{"id":2144,"date":"2026-05-13T08:00:00","date_gmt":"2026-05-13T07:00:00","guid":{"rendered":"https:\/\/ic-services.io\/?p=2144"},"modified":"2026-09-17T14:13:25","modified_gmt":"2026-09-17T13:13:25","slug":"ets-103-120-%ed%95%b8%eb%93%9c%ec%98%a4%eb%b2%84-%ec%9d%b8%ed%84%b0%ed%8e%98%ec%9d%b4%ec%8a%a4","status":"publish","type":"post","link":"https:\/\/ic-services.io\/ko\/resources\/blog\/etsi-ts-103-120-handover-interfaces\/","title":{"rendered":"ETSI TS 103 120 \uc124\uba85: \ucd5c\uc2e0 IP \ub124\ud2b8\uc6cc\ud06c\ub97c \uc704\ud55c \ud578\ub4dc\uc624\ubc84 \uc778\ud130\ud398\uc774\uc2a4"},"content":{"rendered":"<p class=\"wp-block-paragraph\">As telecommunications networks have migrated from circuit-switched to packet-switched architectures, the standards governing lawful interception have had to evolve in parallel. ETSI TS 103 120 is one of the most important technical specifications in this evolution, defining the handover interfaces for lawful interception in IP-based networks. For operators, system integrators, and <a href=\"https:\/\/ic-services.io\/ko\/%ec%86%94%eb%a3%a8%ec%85%98\/%ed%95%a9%eb%b2%95%ec%a0%81%ec%9d%b8-%ea%b0%90%ec%b2%ad\/\">LI \uc194\ub8e8\uc158<\/a> vendors, understanding TS 103 120 is essential to building interception systems that are both standards-compliant and technically effective in modern network environments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ubb38\uc11c\uc5d0\uc11c\ub294 ETSI TS 103 120\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uace0, \uadf8 \ubc94\uc704, \ub2e4\ub978 ETSI LI \ud45c\uc900\uacfc\uc758 \uad00\uacc4, \ub3c4\uc785\ub41c \uc8fc\uc694 \uae30\uc220 \uac1c\ub150, IP \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ud569\ubc95\uc801\uc778 \uac10\uccad\uc744 \ubc30\ud3ec\ud558\ub294 \uc0ac\uc5c5\uc790\uc5d0 \ub300\ud55c \uc2e4\uc9c8\uc801\uc778 \uc758\ubbf8 \ub4f1\uc744 \ub2e4\ub8f9\ub2c8\ub2e4. \uc0c8\ub85c\uc6b4 LI \uae30\ub2a5\uc744 \ucc98\uc74c\ubd80\ud130 \uad6c\ucd95\ud558\ub4e0, \ucd5c\uc2e0 \ub124\ud2b8\uc6cc\ud06c \uae30\uc220\uc744 \uc9c0\uc6d0\ud558\uae30 \uc704\ud574 \uae30\uc874 \uc2dc\uc2a4\ud15c\uc744 \uc5c5\uadf8\ub808\uc774\ub4dc\ud558\ub4e0, TS 103 120\uc740 \ucca0\uc800\ud788 \uc774\ud574\ud574\uc57c \ud558\ub294 \uc0ac\uc591\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ETSI TS 103 120\uc774 \ub2e4\ub8e8\ub294 \ub0b4\uc6a9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ETSI TS 103 120 sits within the broader family of ETSI LI standards and focuses specifically on the handover of intercepted material from the operator&#8217;s network to the <a href=\"https:\/\/ic-services.io\/ko\/%ec%a0%9c%ed%92%88\/%ec%86%8c%ed%94%84%ed%8a%b8%ec%9b%a8%ec%96%b4-%ec%86%94%eb%a3%a8%ec%85%98\/%eb%b2%95-%ec%a7%91%ed%96%89-%ea%b0%90%ec%8b%9c-%ec%8b%9c%ec%84%a4\/\">\ubc95 \uc9d1\ud589 \uac10\uc2dc \uc2dc\uc124<\/a> (LEMF). The standard addresses the delivery of both intercept-related information (IRI) and content of communication (CC) over IP-based transport networks. It complements the foundational ETSI TS 102 232 series, which defines the core handover architecture, by providing specific guidance and protocol definitions for IP transport scenarios.