Hardware & Software Solutions
Fusion Embedded™ SIP StackEmbedded Session Initiation Protocol (SIP) Software Stack
The Fusion Embedded™ SIP stack is at the heart of Unicoi's Voice over Internet Protocol (VoIP) offering. Fusion Embedded SIP software stack is a lightweight, transport-independent, text-based protocol suite designed for use in IP phones, VoIP gateways, RoIP assets, and other IP-enabled products.
Fusion Embedded SIP stack source code is specifically designed for use in embedded devices, has a small footprint, and is completely ROMable and re-entrant. The Fusion Embedded SIP stack provides a simplified API for easy integration with the application and transport stack (TCP/IP/UDP).
Fusion Embedded SIP Stack Features
- Supports TCP and UDP
- Supports proxy and redirect servers
- Supports call hold, call waiting, call transfer, call forward, etc.
- SIP Message Generator: INVITE, ACK, BYE, OPTIONS, CANCEL, REGISTER, NOTIFY, SUBSCRIBE, INFO, and REFER
- SDP message generators
- User Agent Client and Server
- Timer manager
- SIP/SDP message parsers
- Configurable parameters for default SIP and RTP port numbers
- Presence
- Instant Messaging
- NAT Traversal
- IPV6
- Packetization parameters for controlling re-transmissions, number of connections, etc.
- Interfaces for PSTN/PBX system
- SIP response generator
- 100% ANSI C compliant SIP stack source code
- Secure SIP (SIPS) optional
RFC Compliance
- RFC 2617 (Basic and Digest Authentication)
- RFC 2976 (Info Method)
- RFC 3261 (SIP Version 2)
- RFC 3262 (Reliability of Provisional Responses in SIP)
- RFC 3263 (Locating SIP Servers)
- RFC 3265 (Specific Event Notification)
- RFC 3420 (Internet Media Type message/sipfrag)
- RFC 3515 (Refer Method)
- RFC 3842 (Message Summary and Message Waiting)
- RFC 3891 (The Session Initiation Protocol (SIP) Replaces Header)
- RFC 3892 (The Session Initiation Protocol (SIP) Referred-By Mechanism)
- RFC 3959 (Sender & Receiver Tables for Session Members)
IM & Presence
- RFC 2778 (A Model for Presence and Instant Messaging)
- RFC 3428 (Extensions for instant messaging)
- RFC 3856 (A presence Event Package for SIP)
- RFC 3857 (A Watcher Information Event Template Package for SIP)
- RFC 3858 (XML Based Format for Watcher information)
- RFC 3863 (A Presence information data format PIDF)
Media & RTP/RTCP
- RFC 1889 (RTP)
- RFC 1890 (RTCP)
- RFC 2327 (Session Description Protocol SDP)
- RFC 2508 (RTP Header Compression)
- RFC 3264 (Offer/Answer Model with SDP)
- RFC 3550 (RTP)
- RFC 3551 (RTCP)
- RFC 2833 (Out of Band DTMF Tones)
