Snom 220 - Manual (Page 33)

Advanced Functions
33
In this case, an additional entry “SW Update” can be found in the snom
menu.
Pressing the
/ENTER key reboots your phone after a few seconds.
During boot-up the phone asks you whether or not it should proceed
with the boot loader and/or firmware update.
Additional PBX Features
When the phone is set up to use H.323 protocol, additional PBX features
are available if they are enabled.
Pickup
If someone else’s phone is ringing and you want to pick up the call on
your own phone, press the
key or the function key at the
idle screen to scroll to the second set of available function keys. Then
press the function key .
Conference
If the phone is connected with two calls, one on hold and one active, by
pressing function key all three involved phones can be connected
in a conference.
By pressing function key
the conference will be disconnected.