<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<base href="https://wiki.asterisk.org/wiki" />
<title>Message Title</title>
<style type="text/css">@media only screen and (max-device-width: 480px) {.mobile-only {
width: auto !important;
height: auto !important;
overflow: visible !important;
line-height: normal !important;
font-size: inherit !important;
mso-hide: all;
}
.desktop-only {
display: none !important;
}
/* iPhone 3GS fix for unwanted 20px right margin */
body { min-width: 100% !important; padding: 0; margin: 0; }
#center-content-table { max-width: none; !important; }
#header-pattern-container { padding: 10px 10px 10px 10px !important; line-height: 20px !important; }
#header-avatar-image-container { padding-right: 8px !important; }
#email-content-container { padding: 0 !important; }
.mobile-expand { border-radius: 0 !important; border-left: 0 !important; border-right: 0 !important; padding-left: 26px !important;}
.mobile-resize-text { font-size: 16px !important; line-height: 22px !important; }
#page-title-pattern-header { font-size: 20px !important; line-height: 28px !important; }
#page-title-pattern-icon-image-container-cell { padding-top: 7px !important; }
#inline-user-pattern { display: block !important; }
#inline-user-pattern-avatar { padding-top: 3px !important; }
.contextual-area-pattern { border-bottom: 1px solid #ccc !important; padding: 15px 10px 0 10px !important;}
.users-involved-pattern-column-table { width: 100% !important; }
.users-involved-pattern-avatar-table-cell { padding: 3px 5px 5px 0 !important; }
.users-involved-pattern-column-container { padding-right: 0 !important; }
.contextual-excerpt-pattern, #users-involved-pattern { border: 0 !important; }
/** Aui Typography upsized for mobile **/
#content-excerpt-pattern-container, #contextual-excerpt-pattern-text-container { font-size: 16px !important; line-height: 22px !important; }
#content-excerpt-pattern-container h1, #contextual-excerpt-pattern-text-container h1 { font-size: 24px !important; line-height: 28px !important; }
#content-excerpt-pattern-container h2, #contextual-excerpt-pattern-text-container h2 { font-size: 20px !important; line-height: 28px !important; }
#content-excerpt-pattern-container h3, #contextual-excerpt-pattern-text-container h3 { font-size: 18px !important; line-height: 24px !important; }
#content-excerpt-pattern-container h4, #contextual-excerpt-pattern-text-container h4 { font-size: 16px !important; line-height: 22px !important; }
#content-excerpt-pattern-container h5, #contextual-excerpt-pattern-text-container h5 { font-size: 14px !important; line-height: 20px !important; }
#content-excerpt-pattern-container h6, #contextual-excerpt-pattern-text-container h6 { font-size: 14px !important; line-height: 20px !important; }
.user-mention { line-height: 18px !important; }
/** Aui Typography end **/
/* Show appropriate footer logo on mobile, display links vertically */
#footer-pattern { padding: 15px 10px !important; }
#footer-pattern-logo-desktop-container { padding: 0 !important; }
#footer-pattern-logo-desktop { width: 0 !important; height: 0 !important; }
#footer-pattern-logo-mobile {
padding-top: 10px !important;
width: 30px !important;
height: 27px !important;
display: inline !important;
}
#footer-pattern-text {
display: block !important;
}
#footer-pattern-links-container { line-height: 0 !important;}
.footer-pattern-links.mobile-resize-text,
.footer-pattern-links.mobile-resize-text,
#footer-pattern-text.mobile-resize-text,
#footer-pattern-links-container.no-footer-links {
font-size: 14px !important;
line-height: 20px !important;
}
.footer-link { display: block !important; }
#footer-pattern-links-container table { display: inline-block !important; float: none !important; }
#footer-pattern-links-container, #footer-pattern-text { text-align: center !important; }
#footer-pattern-links { padding-bottom: 5px !important; }
/** Team Calendar overrides, these should be removed when notifications are updated in Team Calendars. For now CSS
overrides are being used because the structure of the content can't change without rereleasing the plugin */
.mail-calendar-container .day-header + table tr td:first-child {
vertical-align: top !important;
padding-top: 5px !important;
}}
@media (min-width: 900px) {#center-content-table { width: 900px; }}
@media all {#outlook a {padding:0;} /* Force Outlook to provide a "view in browser" menu link. */
/* Prevent Webkit and Windows Mobile platforms from changing default font sizes.*/
body{-webkit-text-size-adjust:100%; -ms-text-size-adjust:100%;}
.ExternalClass {width:100%;} /* Force Hotmail to display emails at full width */
#background-table {margin:0; padding:0; width:100% !important; }
/* Needed to override highlighting on date and time links in iOS */
.grey a {color: #707070; text-decoration: none; }/* These styles are appended to the head element of a notification in order to prevent Apple Mail and similar
