SipFeatures
Version 108 (Adrian Georgescu, 01/27/2010 11:54 pm)
1 | 78 | Adrian Georgescu | = Library Features = |
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2 | 1 | Adrian Georgescu | |
3 | 2 | Adrian Georgescu | [[TOC(WikiStart, Sip*, depth=2)]] |
4 | 2 | Adrian Georgescu | |
5 | 83 | Adrian Georgescu | SIP SIMPLE client is a Software Development Kit for easy development of Real Time Applications based on SIP and related protocols for Presence, Audio, Instant Messaging (IM), File Transfers and Desktop Sharing. Other media types can be easily added by using an extensible high-level API. |
6 | 49 | Adrian Georgescu | |
7 | 95 | Adrian Georgescu | The software has undergone in the past years several interoperability tests at [http://www.sipit.net SIPIT] and today is of industry strength quality. |
8 | 85 | Adrian Georgescu | |
9 | 108 | Adrian Georgescu | To see ''SIP SIMPLE client SDK'' features in action you can try [http://icanblink.com Blink], a fully featured and easy to use SIP client. |
10 | 107 | Adrian Georgescu | |
11 | 80 | Adrian Georgescu | == General Features == |
12 | 1 | Adrian Georgescu | |
13 | 96 | Adrian Georgescu | * Written in Python Programming Language |
14 | 97 | Adrian Georgescu | * Non-blocking Asynchronous API |
15 | 94 | Adrian Georgescu | * TLS Security for both signaling (SIP) and media planes (MSRP, XCAP) |
16 | 97 | Adrian Georgescu | * Multiple Media Types per Session (e.g. Audio + Instant Messaging + Desktop Sharing) |
17 | 97 | Adrian Georgescu | * Trace capability for all underlying protocols |
18 | 107 | Adrian Georgescu | * Highly integrated middleware including a configuration framework |
19 | 75 | Adrian Georgescu | |
20 | 1 | Adrian Georgescu | The library has cross platform capabilities on Linux OS, Mac OSX (Leopard and Snow Leopard) and Microsoft Windows (roadmap). The library should work with minimal changes on any platform that supports C and Python development environments. |
21 | 94 | Adrian Georgescu | |
22 | 94 | Adrian Georgescu | == Location Discovery == |
23 | 1 | Adrian Georgescu | |
24 | 76 | Adrian Georgescu | * [http://tools.ietf.org/html/rfc3263 RFC3263] next hop resolution lookup |
25 | 98 | Adrian Georgescu | * Bonjour multicast DNS [http://tools.ietf.org/html/draft-lee-sip-dns-sd-uri-03] (work in progress) |
26 | 97 | Adrian Georgescu | * Failover for DNS lookups, SIP next hop routing and MSRP relay reservation |
27 | 75 | Adrian Georgescu | * Other lookup mechanisms can be easily added (e.g. P2PSIP or DHT) |
28 | 92 | Adrian Georgescu | |
29 | 81 | Adrian Georgescu | The library uses a separated from the core lookup mechanism for the next hop routing. This important feature allows the library to be used for building SIP clients that operate in combination with any SIP provider (by employing RFC 3263 DNS lookups), in a server-less LAN operation (using Bonjour protocol) or integrated into a network overlay developed by a third party (e.g. P2PSIP overlay). |
30 | 76 | Adrian Georgescu | |
31 | 75 | Adrian Georgescu | == SIP Transport == |
32 | 1 | Adrian Georgescu | |
33 | 107 | Adrian Georgescu | * Multiple SIP Accounts support |
34 | 94 | Adrian Georgescu | * Automatically handles changes of System IP Address |
35 | 1 | Adrian Georgescu | * Session Initiation Protocol [http://tools.ietf.org/html/rfc3261 RFC3261] |
36 | 1 | Adrian Georgescu | * Support for UDP, TCP and TLS transports |
37 | 1 | Adrian Georgescu | |
38 | 104 | Adrian Georgescu | SIP stack is provided by [http://www.pjsip.org PJSIP]. |
39 | 103 | Adrian Georgescu | |
