Go to Google Play Store:  Search for “c123”  or “company123” 

Please download the Android app from Google Play under “C123” or “Company123”.




Please download the iOS app from Apple Store under “C123”.  (Approved on October 4, 2018)


  • Your meeting organization will provide you with the user ID, which is usually your email address and your password.
  • If you belong to two different private organizations, the system will prompt you to choose which one to work on.
  • If your organization is using its own private server rather than the public one, press “Server” button on the lower right hand corner.  Instead of “Automatic”, choose “Private” and the Organization’s Server Name.