clients from underlining the due dates with a blue hyperlink */
/* a lozenge outside an inline task should always be #333, lozenges inside an inline task should be
colored according to their upcoming due dates, a completed task date lozenge or deleted task date
lozenge should always be #707070 */
.date-time-lozenge a {color: #333333; text-decoration: none; }
.inline-task-text-container .date-time-lozenge.date-upcoming a {color: #DF6F00; text-decoration: none; }
.inline-task-text-container .date-time-lozenge.date-past a {color: #D04437; text-decoration: none; }
.inline-task-text-container.content-deleted-color .date-time-lozenge a,
.inline-task-text-container.checked .date-time-lozenge a {
color: #707070; text-decoration: none;
}}
</style>
</head>
<body>
<table id="background-table" cellpadding="0" cellspacing="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; background-color: #f5f5f5">
<tbody>
<tr>
<td id="header-pattern-container" style="padding: 0px; border-collapse: collapse; padding: 10px 20px">
<table id="header-pattern" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333">
<tbody>
<tr>
<td id="header-avatar-image-container" valign="top" style="padding: 0px; border-collapse: collapse; vertical-align: top; width: 32px; padding-right: 9px"><a href="https://wiki.asterisk.org/wiki/display/~gjoseph?src=email" style="color: #3b73af; text-decoration: none"><img id="header-avatar-image" class="image_fix" src="cid:avatar_56b2a47747d2721d6dcf26979b4b605a" height="32" width="32" border="0" style="border-radius: 3px; vertical-align: top" /></a></td>
<td id="header-text-container" valign="middle" style="padding: 0px; border-collapse: collapse; vertical-align: middle; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px">George Joseph <strong>edited</strong> a page</td>
</tr>
</tbody>
</table> </td>
</tr>
<!-- End Header pattern -->
<tr>
<td id="email-content-container" style="padding: 0px; border-collapse: collapse; padding: 0 20px">
<table id="email-content-table" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; border-spacing: 0; border-collapse: separate">
<tbody>
<tr>
<td class="email-content-rounded-top mobile-expand" style="padding: 0px; border-collapse: collapse; color: #fff; padding: 0 15px 0 16px; height: 15px; background-color: #fff; border-left: 1px solid #ccc; border-top: 1px solid #ccc; border-right: 1px solid #ccc; border-bottom: 0; border-top-right-radius: 5px; border-top-left-radius: 5px"> </td>
</tr>
<tr>
<td class="email-content-main mobile-expand" style="padding: 0px; border-collapse: collapse; border-left: 1px solid #ccc; border-right: 1px solid #ccc; border-top: 0; border-bottom: 0; padding: 0 15px 15px 16px; background-color: #fff">
<table id="page-title-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333">
<tbody>
<tr>
<td id="page-title-pattern-icon-image-container" valign="top" style="padding: 0px; border-collapse: collapse; width: 16px; vertical-align: top">
<table cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333">
<tbody>
<tr>
<td id="page-title-pattern-icon-image-container-cell" style="padding: 0px; border-collapse: collapse; width: 16px; padding: 9px 8px 0px 0px; mso-text-raise: 5px; mso-line-height-rule: exactly"><a href="https://wiki.asterisk.org/wiki/display/AST/External+Media+and+ARI?src=email" title="page icon" style="vertical-align: top;; color: #3b73af; text-decoration: none"><img style="vertical-align: top; display: block;" src="cid:page-icon" alt="page icon" title="page icon" height="16" width="16" border="0" /></a></td>
</tr>
</tbody>
</table> </td>
<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" id="page-title-pattern-header-container"><span id="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"><a href="https://wiki.asterisk.org/wiki/display/AST/External+Media+and+ARI?src=email" title="External Media and ARI" style="color: #3b73af; text-decoration: none">External Media and ARI</a></span></td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td class="email-content-main mobile-expand" style="padding: 0px; border-collapse: collapse; border-left: 1px solid #ccc; border-right: 1px solid #ccc; border-top: 0; border-bottom: 0; padding: 0 15px 15px 16px; background-color: #fff">
<table class="content-excerpt-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px">
<tbody>
<tr>
