Linphone
Open source video SIP phone per desktop & mobile. Linphone features Core features Signaling SIP user agent compliant with RFC 3261 SIP/UDP, SIP/TCP, SIP/TLS Supports IPv6 Digest authentication Supports multiple calls simultaneously with call management features: hold on with music, resume, transfer… Multiple SIP proxy support: registrar, proxies, outbound proxies Text instant messaging with delivery … Leggi tutto