There are 4 main buttons in the navigation at the bottom of the mobile app.
Once you start to make and receive calls, they will show up here. You can quickly dial someone back by selecting them from the list.
Dial by Number: Selecting this option will make a keypad appear. Make a call by entering the digits.
Search Contacts: This option will search all of your synced Podio contacts right from your mobile device. Select which contact first, and then you can select which phone number to call or text.
Includes Text Messages and Voicemail
For any groups you are involved in (based on the flows you are in)