How to call a contact?
To call a contact
1. Open the Bigin app on your smartphone.
2. Navigate to the Contacts 
module.
3. Tap on the contact record you wish to call.
4. In the Info screen that opens, select the Call 
button that can be found under the contact's name and company information.
Note: If call logging is enabled on your device, you can log the call after it has been completed.