Xcom Dial

Xcom Mobile Dialer is a lightweight SIP Dialer that supports App to PSTN calling. Multi-platform support of Ini enables VoIP service providers to provide services to users. Xcom mobile dialer offers numerous customizable features which ensure uninterrupted global communication with crystal clear voice quality.
Feautures:
1.Internet connection – 2G/ 3G/ 4G/5G/ Wi-Fi
2,SIP for controlling the communication sessions,and IP PBX or any SIP standard SoftSwitch
3.Supported OS versions – iOS: 6 or later
4.RFC 3261 compliant
5.Audio codecs – G.729, G.711 (PCMA/ PCMU) can be enabled if needed.
6.UDP and TCP transport