Ekiga. Free IP Telephony. LinuxTag 31 May Damien Sandras
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1 Ekiga Free IP Telephony LinuxTag 31 May 2008
2 Content (1) About Myself 30 Years of VoIP What is Ekiga The Ekiga Team History Why Standards? A Few Words About SIP
3 Content (2) Ekiga 3.00 Post-Ekiga 3.00 Demonstration Questions
4 About Myself (1) Graduated from the Université Catholique de Louvain FSA / INGI Open Source & Standards Advocate Author of Ekiga Co-Creator of FOSDEM GNOME Foundation Member Working for NOVACOM Contact mailto:dsandras@novacom.be sip:dsandras@voip.novacom.be
5 30 Years of VoIP (1) 1977 First VoIP Publication by D. Cohen, Issues in transnet packetized voice communication 1995 First Proprietary Solutions Running on the Market SIP standardization begins thanks Prof. H. Schulzrinne Late 90's Bitter SIP vs H.323 battles
6 30 Years of VoIP (2) 1999 RFC 2543 released 2000 SIP chosen for IMS (IP Multimedia Subsystem) IMS is an architectural framework for delivering IP multimedia to mobile users 2001 First sub-$-100 SIP IP Phones and adapters appear
7 30 Years of VoIP (3) 2002 SIP vs H.323 battle is over 3GPP R5 released with SIP Standard battlefield moves to presence: Jabber vs SIMPLE RFC 3261 is released 2004 SIP goes to consumers: freenet, 1x1, sipphone
8 30 Years of VoIP (4) 2005 Bigger providers roll out: T-mobile/PTT, T-Online-VoIP, BT Broadband, Increasing PBX deployment base Presence deployments in place
9 What is Ekiga? (1) A softphone for Regular users Corporate users Comparable to EyeBeam SJPhone Netmeeting...
10 What is Ekiga? (2) A pure VoIP/ToIP application Not aimed at being a simple chat application Telephony is important Message Waiting Indications Call Transfer Call Forwarding Call Hold IM & Presence Multiple Calls (coming soon) Call Pickup (via signalisation coming soon)
11 What is Ekiga? (3) A Video Conferencing Solution Interoperable with Hardware Vendors High-Quality Codecs Accelerated Full Screen Support
12 What is Ekiga? (4) But also a Simple Chat application Presence Instant Messaging PSTN-to-Ekiga Ekiga-to-PSTN
13 What is Ekiga? (5) Supports several standard protocols H.323 : old and mature SIP : since 2.00 SIP/SIMPLE : from 3.00 IAX2 : patch pending
14 The Ekiga Team (1) Growing and Growing and Growing... No Paid Developers People Driven by Passion All Areas Coders Documentation Servers Packagers
15 History (1) Academic project at the Université Catholique de Louvain First lines of code in December 2000
16 History (2) First release in July 2001, huge success
17 History (3) 1.00 release in March 2004
18 History (4) 2.00 release in March 2006
19 History (5) 3.00 release in 2008
20 Why Standards? Because of several good reasons They allow interoperability They are widespread They give the user the freedom to choose The user knows what happens with his data And... THEY WILL WIN THE BATTLE!
21 A Few Words About SIP (1) SIP in 2008 A fully working standard for IP Telephony More uses being added like gaming, messaging Many interoperable equipment Hard phone clients like SNOM, Polycom, CISCO, Mitel, Avaya,... Soft phone clients like Microsoft Windows Messenger, Ekiga, X- Lite,... Gateways like CISCO, Alcatel,... Servers like Asterisk, Hotsip, Ubiquity (Avaya),... Service providers like Vonage, SIPPhone, T-Online,... Fixed mobile convergence like Telio, Pirelli,...
22 A Few Words About SIP (2) A Full Definition of The components of an infrastructure User Agent Redirect Server Proxy Server Registrar Location Service Their interactions
23 A Few Words About SIP (3) A Full Definition of What other protocols are being used SDP : Media description RTP / RTCP : Media transport
24 A Few Words About SIP (4) The IETF Is a standardisation body Created many Internet Protocols : TCP/IP, SMTP, FTP, RTP, POP3,... The participation is open Participation from both data and telecom industry world Participation from academia Contributions from individuals
25 A Few Words About SIP (5) S in SIP Does NOT Stand for SIMPLICITY New RFCs : far too many New drafts : 133
26 A Few Words About SIP (6) Example of SIP trace : ----> INVITE < OK ----> ACK
27 A Few Words About SIP (7) Other VoIP protocols H.323 The oldest one IAX Open Source, but not a standard Everything on one port MGCP Skinny Skype (ouch!)
28 Ekiga 3.00 (1) Better modularity : UI / Backend separation Ekiga Engine Full C++ stack with various components for all features Reusable in other projects Ekiga GUI Depends on the Ekiga Engine Reacts to events thanks to signals
29 Ekiga 3.00 (2) Codecs improvements Available as plugins Better video codecs available H.261 H.263 H.264 MPEG4 Theora
30 Ekiga 3.00 (3) Codecs improvements, from H.261 to H.264
31 Ekiga 3.00 (4) Accelerated display XVideo DirectX Good fullscreen quality Non-accelerated display Pure X11
32 Ekiga 3.00 (5) Revamped User Interface Sexy Does not break people habits Suited to wide screens (MID's,...)
33 Ekiga 3.00 (6) Many user oriented enhancements Support for multiple network interfaces Dynamic addition/removal of audio devices video devices network interfaces
34 Ekiga 3.00 (7) Unsure features SRTP ZRTP (thanks to Phil Zimmermann and his team) TCP support
35 Post-Ekiga 3.00 (1) Multiple Calls Support Consultative Transfer IAX2 Support XCAP Support IPv6 Support Improved WIN32 Release
36 Demonstration
37 Questions?
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