Up to 25 attendees can call into a session from the phone. If the maximum number of dial-in attendees has been reached, nobody else can call in.
There are 3 ways to obtain the dial-in phone number for a Collaborate session.
From in the session:
If you have joined a session on a browser and want to use your phone for audio, open the Session menu and select Use your phone for audio. Select the number listed and enter the temporary personal identification number (PIN).
On iPhones, the PIN is inputted for you. You don't need to write it down first.
With this personal PIN, you appear as yourself in the session. This PIN is associated with your personal account. Don't share it with anyone.
From the list of sessions:
Select the name of the session you want to call into. Select the Anonymous dial-in information from the menu.
Your device calls into the session. You appear as an anonymous caller to other attendees in the session.
From dial-in information sent to you:
Call the number and enter the Anonymous dial-in PIN sent to you. You appear as an anonymous caller to other attendees in the session.