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<h2><a href="https://wiki.asterisk.org/wiki/display/TOP/Project+Status">Project Status</a></h2>
<h4>Page <b>edited</b> by <a href="https://wiki.asterisk.org/wiki/display/~khunt">Ken Hunt</a>
</h4>
<br/>
<h4>Changes (4)</h4>
<div id="page-diffs">
<table class="diff" cellpadding="0" cellspacing="0">
<tr><td class="diff-snipped" >...<br></td></tr>
<tr><td class="diff-unchanged" >*** H.263, H.263+ <br>*** H.264 <br></td></tr>
<tr><td class="diff-changed-lines" >** Adaptive jitter buffering and packet loss concealment. <span class="diff-deleted-words"style="color:#999;background-color:#fdd;text-decoration:line-through;">(*Work started, but incomplete)</span> <span class="diff-added-words"style="background-color: #dfd;">^\[1\]^</span> <br></td></tr>
<tr><td class="diff-unchanged" >** Audio manipulation components (denoise, AGC, level adjustment, pitch shift, delay control, etc.). <br>*** MF <br></td></tr>
<tr><td class="diff-snipped" >...<br></td></tr>
<tr><td class="diff-unchanged" >** Bridging <br>*** Interconnection of bridges <br></td></tr>
<tr><td class="diff-changed-lines" >*** Injection of media towards one session in bridge, towards all sessions in bridge, or possibly to a subset of sessions in <span class="diff-deleted-words"style="color:#999;background-color:#fdd;text-decoration:line-through;">bridge (* Designed)</span> <span class="diff-added-words"style="background-color: #dfd;">bridge. ^\[2\]^</span> <br></td></tr>
<tr><td class="diff-changed-lines" >*** Extraction of media from one session in bridge, from all sessions in bridge, or possibly from a subset of sessions in <span class="diff-deleted-words"style="color:#999;background-color:#fdd;text-decoration:line-through;">bridge (* Designed)</span> <span class="diff-added-words"style="background-color: #dfd;">bridge. ^\[2\]^</span> <br></td></tr>
<tr><td class="diff-unchanged" >*** Mixing audio at highest quality possible for sessions in bridge <br>* Message-Oriented Communications <br>** SS7 <br>*** Short Message Service <br></td></tr>
<tr><td class="diff-added-lines" style="background-color: #dfd;"> <br>---- <br>^\[1\]^ - Work started, but incomplete or untested. <br>^\[2\]^ - Design completed. <br></td></tr>
</table>
</div> <h4>Full Content</h4>
<div class="notificationGreySide">
<p>This page will be updated periodically to describe the current state of the project in terms of implemented / tested features and those still to be addressed. </p>
<h1><a name="ProjectStatus-Implemented%28asofMay15%2C2012%29"></a>Implemented (as of May 15, 2012)</h1>
<ul>
<li>IPv4 and IPv6 for all IP-aware interfaces.</li>
<li>UTF-8 aware for all interfaces that can transport and manipulate such strings.</li>
<li>Transport security for all interfaces that can support it (TLS, SRTP).</li>
<li>Mechanisms to support non-transparent network connections when necessary (NAT, NAPT, etc.).
<ul>
<li>STUN, TURN, ICE</li>
<li>Document usage of Glacier2 with Asterisk SCF</li>
</ul>
</li>
<li>All components provide interfaces for dynamic configuration.</li>
<li>Active/passive failover (hot standby model using real-time state replication) in all core components.</li>
<li>Mechanisms for developers to be able to attach and retrieve their own information to all long-lived objects in the system.</li>
<li>Stable, version-controlled and well documented APIs for component developers.</li>
<li>Basic routing service and documentation to ease learning of the framework.</li>
<li>Service location mechanism that can take into account user-specified attributes when deciding on which component should service a request.</li>
<li>Session-Oriented Communications
<ul>
<li>SIP
<ul>
<li>SIP registrar service.</li>
</ul>
</li>
<li>Flexible (and dynamic) session capability negotiation</li>
<li>Telephone in-session events (but not telephony events)
<ul>
<li>DTMF</li>
<li>Hold/Unhold</li>
<li>Flash</li>
</ul>
</li>
<li>Party identification</li>
<li>Access to session quality metrics and statistics
<ul>
<li>RTCP</li>
</ul>
</li>
<li>Bridging
<ul>
<li>Support direct media paths for two-session bridges when available</li>
<li>Events indicating when sessions start and stop speaking (or similar)</li>
</ul>
</li>
</ul>
</li>
<li>Presence and Resource State Communications
<ul>
<li>API designed</li>
</ul>
</li>
<li>Media
<ul>
<li>Support for arbitrary sample rates, sample sizes and frame sizes.
