Using Function Keys; Example 1: Calling A Saved Number; Example 2: Activating/Deactivating Call Waiting Toggle; Example 3: Immediate Ring - Unify OpenScape Desk Phone IP 55G User Manual

Programmable function keys 97

Using function keys

The use of programmed functions depends on the phone's status. The relevant
display appears once you have pressed a function key.

Example 1: Calling a saved number

Prerequisite: The idle menu is shown on the display.
Press the function key for a saved number. The connection is set up.
Example 2: Activating/deactivating Call Waiting
toggle
You can press a key to activate or deactivate call waiting functionality, even dur-
ing a call. The prerequisite for this is that a second call is allowed ( Page 109).

A second call is allowed by default.
Press the "Call Waiting toggle" function key. The function key extinguishes. The
second call function is deactivated. The call is rejected or forwarded.

Example 3: Immediate ring

This function allows you to switch the preset delay ( Page 148) on and off for

all line keys. By default the delay is set, the key does not illuminate.
Press the "Immediate ring" function key. The function key illuminates. The delay
ringtone is disabled. An incoming call rings immediately regardless of what delay
time is configured.