Print Join or start a conference using toll or toll-free number on the Android app Users can choose to dial in to the conference using toll or toll-free numbers. Log in to your account from the OpenVoice app for Android. If you don’t already have the app installed, download the OpenVoice app for Android. Tap the More icon next to the conference you want to join. Tap More phone numbers. A list of countries and their associated numbers will be displayed. Tap the desired country and its associated number to dial. Related Articles Join an OpenVoice Conference Join or start a conference on the Android app How do I join or start a conference from an iOS device? How do I join or start a conference using a toll or toll-free number?