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¾ÖµåÆÅÀÇ Radio over IP ¼Ö·ç¼ÇÀº ¸ðÅä·Î¶ó ¹«Àü±â °°Àº ±âÁ¸ÀÇ ¹«Àü±â¸ÁÀ» IP ³×Æ®¿öÅ©À» ÅëÇÏ¿© Ǫ½Ã-Åõ-ÅäÅ©(Push-to-Talk) ±×·ì ÄÝ ¼ºñ½º¸¦ Á¦°øÇÏ´Â ¼Ö·ç¼ÇÀÔ´Ï´Ù. SIP ±â¹ÝÀÇ RoIP Ǫ½Ã-Åõ-ÅäÅ© ±×·ì ÄÝ ¼Ö·ç¼ÇÀº IP-PBX (IPNext3000), PTT ¼¹ö(AP-PTS3000), LMR °ÔÀÌÆ®¿þÀÌ, PTT IP Àüȱ⠱׸®°í ³×Æ®¿öÅ© ¸Å´ÏÁö¸ÕÆ® ½Ã½ºÅÛ NMS (Network Management System) À¸·Î ±¸¼ºµÇ¾î ÀÖ½À´Ï´Ù. ƯÈ÷ LMR VoIP °ÔÀÌÆ®¿þÀÌ´Â ¸ðÅä·Î¶ó VHF ¹«Àü±â °°Àº ·¹°Å½Ã ¹«Àü±â¸¦ IP ¸ÁÀ¸·Î ¿¬µ¿½ÃÄÑÁÖ´Â ·£µå Åõ ¸ð¹ÙÀÏ °ÔÀÌÆ®¿þÀÌ ½Ã½ºÅÛÀÔ´Ï´Ù. °íÁ¤Çü ŸÀÔÀÇ ¹«Àü±â´Â Ç¥ÁØ E&M ÀÎÅÍÆäÀ̽º¸¦ »ç¿ëÇϰųª Ä¿½ºÅÒ ÀÎÅÍÆäÀ̽º¸¦ »ç¿ëÇÕ´Ï´Ù. ¾ÖµåÆÅ RoIP Ǫ½Ã-Åõ-ÅäÅ© ±×·ì ÄÝ ¼Ö·ç¼ÇÀº IP ±â¹ÝÀ¸·Î ¼³°èµÇ¾úÀ¸¸ç ÀÏ´ëÀÏ ÅëÈ ¶Ç´Â ±×·ìÄÝ ÅëÈ ¼ºñ½º¸¦ À§Ä¡¿¡ »ó°ü¾øÀÌ ÀÎÅͳÝÀÌ ¿¬°áµÈ Áö¿ªÀÌ¸é ¾îµðµç »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. ÀÌ ¼Ö·ç¼ÇÀÇ ÀåÁ¡Àº ±âÁ¸ÀÇ ¶óµð¿À ½Ã½ºÅÛ°ú ÀåÁ¡À» ±×´ë·Î »ç¿ëÇÏ¸é¼ IP ³×Æ®¿öÅ©·Î Á¤ÇÕÇÏ¸é¼ ¹«¼±¸Á Ä¿¹ö¸®Áö¸¦ VoIP ±â¼úÀ» »ç¿ëÇÏ¿© Àü¼¼°è ¾îµðµçÁö È®ÀåÇÒ ¼ö ÀÖ´Â °Í ÀÔ´Ï´Ù. Ǫ½Ã-Åõ-ÅäÅ©(Push-to-Talk) ¼ºñ½º »ç¿ëÀÚÀÇ È®ÀåÀ» À§Çؼ´Â PTT ¼¹ö¸¦ Áõ¼³ÀÌ ÇÊ¿äÇϸç, SIP ±â¹ÝÀÇ VoIP ±â¼ú·Î ¼³°èµÇ¾î ȣȯ¼º°ú È®À强ÀÌ ¶Ù¾î³³´Ï´Ù.
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