40 | 1 | Adrian Georgescu | == SDP Negotiation == |
41 | 1 | Adrian Georgescu | |
42 | 69 | Adrian Georgescu | * Session Description Protocol [http://tools.ietf.org/html/rfc4566 RFC4566] |
43 | 69 | Adrian Georgescu | * An Offer/Answer Model with Session Description Protocol (SDP) [http://tools.ietf.org/html/rfc4566 RFC4566] |
44 | 108 | Adrian Georgescu | * Supports re-INVITE for adding and removing media streams to existing sessions |
45 | 1 | Adrian Georgescu | |
46 | 46 | Adrian Georgescu | Supported media types: |
47 | 67 | Adrian Georgescu | |
48 | 94 | Adrian Georgescu | * Audio/VoIP (RTP/sRTP with or without ICE and STUN) |
49 | 94 | Adrian Georgescu | * Instant Messaging over MSRP (with or without MSRP relay support) |
50 | 94 | Adrian Georgescu | * File Transfer over MSRP (with or without MSRP relay support) |
51 | 94 | Adrian Georgescu | * Desktop Sharing (VNC over MSRP) |
52 | 71 | Adrian Georgescu | |
53 | 94 | Adrian Georgescu | All media types can be combined together in the same SIP session. |
54 | 69 | Adrian Georgescu | |
55 | 76 | Adrian Georgescu | == NAT Traversal == |
56 | 69 | Adrian Georgescu | |
57 | 1 | Adrian Georgescu | * SIP Signaling: Symmetric Response Routing Symmetric media [http://tools.ietf.org/html/rfc3581 RFC3581] and Keep-alive |
58 | 102 | Adrian Georgescu | * Audio and Video (RTP media) : STUN - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs) [http://tools.ietf.org/html/rfc3489 RFC3489] and Interactive Connectivity Establishment (ICE): A Methodology for NAT Traversal for Offer/Answer Protocols [http://www.ietf.org/internet-drafts/draft-ietf-mmusic-ice-19.txt draft-ietf-mmusic-ice-19] |
59 | 69 | Adrian Georgescu | * Instant Messaging and File Transfer (MSRP media): MSRP protocol relay extension [http://tools.ietf.org/html/rfc4976 RFC4976] |
60 | 1 | Adrian Georgescu | |
61 | 103 | Adrian Georgescu | == RTP == |
62 | 69 | Adrian Georgescu | |
63 | 1 | Adrian Georgescu | * A Transport Protocol for Real-Time Applications [http://tools.ietf.org/html/rfc3550 RFC3550] |
64 | 1 | Adrian Georgescu | * Real Time Control Protocol (RTCP) attribute in Session Description Protocol (SDP) [http://tools.ietf.org/html/rfc3605 RFC3605] |
65 | 1 | Adrian Georgescu | * The Secure Real-time Transport Protocol (SRTP) [http://tools.ietf.org/html/rfc3711 RFC3711] |
66 | 103 | Adrian Georgescu | * Timeout Detection |
67 | 103 | Adrian Georgescu | |
68 | 103 | Adrian Georgescu | == Audio == |
69 | 103 | Adrian Georgescu | |
70 | 103 | Adrian Georgescu | * Generation and parsing of RFC 2833/telephone-events payload in both RTP and SDP [http://tools.ietf.org/html/rfc2833 RFC2833] |
71 | 103 | Adrian Georgescu | * Software Echo Cancelation (based on Speex MDF algorithm) |
72 | 1 | Adrian Georgescu | * Conference Bridge |
73 | 96 | Adrian Georgescu | * Wav Player and Recorder |
74 | 101 | Adrian Georgescu | * Wide-band Internet codecs: Speex, G722 |
75 | 101 | Adrian Georgescu | * PSTN compatible codecs: G711, iLBC, GSM |
76 | 65 | Adrian Georgescu | |
77 | 55 | Adrian Georgescu | == Presence == |
78 | 3 | Adrian Georgescu | |
79 | 99 | Adrian Georgescu | All server-side features have been built-in and tested with [http://opensips.org OpenSIPS] Presence Agent. |
80 | 91 | Adrian Georgescu | |
81 | 69 | Adrian Georgescu | * SIP Specific Event Notification [http://tools.ietf.org/html/rfc3265 RFC3265] |
82 | 105 | Adrian Georgescu | * Presence Data Model [http://tools.ietf.org/html/rfc3863 RFC3863], [http://tools.ietf.org/html/rfc3379 RFC3379], [http://tools.ietf.org/html/rfc4479 RFC4479] |