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TS 103 120\uc758 \ud544\uc694\uc131\uc740 \uc8fc\ub85c \ud68c\ub85c \uad50\ud658 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc5fc\ub450\uc5d0 \ub450\uace0 \uac1c\ubc1c\ub41c \uae30\uc874 \ud578\ub4dc\uc624\ubc84 \uc0ac\uc591\uc774 IP \uae30\ubc18 \ub124\ud2b8\uc6cc\ud06c\uc758 \ud2b9\uc131\uacfc \ubb38\uc81c\ub97c \uc644\uc804\ud788 \ud574\uacb0\ud558\uc9c0 \ubabb\ud55c\ub2e4\ub294 \uc778\uc2dd\uc5d0\uc11c \ube44\ub86f\ub418\uc5c8\uc2b5\ub2c8\ub2e4. IP \ub124\ud2b8\uc6cc\ud06c\ub294 \ud328\ud0b7 \uc7ac\uc815\ub82c, \uac00\ubcc0 \uc9c0\uc5f0 \uc2dc\uac04, \uac00\ub85c\ucc48 \ub370\uc774\ud130\uc758 \uc548\uc815\uc801\uc778 \uc804\uc1a1 \ud544\uc694\uc131, \ub2e8\uc77c \uc138\uc158 \ub0b4\uc5d0\uc11c \uc5ec\ub7ec \ubbf8\ub514\uc5b4 \uc720\ud615\uc744 \uc9c0\uc6d0\ud574\uc57c \ud558\ub294 \uc694\uad6c \uc0ac\ud56d \ub4f1\uc758 \ubb38\uc81c\ub97c \uc57c\uae30\ud569\ub2c8\ub2e4. TS 103 120\uc740 \ud578\ub4dc\uc624\ubc84 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc704\ud55c IP \ucd5c\uc801\ud654 \uc804\uc1a1 \uba54\ucee4\ub2c8\uc998\uacfc \uc778\ucf54\ub529 \ud615\uc2dd\uc744 \uc815\uc758\ud558\uc5ec \uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ud45c\uc900\uc740 \uc804\ubc18\uc801\uc778 \ud578\ub4dc\uc624\ubc84 \uc544\ud0a4\ud14d\ucc98\uc640 IRI \ubc0f CC\uc758 \ub370\uc774\ud130 \uad6c\uc870\ub97c \uc815\uc758\ud558\ub294 ETSI TS 102 232 \uc2dc\ub9ac\uc988\uc640 \ud568\uaed8 \uc0ac\uc6a9\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. TS 103 120\uc740 TS 102 232\ub97c \ub300\uccb4\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c IP \ub124\ud2b8\uc6cc\ud06c \ud658\uacbd\uc5d0\uc11c \ud578\ub4dc\uc624\ubc84 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc744 \uba85\uc2dc\ud568\uc73c\ub85c\uc368 \uc774\ub97c \ud655\uc7a5\ud569\ub2c8\ub2e4. \uc0ac\uc5c5\uc790\uc640 \ubca4\ub354\ub294 \ucd5c\uc2e0 \ub124\ud2b8\uc6cc\ud06c\uc6a9 LI \uc2dc\uc2a4\ud15c\uc744 \uc124\uacc4\ud560 \ub54c \ub450 \uc0ac\uc591\uc744 \ud544\uc218 \ucc38\uace0 \uc790\ub8cc\ub85c \ucde8\uae09\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc138 \uac00\uc9c0 \ud578\ub4dc\uc624\ubc84 \uc778\ud130\ud398\uc774\uc2a4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">TS 103 120\uc740 \uad11\ubc94\uc704\ud55c ETSI LI \ud504\ub808\uc784\uc6cc\ud06c\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc138 \uac00\uc9c0 \uc778\ud130\ud398\uc774\uc2a4\ub97c \ud1b5\ud574 \uac10\uccad\ub41c \uc790\ub8cc\uc758 \ud578\ub4dc\uc624\ubc84\ub97c \uad6c\uc131\ud569\ub2c8\ub2e4: HI1, HI2, HI3. \uac01 \uc778\ud130\ud398\uc774\uc2a4\ub294 \ucc28\ub2e8 \uc6cc\ud06c\ud50c\ub85c\uc6b0\uc5d0\uc11c \uace0\uc720\ud55c \uae30\ub2a5\uc744 \uc218\ud589\ud558\uba70, TS 103 120\uc740 IP \ud658\uacbd\uc5d0\uc11c \uac01 \uc778\ud130\ud398\uc774\uc2a4\uac00 \uc5b4\ub5bb\uac8c \uad6c\ud604\ub418\uc5b4\uc57c \ud558\ub294\uc9c0\uc5d0 \ub300\ud55c \uad6c\uccb4\uc801\uc778 \uc9c0\uce68\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HI1\uc740 \ubc95 \uc9d1\ud589 \uae30\uad00\uacfc \uc6b4\uc601\uc790 \uac04\uc5d0 \uac10\uccad \uba85\ub839, \ud65c\uc131\ud654 \uc9c0\uce68 \ubc0f \uc0c1\ud0dc \uc815\ubcf4\ub97c \uad50\ud658\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uad00\ub9ac \uc778\ud130\ud398\uc774\uc2a4\uc785\ub2c8\ub2e4. IP \ub9e5\ub77d\uc5d0\uc11c HI1\uc740 \ubcf4\uc548 \uc6f9 \uc11c\ube44\uc2a4, \uc554\ud638\ud654\ub41c \uba54\uc2dc\uc9d5 \ud504\ub85c\ud1a0\ucf5c \ub610\ub294 \uc804\uc6a9 \uad00\ub9ac \ud50c\ub7ab\ud3fc\uc744 \uc0ac\uc6a9\ud558\uc5ec \uad6c\ud604\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. TS 103 120\uc740 HI1\uc758 \uad6c\uccb4\uc801\uc778 \uad6c\ud604\uc740 \ud45c\uc900 \uc790\uccb4\ubcf4\ub2e4\ub294 \uad6d\uac00\ubcc4 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \uacb0\uc815\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc9c0\ub9cc \ubcf4\uc548, \uc778\uc99d \ubc0f \uba54\uc2dc\uc9c0 \ud615\uc2dd\uc5d0 \ub300\ud55c \uc77c\ubc18\uc801\uc778 \uc9c0\uce68\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HI2\ub294 \uc778\ud130\uc149\ud2b8 \uad00\ub828 \uc815\ubcf4(\uc778\ud130\uc149\ud2b8\ub41c \ud1b5\uc2e0\uacfc \uad00\ub828\ub41c \uba54\ud0c0\ub370\uc774\ud130)\ub97c \uc804\ub2ec\ud558\uae30 \uc704\ud55c \uc778\ud130\ud398\uc774\uc2a4\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ud1b5\uc2e0 \ub2f9\uc0ac\uc790\uc758 \uc2e0\uc6d0, \ud0c0\uc784\uc2a4\ud0ec\ud504, \ub124\ud2b8\uc6cc\ud06c \uc2dd\ubcc4\uc790 \ubc0f \uc138\uc158 \ub9e4\uac1c\ubcc0\uc218\uc640 \uac19\uc740 \uc815\ubcf4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. IP \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c IRI\ub294 \ud68c\ub85c \uc804\ud658 \ub124\ud2b8\uc6cc\ud06c\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \ubcf5\uc7a1\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub294 IP \ud1b5\uc2e0\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ub354 \ud48d\ubd80\ud55c \uc2dc\uadf8\ub110\ub9c1 \ubc0f \uc138\uc158 \uad00\ub9ac \ud504\ub85c\ud1a0\ucf5c \uc138\ud2b8\ub97c \ubc18\uc601\ud569\ub2c8\ub2e4. TS 103 120\uc740 \ubcf4\uc548 \uc804\uc1a1 \ud504\ub85c\ud1a0\ucf5c\uc744 \ud1b5\ud574 \uc804\ub2ec\ub418\ub294 ASN.1 \uae30\ubc18 \ub370\uc774\ud130 \uad6c\uc870\ub97c \uc0ac\uc6a9\ud558\uc5ec IP\ub97c \ud1b5\ud55c IRI \uc804\uc1a1\uc744 \uc704\ud55c \uc778\ucf54\ub529 \ubc0f \uc804\uc1a1 \uba54\ucee4\ub2c8\uc998\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HI3\ub294 \ud1b5\uc2e0 \ucf58\ud150\uce20, \uc989 \uac00\ub85c\ucc44\ub294 \uc2e4\uc81c \uc74c\uc131, \ub370\uc774\ud130 \ub610\ub294 \uba54\uc2dc\uc9d5 \ucf58\ud150\uce20\ub97c \uc804\ub2ec\ud558\uae30 \uc704\ud55c \uc778\ud130\ud398\uc774\uc2a4\uc785\ub2c8\ub2e4. IP \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c CC\ub294 \uc74c\uc131\uc744 \uc704\ud55c RTP \uc2a4\ud2b8\ub9bc, \ub370\uc774\ud130 \uc138\uc158\uc744 \uc704\ud55c IP \ud328\ud0b7, \uba54\uc2dc\uc9d5 \uc11c\ube44\uc2a4\ub97c \uc704\ud55c \ud504\ub85c\ud1a0\ucf5c\ubcc4 \ud398\uc774\ub85c\ub4dc \ub4f1 \ub2e4\uc591\ud55c \ud615\ud0dc\ub97c \ucde8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. TS 103 120\uc740 \uac00\ub85c\ucc44\ub294 \ub2e8\uc77c \uc138\uc158 \ub0b4\uc5d0\uc11c \uc11c\ub85c \ub2e4\ub978 \ubbf8\ub514\uc5b4 \uc2a4\ud2b8\ub9bc \uac04\uc758 \uc2dc\uac04\uc801 \uad00\uacc4\ub97c \uc720\uc9c0\ud558\uae30 \uc704\ud55c \uba54\ucee4\ub2c8\uc998\uc744 \ud3ec\ud568\ud558\uc5ec \uc774\ub7ec\ud55c \ucf58\ud150\uce20\ub97c \ucea1\uc290\ud654\ud558\uc5ec LEMF\uc5d0 \uc804\ub2ec\ud558\ub294 \ubc29\ubc95\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc8fc\uc694 \uae30\uc220 \uac1c\ub150<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Several technical concepts introduced or refined by TS 103 120 are important for understanding how the standard works in practice. The first is the concept of the <a href=\"https:\/\/ic-services.io\/ko\/%ec%a0%9c%ed%92%88\/%ec%86%8c%ed%94%84%ed%8a%b8%ec%9b%a8%ec%96%b4-%ec%86%94%eb%a3%a8%ec%85%98\/%eb%a6%ac-%eb%af%b8%eb%94%94%ec%97%90%ec%9d%b4%ec%85%98-%ed%94%8c%eb%9e%ab%ed%8f%bc\/\">\uc911\uc7ac \uae30\ub2a5<\/a>, which sits between the operator&#8217;s network and the LEMF and is responsible for translating the internal representation of intercepted data into the standardised formats defined by the handover interfaces. The mediation function is a critical component of any LI system and is the point at which the operator&#8217;s proprietary network protocols are mapped to the ETSI-standard handover formats.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \ubc88\uc9f8 \uac1c\ub150\uc740 IRI \ub370\uc774\ud130 \uc778\ucf54\ub529\uc5d0 ASN.1(Abstract Syntax Notation One)\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. ASN.1\uc740 \ub370\uc774\ud130 \uad6c\uc870\ub97c \uc815\uc758\ud558\uae30 \uc704\ud55c \uacf5\uc2dd\uc801\uc774\uace0 \uae30\uacc4 \ud310\ub3c5 \uac00\ub2a5\ud55c \ud45c\uae30\ubc95\uc744 \uc81c\uacf5\ud558\uba70, TS 103 120\uc5d0\uc11c \uc774\ub97c \uc0ac\uc6a9\ud558\uba74 \ub2e4\uc591\ud55c \uad6c\ud604\uc5d0\uc11c IRI \ub370\uc774\ud130\ub97c \uba85\ud655\ud558\uac8c \uc778\ucf54\ub529, \uc804\uc1a1 \ubc0f \ub514\ucf54\ub529\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. ASN.1\uc740 \uc791\uc5c5\ud558\uae30\uac00 \ubcf5\uc7a1\ud560 \uc218 \uc788\uc9c0\ub9cc, \uc6b4\uc601\uc790\uc640 \ubc95 \uc9d1\ud589 \uae30\uad00 \uac04\uc5d0 \uac10\uccad\ub41c \uba54\ud0c0\ub370\uc774\ud130\ub97c \uc548\uc815\uc801\uc73c\ub85c \uad50\ud658\ud558\ub294 \ub370 \ud544\uc218\uc801\uc778 \uc815\ubc00\uc131\uacfc \uc0c1\ud638 \uc6b4\uc6a9\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc138 \ubc88\uc9f8 \uac1c\ub150\uc740 \uac10\uccad\ub41c \uc790\ub8cc\uc758 \uc804\ub2ec\uc744 \uc704\ud574 \ubcf4\uc548 \uc804\uc1a1 \ud504\ub85c\ud1a0\ucf5c\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. TS 103 120\uc740 HI2 \ubc0f HI3 \uc804\uc1a1 \ucc44\ub110 \ubcf4\uc548\uc744 \uc704\ud574 TLS(\uc804\uc1a1 \uacc4\uce35 \ubcf4\uc548) \uc0ac\uc6a9\uc744 \uba85\uc2dc\ud558\uace0, \uc778\uc99d\uc11c \uad00\ub9ac, \uc554\ud638 \ubaa8\uc74c \uc120\ud0dd, \uc6b4\uc601\uc790 \uc2dc\uc2a4\ud15c\uacfc LEMF \uac04\uc758 \uc0c1\ud638 \uc778\uc99d\uc5d0 \ub300\ud55c \uc694\uad6c \uc0ac\ud56d\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. \uc778\ud130\uc149\ud2b8\ub41c \uc790\ub8cc\ub294 \ub9e4\uc6b0 \ubbfc\uac10\ud558\uba70 \uc804\uc1a1 \uc911 \ubb34\ub2e8 \uc561\uc138\uc2a4, \uc218\uc815 \ubc0f \uac00\ub85c\ucc44\uae30\ub85c\ubd80\ud130 \ubcf4\ud638\ub418\uc5b4\uc57c \ud558\ubbc0\ub85c \ud578\ub4dc\uc624\ubc84 \uc778\ud130\ud398\uc774\uc2a4\uc758 \ubcf4\uc548\uc740 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub124 \ubc88\uc9f8\ub85c \uc911\uc694\ud55c \uac1c\ub150\uc740 \uba40\ud2f0 \uc2a4\ud2b8\ub9bc \uc138\uc158 \ucc98\ub9ac\uc785\ub2c8\ub2e4. IP \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ub2e8\uc77c \ud1b5\uc2e0 \uc138\uc158\uc5d0\ub294 \uc5ec\ub7ec \uac1c\uc758 \ub3d9\uc2dc \ubbf8\ub514\uc5b4 \uc2a4\ud2b8\ub9bc\uc774 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4(\uc608: VoLTE \ud1b5\ud654\uc5d0\ub294 \uc2dc\uadf8\ub110\ub9c1 \uc2a4\ud2b8\ub9bc(SIP)\uacfc \ud558\ub098 \uc774\uc0c1\uc758 \ubbf8\ub514\uc5b4 \uc2a4\ud2b8\ub9bc(RTP)\uc774 \ubaa8\ub450 \ud3ec\ud568\ub428). TS 103 120\uc740 \uc774\ub7ec\ud55c \uc5ec\ub7ec \uc2a4\ud2b8\ub9bc\uc774 \uc2dc\uac04\uc801 \uad00\uacc4\ub97c \ubcf4\uc874\ud558\uace0 \ubc95 \uc9d1\ud589 \uae30\uad00\uc774 \uc804\uccb4 \ud1b5\uc2e0 \uc138\uc158\uc744 \uc7ac\uad6c\uc131\ud560 \uc218 \uc788\ub294 \ubc29\uc2dd\uc73c\ub85c \uc0c1\ud638 \uc5f0\uad00\ub418\uc5b4 LEMF\uc5d0 \uc804\ub2ec\ub418\uc5b4\uc57c \ud558\ub294 \ubc29\ubc95\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ETSI TS 102 232\uc640\uc758 \uad00\uacc4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ETSI TS 102 232 \uc2dc\ub9ac\uc988\ub294 ETSI LI \ud578\ub4dc\uc624\ubc84 \uc544\ud0a4\ud14d\ucc98\uc758 \ucd08\uc11d\uc785\ub2c8\ub2e4. \uc774 \uc2dc\ub9ac\uc988\ub294 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c \uae30\uc220 \ubc0f \uc11c\ube44\uc2a4 \uc720\ud615\uc744 \ub2e4\ub8e8\ub294 \uc5ec\ub7ec \ubd80\ubd84\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uac00\ub85c\ucc48 \uc790\ub8cc\uc758 \ud578\ub4dc\uc624\ubc84\ub97c \uc704\ud55c \uc77c\ubc18\uc801\uc778 \ud504\ub808\uc784\uc6cc\ud06c, \ub370\uc774\ud130 \uad6c\uc870 \ubc0f \uc808\ucc28\ub97c \uc815\uc758\ud569\ub2c8\ub2e4. TS 103 120\uc740 