There are three ways to make an outbound call in the mobile app:
Before making a call, make sure you've selected the connection method that suits you best by tapping on the antenna icon (for Android) or the three dots (for iOS) in the upper right corner of the screen.
Tap on the country flag icon to change the country code for the destination number.
If you have two or more business phone numbers, you can select the desired number for outbound calling from the list.
Call button in the Journal
You can make an outbound call by clicking on the phone icon in the upper right corner of missed calls/voicemails and message screens.
Call button in the Contacts
You can call a contact by tapping on the phone icon in their card.