Description :
A modular SIP user-agent with support for audio and video, and many IETF standards such as SIP, SDP, RTP/RTCP and STUN/TURN/ICE for both, IPv4 and IPv6.
Additional modules provide support for audio codecs like Codec2, G.711, G.722, G.726, GSM, L16, MPA and Opus, audio drivers like ALSA, GStreamer, JACK Audio Connection Kit, Portaudio, and PulseAudio, video codecs like AV1, VP8 or VP9, video sources like Video4Linux, video outputs like SDL2 or X11, NAT traversal via STUN, TURN, ICE, and NAT-PMP, media encryption via TLS, SRTP or DTLS-SRTP, management features like embedded web-server with HTTP interface, command-line console and interface, and MQTT.
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