{"id":761,"date":"2010-03-10T18:53:39","date_gmt":"2010-03-10T17:53:39","guid":{"rendered":"http:\/\/ccievoice.ksiazek.be\/?p=761"},"modified":"2025-01-11T18:28:02","modified_gmt":"2025-01-11T17:28:02","slug":"video","status":"publish","type":"post","link":"https:\/\/collaboration.ksiazek.be\/?p=761","title":{"rendered":"Video"},"content":{"rendered":"<p>Call Manager 4.X supports video calls between SCCP and H323 endpoints. Call Manager can support point-to-point video calls between endpoints and if you want to enable the conferencing features then you need to use a Multioint Control Unit (MCU).<\/p>\n<p>Standard voice point-to-point calss involve two RTP streams, and video calls can involve up to six streams. 2 RTP streams for Audio, 2 RTP streams for Video and 2 RTP streams fro Far End Camera Control (FECC) (used for security purposes).<\/p>\n<p>The different video codec are :<\/p>\n<blockquote>\n<ul>\n<li>H261 : ITU standard which operates between 40 Kbps and 2Mbps and supports CIF 352 x 288 or Quarter CIF &#8211; QCIF 176 x 144<\/li>\n<li>H263 : It is a low bitrate codec used for SIP and H323 networks (MPEG-1 and MPEG-2)<\/li>\n<li>H264 : is a great improvement over H263, it is also known as MPEG-4 and Advanced Video Coding (AVC). It permits also the compression of the video in a distinctive way.<\/li>\n<li>Cisco proprietary wideband<\/li>\n<\/ul>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Call Manager 4.X supports video calls between SCCP and H323 endpoints. Call Manager can support point-to-point video calls between endpoints and if you want to enable the conferencing features then you need to use a Multioint Control Unit (MCU). Standard voice point-to-point calss involve two RTP streams, and video calls can involve up to six [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1,24,33],"tags":[59,294,295,296,107],"class_list":["post-761","post","type-post","status-publish","format-standard","hentry","category-non-classe","category-uncategorized","category-written-theory","tag-ccie-voice-written","tag-h261","tag-h263","tag-h264","tag-video"],"_links":{"self":[{"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=\/wp\/v2\/posts\/761","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=761"}],"version-history":[{"count":1,"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=\/wp\/v2\/posts\/761\/revisions"}],"predecessor-version":[{"id":4354,"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=\/wp\/v2\/posts\/761\/revisions\/4354"}],"wp:attachment":[{"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=761"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=761"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=761"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}