<td class="content-excerpt-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 0 24px"> <p class="diff-context-placeholder" style="margin: 10px 0 0 0; margin-top: 0">...</p> <p class="diff-block-context" style="margin: 10px 0 0 0">Asterisk 16.6 introduces a new method to allow interaction with an external media server. Using the new "/channels/externalMedia" ARI resource, an application developer can direct media to a proxy service of their own development that in turn can, for instance, forward the media to a cloud speech recognition provider for analysis. </p> <h2 id="ExternalMediaandARI-SimpleSpeechRecognitionScenario:" class="diff-block-target" style="margin: 10px 0 0 0; font-size: 20px; font-weight: normal; line-height: 30px; margin: 40px 0 0 0"> <span style="color: rgb(133,120,102);"><span class="diff-html-changed" id="changed-diff-0" style="background-color: #d6f0ff;">Simple </span><span class="diff-html-added" id="added-diff-0" style="font-size: 100%; background-color: #ddfade;">Speech Recognition </span><span class="diff-html-changed" id="changed-diff-1" style="background-color: #d6f0ff;">Scenario:</span></span> </h2> <p class="diff-block-context" style="margin: 10px 0 0 0"></p>
<table class="diff-macro bodyless" style="background-color: #f0f0f0;border: 1px solid #dddddd;margin: 10px 1px;padding: 0 2px 2px;width: 100%;margin: 5px 0; padding: 0; width: auto;; border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333">
<thead>
<tr>
<th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://wiki.asterisk.org/wiki/s/en_GB/5639/a252d7f5e75d7a8bf7047b4b2c92f71a56a8f048.48/_/plugins/servlet/confluence/placeholder/macro-icon?name=gliffy" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Gliffy Diagram</th>
</tr>
</thead>
<tbody>
<tr>
<td class="diff-macro-properties" style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;padding: 0; border: 1px solid #dddddd;; padding: 0px; border-collapse: collapse">
<table style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333">
<tbody>
<tr>
<td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; padding: 0px; border-collapse: collapse"></td>
<td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; padding: 0px; border-collapse: collapse"></td>
</tr>
<tr>
<td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; padding: 0px; border-collapse: collapse">name</td>
<td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; padding: 0px; border-collapse: collapse">Simple Scenario</td>
</tr>
</tbody>
</table> </td>
</tr>
</tbody>
</table> <p style="margin: 10px 0 0 0"></p> <p class="diff-block-context" style="margin: 10px 0 0 0"> </p> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-added" id="added-diff-1" style="font-size: 100%; background-color: #ddfade;">In this scenario, your ARI application creates a new External Media channel supplying some basic parameters like media destination and format, then adds that channel to an existing bridge.</span> <span class="diff-html-added" id="added-diff-2" style="font-size: 100%; background-color: #ddfade;">The channel driver then forwards all media from the bridge to the destination you specified. Your application takes the media and re-encapsulates it to match the requirements of your chosen speech recognition provider. What you do with the result is up to you. You could store it offline for later retrieval or you could send it to a browser application for real-time display as subtitles, etc.</span> </p> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-added" id="added-diff-3" style="font-size: 100%; background-color: #ddfade;">The External Media channel can also inject media into a bridge it's a member of so you can play progress messages, music, IVR menus, etc.</span> </p> <h1 id="ExternalMediaandARI-Implementation" class="diff-block-target diff-block-context" style="margin: 10px 0 0 0; font-size: 24px; font-weight: normal; line-height: 30px; margin: 40px 0 0 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Implementation</span> </h1> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">To create an External Media channel, you make an ARI </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">POST</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> request to </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">/channels/externalMedia</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">.</span> <span class="diff-html-added" id="added-diff-4" style="font-size: 100%; background-color: #ddfade;">Asterisk will then return a standard ARI Channel object to you.</span> </p> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-added" id="added-diff-5" style="font-size: 100%; background-color: #ddfade;">Parameters:</span> </p>
<div class="table-wrap diff-block-target diff-block-context" style="margin: 10px 0 0 0; overflow-x: auto">
<table class="confluenceTable" style="border-collapse: collapse; border: 1px solid #ddd;; border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; border-collapse: collapse; margin: 10px 0 0 0; overflow-x: auto; margin-top: 0">
<tbody>
<tr>
<th class="confluenceTh" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;background-color: #F0F0F0; font-weight: bold;; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left; background-color: #f0f0f0; font-weight: bold"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Parameter</span></th>
