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¿µ¹®Ç¥Áظí ISDN User-Network Interface Layer 3 for Basic Call Control
Çѱ۳»¿ë¿ä¾à ÁÖ¿ä ³»¿ëÀ¸·Î´Â ±âÃÊÈ£ Á¦¾î¸¦ À§ÇÑ ISDN »ç¿ëÀÚ-¸Á ÀÎÅÍÆäÀ̽º °èÃþ 3 ±Ô°Ý¿¡ ´ëÇÑ Ç¥ÁØÀ¸·Î ISDN »ç¿ëÀÚ-¸Á ÀÎÅÍÆäÀ̽º¿¡¼­ ¸Á Á¢¼ÓÀÇ ¼³Á¤, À¯Áö º¸¼ö ¹× ÇØÁ¦¸¦ À§ÇÑ ÀýÂ÷µéÀ» ±ÔÁ¤ÇÑ´Ù. ÀÌ·¯ÇÑ ÀýÂ÷µéÀº ±âº» ¹× 1Â÷ ¼Óµµ ÀÎÅÍÆäÀ̽º ±¸Á¶ÀÇ D-ä³Î°ú Ç¥ÁØI.412[1]¿¡ Á¤ÀÇµÈ 1Â÷ ¼Óµµ ÀÎÅÍÆäÀ̽ºÀÇ E-ä³ÎÀ» ÅëÇؼ­ ±³È¯µÇ´Â ¸Þ½ÃÁöÀÇ Ç×µé·Î Á¤ÀǵȴÙ.
¿µ¹®³»¿ë¿ä¾à This is a standard for the interface between ISDN user and network for basic call control. It defines the procedure for network connection, maintenance and release. These procedures are defined by the message that is exchanged by E-channel of first speed interface which is defined at I.412[1].
±¹Á¦Ç¥ÁØ ITU-T Q.931
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Á¦Á¤ 1991-11-15 TTAS.IT-Q931
°³Á¤ 2005-06-29 TTAS.IT-Q931/R1

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