 20)

19
Making calls
SX303/353isdn / englisch / A31008-X353-B100-2-7619 / telephony.fm / 14.11.2005
Making calls
Making external calls and ending a call
External calls are calls using the public telephone network. Two external calls can be
made at the same time on your base station.
Making an internal call
Internal calls are calls
◆ between the base station and a terminal registered on the base station.
◆ between terminals registered on the same base station.
They are toll-free. Three internal calls can be made at the same time on your base
station.
You can either call a specific terminal or call all the other registered internal users at the
same time ("group call").
either ... Immediate dialling:
c
Lift the receiver.
~
Enter the telephone number. The phone number is
dialled.
or ... Block dialling:
~
Enter the telephone number.
c
Lift the receiver. The phone number is dialled.
End the call:
a
Replace the receiver.
i
◆ Replace the receiver to cancel dialling.
◆ If Dial handsfree is activated (page 101), you can also dial and make
calls without lifting the receiver. Dial the number and handsfree mode
is activated.
◆ If you have previously assigned a function key accordingly (page 114),
you can also use that function key to dial.
◆
i If you receive a call during an internal call or group call, the call is not
interrupted. You will hear a call waiting tone.