83 | 66 | Adrian Georgescu | * Watcher-info [http://tools.ietf.org/html/rfc3857 RFC3857], [http://tools.ietf.org/html/rfc3858 RFC3858] |
84 | 105 | Adrian Georgescu | * Common Policy [http://www.tools.ietf.org/html/rfc4745 RFC4745] |
85 | 100 | Adrian Georgescu | * Rich Presence Extensions [http://tools.ietf.org/html/rfc4480 RFC4480] |
86 | 1 | Adrian Georgescu | * Contact Information for the Presence Information Data Format [http://tools.ietf.org/html/rfc4482 RFC4482] |
87 | 100 | Adrian Georgescu | * User Agent Capability Extension to Presence Information Data Format [http://tools.ietf.org/html/rfc5196 RFC5196] |
88 | 107 | Adrian Georgescu | * Timed Presence Extensions [http://tools.ietf.org/html/rfc4481 RFC4481] (roadmap) |
89 | 89 | Adrian Georgescu | |
90 | 89 | Adrian Georgescu | == XCAP == |
91 | 91 | Adrian Georgescu | |
92 | 99 | Adrian Georgescu | All server-side features have been built-in and tested with [http://openxcap.org OpenXCAP] server. |
93 | 89 | Adrian Georgescu | |
94 | 105 | Adrian Georgescu | * XCAP Protocol [http://www.tools.ietf.org/html/rfc4825 RFC4825] |
95 | 105 | Adrian Georgescu | * Presence Rules [http://www.tools.ietf.org/html/rfc5025 RFC5025] |
96 | 105 | Adrian Georgescu | * Dialog Rules (custom application modelled after Presence rules) |
97 | 105 | Adrian Georgescu | * Resource Lists [http://www.tools.ietf.org/html/rfc4826 RFC4826] |
98 | 105 | Adrian Georgescu | * RLS Services [http://www.tools.ietf.org/html/rfc4826 RFC4826] |
99 | 1 | Adrian Georgescu | * PIDF manipulation [http://www.tools.ietf.org/html/rfc4827 RFC4827] |
100 | 105 | Adrian Georgescu | * XCAP Diff [http://www.ietf.org/internet-drafts/draft-ietf-simple-xcap-diff-09.txt draft-ietf-simple-xcap-diff-09] |
101 | 98 | Adrian Georgescu | * OMA specification ''org.openmobilealliance.xcap-directory'' |
102 | 98 | Adrian Georgescu | * OMA specification ''oma_status.icon'' |
103 | 68 | Adrian Georgescu | |
104 | 58 | Adrian Georgescu | == Instant Messaging == |
105 | 73 | Adrian Georgescu | |
106 | 69 | Adrian Georgescu | * Common Presence and Instant Messaging (CPIM): [http://tools.ietf.org/html/rfc3862 RFC 3862] |
107 | 1 | Adrian Georgescu | * Session Initiation Protocol (SIP) Extension for Instant Messaging [http://tools.ietf.org/html/rfc3428 RFC3428] |
108 | 1 | Adrian Georgescu | * MSRP protocol [http://tools.ietf.org/html/rfc4975 RFC4975] |
109 | 1 | Adrian Georgescu | * Indication of Message Composition for Instant Messaging [http://tools.ietf.org/html/rfc3994 RFC3994] |
110 | 107 | Adrian Georgescu | * Message summary event package [http://tools.ietf.org/html/rfc3842 RFC3842] |
111 | 1 | Adrian Georgescu | |
112 | 77 | Adrian Georgescu | == File Transfer == |
113 | 1 | Adrian Georgescu | |
114 | 106 | Adrian Georgescu | * MSRP File Transfer [http://tools.ietf.org/html/rfc5547 RFC5547] |
115 | 1 | Adrian Georgescu | |
116 | 1 | Adrian Georgescu | == Desktop Sharing == |
117 | 1 | Adrian Georgescu | |
118 | 1 | Adrian Georgescu | * Variation of [http://tools.ietf.org/html/draft-garcia-mmusic-sdp-collaboration-00 draft-garcia-mmusic-sdp-collaboration-00] using RFB over MSRP |
119 | 76 | Adrian Georgescu | |
120 | 1 | Adrian Georgescu | == Conferencing == |
121 | 1 | Adrian Georgescu | |
122 | 107 | Adrian Georgescu | * Conference Event Package [http://tools.ietf.org/html/rfc4575 RFC4575] |
123 | 98 | Adrian Georgescu | * MSRP ad-hoc multi-party chat sessions [http://tools.ietf.org/html/draft-ietf-simple-chat-05 draft-ietf-simple-chat-05] (work in progress) |