3.3.3. Grouping Contacts to perform group functions 
You can group contacts to execute group functions, like conference calls and group chat.
Select the contacts with the + button via the action bar. Click the 
button to open the action menu and select what group
function you want to initiate.
button to open the action menu and select what group
function you want to initiate.‣ Parent topic: Section 3.3. Contacts