<ul>
<li>G.711 u-Law and a-Law</li>
<li>G.722</li>
</ul>
</li>
<li>Recording and playback of media streams.</li>
<li>FAX transport using T.38 IFP payload format.</li>
<li>Media components support passthrough of user-defined media formats of known media types.</li>
</ul>
</li>
<li>Example implementations of various extension point hooks, interface decorators and other APIs in easily consumable languages.</li>
<li>Example component that listens to bridges and their sessions and shows how events and state changes can be seen.</li>
</ul>
<h1><a name="ProjectStatus-Planned"></a>Planned</h1>
<ul>
<li>Media
<ul>
<li>Connection of dissimilar media streams with transcoding/transrating as needed.
<ul>
<li>G.729A and AB</li>
<li>G.722.1 and .1C</li>
<li>Speex</li>
<li>OPUS</li>
<li>GSM-FR</li>
</ul>
</li>
<li>Transport and connect (not transcode/transrate) commonly used video formats
<ul>
<li>H.263, H.263+</li>
<li>H.264</li>
</ul>
</li>
<li>Adaptive jitter buffering and packet loss concealment. <sup>[1]</sup></li>
<li>Audio manipulation components (denoise, AGC, level adjustment, pitch shift, delay control, etc.).
<ul>
<li>MF</li>
<li>CNG, CED, ANSam, V.21</li>
<li>G.719</li>
<li>SILK</li>
</ul>
</li>
</ul>
</li>
<li>Party identification 'domains of trust'</li>
<li>Message-Oriented Communications
<ul>
<li>XMPP</li>
<li>SIP
<ul>
<li>MESSAGE</li>
</ul>
</li>
</ul>
</li>
<li>Presence and Resource State Communications
<ul>
<li>SIP
<ul>
<li>SUBSCRIBE, NOTIFY, PUBLISH</li>
<li>dialog-info, presence, message-summary</li>
</ul>
</li>
<li>XMPP</li>
</ul>
</li>
<li>Transport security for all interfaces that can support it (DTLS, ZRTP).</li>
<li>Session-Oriented Communications
<ul>
<li>ISDN
<ul>
<li>Primary Rate Interface</li>
<li>Q.SIG</li>
</ul>
</li>
<li>SS7
<ul>
<li>ISDN User Part</li>
</ul>
</li>
<li>MRCP
<ul>
<li>Automated Speech Recognition</li>
<li>Text To Speech</li>
</ul>
</li>
<li>Bridging
<ul>
<li>Interconnection of bridges</li>
<li>Injection of media towards one session in bridge, towards all sessions in bridge, or possibly to a subset of sessions in bridge. <sup>[2]</sup></li>
<li>Extraction of media from one session in bridge, from all sessions in bridge, or possibly from a subset of sessions in bridge. <sup>[2]</sup></li>
<li>Mixing audio at highest quality possible for sessions in bridge</li>
</ul>
</li>
</ul>
</li>
<li>Message-Oriented Communications
<ul>
<li>SS7
<ul>
<li>Short Message Service</li>
</ul>
</li>
</ul>
</li>
</ul>
<hr />
<p><sup>[1]</sup> - Work started, but incomplete or untested.<br/>
<sup>[2]</sup> - Design completed. </p>
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