<th class="confluenceTh" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;background-color: #F0F0F0; font-weight: bold;; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left; background-color: #f0f0f0; font-weight: bold"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Description</span></th>
</tr>
<tr>
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">channelId</span></td>
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">(optional) A unique ID to assign to the channel. One will be generated by Asterisk if not supplied.</span></td>
</tr>
<tr>
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">app</span></td>
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">(required) The Stasis application.</span></td>
</tr>
<tr>
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">variables</span></td>
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">(optional) A JSON object containing any variables you wish added to the channel.</span></td>
</tr>
<tr>
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">external_host</span></td>
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">(required) The media destination as </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"><host>:<port></span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">. You can supply an IP address or hostname for </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">host</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">.</span> <br /> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Be aware though that DNS queries must be done synchronously so the response to the post request may be delayed.</span></td>
</tr>
<tr>
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">encapsulation</span></td>
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">(optional) The media encapsulation desired.</span> <br /> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">With the first release of this capability, only </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">rtp</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> is supported as an encapsulation and that is the default if not supplied. Others may be supported in the future.</span> <br /> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">The </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">rtp</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> encapsulation will produce packets with a standard </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">rtp</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> header.</span> </p> </td>
</tr>
<tr>
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">transport</span></td>
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">(optional) The network transport desired.</span> <br /> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">With the first release of this capability, only </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">UDP</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> is supported and that is the default if not supplied.</span> <br /> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">In the future, it's expected that TCP, TLS and WebSockets will be supported.</span> </p> </td>
</tr>
<tr>
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">connection_type</span></td>
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">(optional) The connection type (client/server) desired.</span> <br /> <span><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">With the first release of this capability, only </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">client</span></code></span><span><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> is supported and that is the default if not supplied. In this mode, Asterisk initiates the connection to the external host.</span> <br /> </span><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">When </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">server</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> is supported, Asterisk will return an ip address and port in the response for your application to connect to to receive the media.</span> </p> </td>
</tr>
<tr>
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">format</span></td>
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">(required) The format/codec you wish the media to be encoded in.</span> <br /> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Any standard format/codec supported by Asterisk is supported here. For example: </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">ulaw</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">, </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">g722</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">, etc.</span> <br /> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">There is no negotiation. The format you specify is the format you'll get. </span> <br /> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">The channel driver will automatically transcode the bridge's native media into this format.</span> </p> </td>
