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Ç¥ÁعøÈ£ TTAE.IF-RFC4579 ±¸Ç¥ÁعøÈ£
Á¦°³Á¤ÀÏ 2009-12-22 ÃÑÆäÀÌÁö 42
ÇѱÛÇ¥Áظí SIP(Session Initiation Protocol) UA(User Agent)¿¡¼­ÀÇ È¸ÀÇ ÅëÈ­ È£ Á¦¾î
¿µ¹®Ç¥Áظí Session Initiation Protocol (SIP) Call Control - Conferencing for User Agents
Çѱ۳»¿ë¿ä¾à ÀÌ Ç¥ÁØÀº SIP(Session Initiation Protocol)¿¡ ´ëÇÑ È¸ÀÇÅëÈ­ È£ Á¦¾î ±â´ÉÀ» Á¤ÀÇÇÑ´Ù. º» Ç¥ÁØÀº ±âÁ¸ ȸÀÇÅëÈ­ ¿ä±¸»çÇ×[14]°ú ÇÁ·¹ÀÓ¿öÅ© ¹®¼­[8]¸¦ ±â¹ÝÀ¸·Î ÀÛ¼ºµÇ¾î ±ä¹ÐÇÏ°Ô °áÇÕµÈ SIP ȸÀÇ ÅëÈ­°¡ µ¿ÀÛÇÏ´Â ¹æ¹ýÀ» Á¤ÀÇÇÑ´Ù. º» Ç¥ÁØÀº ȸÀÇÅëÈ­ ºñÀÎÁö, ȸÀÇÅëÈ­ ÀÎÁö ¹× ȸÀÇ°ü¸®ÀÚ UA¿Í °°Àº ¿©·¯ ÇüÅÂÀÇ UA(User Agent) °üÁ¡¿¡¼­ ±â¼úµÈ´Ù. ȸÀÇÅëÈ­¿¡¼­ URI(Uniform Resource Identifier), ´É·Â ¹ß°ßÀ» À§ÇÑ OPTIONS ¹× REFER¸¦ »ç¿ëÇÑ È£Á¦¾î¿¡ ´ëÇؼ­ È£ È帧µµ¿¡ »ó¼¼È÷ ¼³¸íÇÑ´Ù. Isfocus ±â´É ÅÂ±× »ç¿ë¹æ¹ýµµ Á¤ÀÇÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à This specification defines conferencing call control features for the Session Initiation Protocol (SIP). This document builds on the Conferencing Requirements and Framework documents to define how a tightly coupled SIP conference works. The approach is explored from the perspective of different user agent (UA) types: conference- unaware, conference-aware, and focus UAs. The use of Uniform Resource Identifiers (URIs) in conferencing, OPTIONS for capabilities discovery, and call control using REFER are covered in detail with example call flow diagrams. The usage of the isfocus feature tag is defined.
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