The app doesnt include any VoIP service. You are free to configure it to be used with any SIP server or service provider.- Supports making SIP VoIP calls over LTE and WiFi- Speakerphone, Mute and Hold- DTMF Support- Ringtones- Contacts integration, add or edit contacts from within the app- Dial from Call History and Favorites-Free for non-commercial usage. No advertisements.
IPATS VOIP Softphone