</tr>
</tbody>
</table>
</div> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">All parameters except </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">variables</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> can be supplied as part of the POST's query string.</span> <span class="diff-html-added" id="added-diff-6" style="font-size: 100%; background-color: #ddfade;">Because it's a JSON object, </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">variables</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> MUST be supplied on the request body. This is similar to other channel creation calls.</span> </p> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-added" id="added-diff-7" style="font-size: 100%; background-color: #ddfade;">An example request:</span> </p>
<table class="diff-macro diff-html-added diff-block-target diff-block-context" style="background-color: #f0f0f0;border: 1px solid #dddddd;margin: 10px 1px;padding: 0 2px 2px;width: 100%;background-color: #ddfade;border-color: #93c49f;; border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333">
<thead>
<tr>
<th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://wiki.asterisk.org/wiki/s/en_GB/5639/a252d7f5e75d7a8bf7047b4b2c92f71a56a8f048.48/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</span></th>
</tr>
</thead>
<tbody>
<tr>
<td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; padding: 0px; border-collapse: collapse"> <pre style="margin: 10px 0 0 0; margin-top: 0">
<span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">POST /channels/externalMedia?app=MyApp&external_host=127.0.0.1%3A60000&format=ulaw
# The %3A is the encoding for the ':' host/port separator.</span>
</pre> </td>
</tr>
</tbody>
</table> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">The returned object will be a standard Channel object that can be operated on like any other channel. The most common scenario will be to add it to a bridge. Once you're done with the channel, simply DELETE it to hang it up.</span> </p> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">You will automatically be subscribed to events for this channel so you'll see events like StasisStart, Dial(ANSWER), ChannelEnteredBridge, ChannelVarset etc.</span> </p> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">The underlying channel technology for the </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">rtp/udp</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> encapsulation and transport is the existing UnicastRTP (chan_rtp) channel driver so you'll see ChannelVarset events for the </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">UNICASTRTP_LOCAL_ADDRESS</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> and </span><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">UNICASTRTP_LOCAL_PORT</span></code><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> channel variables which will contain the ip address and port Asterisk is using for the channel. You'll use these should you need to inject media into the bridge the External Media channel is a member of.</span> </p> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> </span> </p> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> </span> </p> </td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td class="email-content-main mobile-expand action-padding last-row-padding" style="padding: 0px; border-collapse: collapse; border-left: 1px solid #ccc; border-right: 1px solid #ccc; border-top: 0; border-bottom: 0; padding: 0 15px 15px 16px; background-color: #fff; padding-bottom: 10px; padding-bottom: 10px">
<table id="actions-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px">
<tbody>
<tr>
<td id="actions-pattern-container" valign="middle" style="padding: 0px; border-collapse: collapse; padding: 15px 0 0 24px; vertical-align: middle">
<table align="left" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333">
<tbody>
<tr>
<td class="actions-pattern-action-icon-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 0px; vertical-align: middle"><a href="https://wiki.asterisk.org/wiki/display/AST/External+Media+and+ARI?src=email" title="View page Icon" style="color: #3b73af; text-decoration: none"><img class="actions-pattern-action-icon-image" height="16" width="16" border="0" title="View page Icon" src="cid:com.atlassian.confluence.plugins.confluence-email-resources%3Aview-page-email-adg-footer-item%3Aicon" alt="View page Icon" style="vertical-align: middle" /></a></td>
<td class="actions-pattern-action-text-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 4px; padding-left: 5px; white-space: nowrap"><a href="https://wiki.asterisk.org/wiki/display/AST/External+Media+and+ARI?src=email" title="View page" style="color: #3b73af; text-decoration: none">View page</a></td>
