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Sylk Suite
Sylk Suite is a set of real-time communications applications using IETF SIP protocol and WebRTC specifications.·sylkserver.com
Sylk Suite is an open-source set of real-time communications applications built on the SIP protocol and WebRTC specifications, comprising a server plus desktop, mobile and web clients. It enables multimedia messaging, voice, and video conferencing with end-to-end encryption using zRTP and PGP. The server supports SIP and XMPP signaling, RTP/MSRP/WebRTC media planes, multiparty conferencing, file transfer and screen-sharing, and can be extended with custom applications using Python.
What it's for
Multiparty audio/video conferencingEnd-to-end encrypted instant messaging with offline storageVoice over IP callingFile transfer during sessionsScreen-sharingSIP to XMPP, SIP to WebRTC, and SIP to IRC gatewayMobile push notifications for SIP clientsBuilding custom real-time communications infrastructure
Features 17
- Conference participants list
- End-to-end encrypted messaging with offline storage (OpenPGP)
- Extensible via Python for custom applications
- File transfer via MSRP protocol
- Horizontally scalable using SIP Thor
- INVITE, MESSAGE, REFER, SUBSCRIBE, NOTIFY support
- Is-Composing indication and delivery notifications
- Mobile push notifications (Apple Push Notifications, Firebase Cloud Messaging)
- Multiparty conferencing with wideband audio
- NAT traversal via ICE
- RTP, MSRP and WebRTC media planes
- Screen-sharing
- SIP signaling over TLS, TCP and UDP
- SIP to XMPP, SIP to WebRTC, and SIP to IRC gateways
- SRTP encryption (SDES, ZRTP)
- Wideband (Opus, G722) and narrowband (G711, iLBC) codecs
- XMPP signaling and gateway