https://help.webex.com/en-us/article/8khhgk/Webex-App-Sync-your-contacts-with-your-mobile-device-contacts
Webex App | Sync your contacts with your mobile device contacts
You can sync your contacts from the app to your contacts on your Android device. This way, you can go to the contacts on your phone and initiate a Webex App...
sync your contactswebex appmobiledevice