<td class="actions-pattern-action-bull" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 4px; color: #999; padding: 0 5px">•</td>
</tr>
</tbody>
</table>
<table align="left" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333">
<tbody>
<tr>
<td class="actions-pattern-action-icon-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 0px; vertical-align: middle"><a href="https://wiki.asterisk.org/wiki/display/AST/External+Media+and+ARI?showComments=true&showCommentArea=true&src=email#addcomment" title="Add comment Icon" style="color: #3b73af; text-decoration: none"><img class="actions-pattern-action-icon-image" height="16" width="16" border="0" title="Add comment Icon" src="cid:com.atlassian.confluence.plugins.confluence-email-resources%3Aadd-comment-to-content-email-adg-footer-item%3Aicon" alt="Add comment Icon" style="vertical-align: middle" /></a></td>
<td class="actions-pattern-action-text-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 4px; padding-left: 5px; white-space: nowrap"><a href="https://wiki.asterisk.org/wiki/display/AST/External+Media+and+ARI?showComments=true&showCommentArea=true&src=email#addcomment" title="Add comment" style="color: #3b73af; text-decoration: none">Add comment</a></td>
<td class="actions-pattern-action-bull" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 4px; color: #999; padding: 0 5px">•</td>
</tr>
</tbody>
</table>
<table style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333">
<tbody>
<tr>
<td class="actions-pattern-action-icon-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 0px; vertical-align: middle"><a href="https://wiki.asterisk.org/wiki/plugins/likes/like.action?contentId=42012050&src=email" title="Like Icon" style="color: #3b73af; text-decoration: none"><img class="actions-pattern-action-icon-image" height="16" width="16" border="0" title="Like Icon" src="cid:com.atlassian.confluence.plugins.confluence-like%3Aview-email-adg-content-item%3Aicon" alt="Like Icon" style="vertical-align: middle" /></a></td>
<td class="actions-pattern-action-text-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 4px; padding-left: 5px; white-space: nowrap"><a href="https://wiki.asterisk.org/wiki/plugins/likes/like.action?contentId=42012050&src=email" title="Like" style="color: #3b73af; text-decoration: none">Like</a></td>
</tr>
</tbody>
</table> </td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td class="email-content-rounded-bottom mobile-expand" style="padding: 0px; border-collapse: collapse; color: #fff; height: 5px; line-height: 5px; padding: 0 15px 0 16px; background-color: #fff; border-bottom-right-radius: 5px; border-bottom-left-radius: 5px; border-top: 0; border-left: 1px solid #ccc; border-bottom: 1px solid #ccc; border-right: 1px solid #ccc; mso-line-height-rule: exactly"> </td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td id="footer-pattern" style="padding: 0px; border-collapse: collapse; padding: 12px 20px">
<table id="footer-pattern-container" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333">
<tbody>
<tr>
<td id="footer-pattern-links-container" width="100%" style="padding: 0px; border-collapse: collapse; color: #999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px">
<table align="left" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px">
<tbody>
<tr>
<td class="footer-pattern-links mobile-resize-text" style="padding: 0px; border-collapse: collapse"><a href="https://wiki.asterisk.org/wiki/users/removespacenotification.action?spaceKey=AST&src=email" title="" style="color: #3b73af; text-decoration: none">Stop watching space</a></td>
<td class="footer-pattern-links-bull" style="padding: 0px; border-collapse: collapse; padding: 0 5px; color: #999">•</td>
</tr>
</tbody>
</table>
<table style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px">
<tbody>
<tr>
<td class="footer-pattern-links mobile-resize-text" style="padding: 0px; border-collapse: collapse"><a href="https://wiki.asterisk.org/wiki/users/editmyemailsettings.action?src=email" title="" style="color: #3b73af; text-decoration: none">Manage notifications</a></td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td id="footer-pattern-text" class="mobile-resize-text" width="100%" style="padding: 0px; border-collapse: collapse; color: #999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px; display: none">This message was sent by Atlassian Confluence 5.6.6</td>
</tr>
</tbody>
</table> </td>
</tr>
</tbody>
</table>
<table id="sealed-section" border="0" cellpadding="0" cellspacing="0" width="0" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; display: none">
<tbody>
<tr>
<td style="padding: 0px; border-collapse: collapse; border: 0; font-size: 0px; line-height: 0; mso-line-height-rule: exactly"></td>
</tr>
</tbody>
</table>
</body>
</html>