Siemens optiPoint 500 economy User Manual page 66

Using Other Team Functions
Step by Step
>
#=Leave all groups?
>
*=Rejoin all groups?
66
or
:
Select and confirm.
This turns off the audible tone for all groups.
or
r
Enter the code for "Leave all groups".
or
:
Select and confirm.
This turns off the audible tone for all groups.
or
q
Enter the code for "Join all groups".