Step 1 From the Directory Connector, go to Configuration, and then click Avatar.Step 2 Enter the Avatar URI Pattern—For example, http://www.example.com/dir/photo/zoom/{mail: .*?(?=@.*)}.jpgThe avatar URI pattern must be reachable from the internet....
Event Center is not designed to use as an audio only conferencing service but WebEx Personal Conference (PCN). However, a host can schedule an event and enable the following options:
a) Attendees can join X minutes before the scheduled start time
b) ...
Please visit http://kb.webex.com/WBX38280 and follow the instructions given under "Manually Removing WebEx" section. Hope this helps the Mac to rejoin WebEx meetings!