Calls - SIP VoIP Softphone APK para Android

Calls - SIP VoIP Softphone is a free application designed for making internet calls over Wi-Fi and mobile networks. It supports various transport protocols, including UDP and TCP, alongside multiple codecs such as g711, g722, g729, GSM, Speex, iLBC, and OPUS. Users can take advantage of features such as DTMF sending and call transfer, which enhance the calling experience. A notable aspect is its background service, enabling the reception of incoming calls even when the app is not actively in use.

In addition to its robust performance, the app offers support for TLS transport, ensuring secure communication. It effectively manages calls through background, foreground, and push notification services, ensuring that users remain connected without interruption. This combination of features makes Calls - SIP VoIP Softphone a practical choice for anyone seeking a reliable and flexible VoIP solution.