AASTRA 4420 IP Basic (SIP) for MX-ONE User Guide - Manual (Page 17)

17 Dialog 4420 IP Basic
Outgoing Calls
Outgoing Calls
Make calls
Note: You can dial your calls faster by using common
Speed Dialing numbers and by using your own
programmed function keys or preprogrammed Monitoring
keys. See section “ Speed Dialing ” on page 23 .
How to make internal and external calls: u
Lift the handset and proceed depending on call type:
Internal calls z
Dial the extension number.
Press
External calls 0
Dial the digit or digits to get an external line.
Dial tone.
Note: The particular digit or digits used in your office,
e.g.
0
or
00
. z
Dial the external number.
Press
d
or Replace the handset or press to end the call.