IP\ubcc4 \uad6c\ud604 \uc9c0\uce68\uc744 \uc81c\uacf5\ud568\uc73c\ub85c\uc368 \uc774\ub7ec\ud55c \ud1a0\ub300 \uc704\uc5d0 \uad6c\ucd95\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c\ub85c IP \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c LI\ub97c \uad6c\ud604\ud558\ub294 \uc0ac\uc5c5\uc790\ub294 TS 102 232\uc640 TS 103 120\uc744 \ubaa8\ub450 \ucc38\uc870\ud574\uc57c \ud569\ub2c8\ub2e4. TS 102 232\ub294 \ub370\uc774\ud130 \ubaa8\ub378\uacfc \uc808\ucc28\uc801 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uc81c\uacf5\ud558\uba70, TS 103 120\uc740 IP \ud658\uacbd\uc744 \uc704\ud55c \uc804\uc1a1 \uacc4\uce35 \uc0ac\uc591\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub450 \ud45c\uc900\uc740 \uc0c1\ud638 \ubcf4\uc644\uc801\uc774\uba70, \uc5b4\ub290 \ud558\ub098\ub9cc\uc73c\ub85c\ub294 \uc644\uc804\ud55c \uad6c\ud604\uc5d0 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc6b4\uc601\uc790\ub294 \ud2b9\uc815 \ub124\ud2b8\uc6cc\ud06c \uae30\uc220\uc744 \ub2e4\ub8e8\ub294 TS 102 232 \uc2dc\ub9ac\uc988\uc758 \uad00\ub828 \ud45c\uc900(\uc608: IP \uba40\ud2f0\ubbf8\ub514\uc5b4 \uc11c\ube44\uc2a4\ub97c \uc704\ud55c TS 102 232-5 \ubc0f PSTN\/ISDN \uc11c\ube44\uc2a4\ub97c \uc704\ud55c TS 102 232-6)\ub3c4 \uc54c\uace0 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc6b4\uc601\uc790\ub97c \uc704\ud55c \uc2e4\uc9c8\uc801\uc778 \uc2dc\uc0ac\uc810<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IP \ub124\ud2b8\uc6cc\ud06c\uc5d0 LI\ub97c \ubc30\ud3ec\ud558\ub294 \uc0ac\uc5c5\uc790\uc5d0\uac8c TS 103 120\uc740 \uba87 \uac00\uc9c0 \uc2e4\uc9c8\uc801\uc778 \uc758\ubbf8\ub97c \uac16\uc2b5\ub2c8\ub2e4. \uccab \ubc88\uc9f8\ub294 IP \uae30\ubc18 \ud1b5\uc2e0\uc758 \ubcf5\uc7a1\uc131\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uac15\ub825\ud55c \ubbf8\ub514\uc5d0\uc774\uc158 \uae30\ub2a5\uc5d0 \ub300\ud55c \uc694\uad6c \uc0ac\ud56d\uc785\ub2c8\ub2e4. \ubbf8\ub514\uc5d0\uc774\uc158 \uae30\ub2a5\uc740 \ub2e4\uc591\ud55c \uc2dc\uadf8\ub110\ub9c1 \ud504\ub85c\ud1a0\ucf5c(SIP, Diameter, GTP \ub4f1)\uc5d0\uc11c IRI\ub97c \ucd94\ucd9c\ud558\uace0, \uc5ec\ub7ec \ubbf8\ub514\uc5b4 \uc720\ud615\uc5d0\uc11c CC\ub97c \ucea1\ucc98\ud558\uace0, \ucd94\ucd9c\ub41c \ub370\uc774\ud130\ub97c ASN.1 \ud615\uc2dd\uc73c\ub85c \uc778\ucf54\ub529\ud55c \ud6c4 HI2 \ubc0f HI3 \uc778\ud130\ud398\uc774\uc2a4\ub97c \ud1b5\ud574 LEMF\uc5d0 \uc548\uc804\ud558\uac8c \uc804\ub2ec\ud560 \uc218 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574\uc11c\ub294 \ub124\ud2b8\uc6cc\ud06c \uae30\uc220\uc774 \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c \uc0c1\ub2f9\ud55c \uae30\uc220 \uc5ed\ub7c9\uacfc \uc9c0\uc18d\uc801\uc778 \uc720\uc9c0 \uad00\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The second implication is the need for interoperability testing with the LEMF. Because TS 103 120 defines a standardised interface, operators and <a href=\"https:\/\/ic-services.io\/ko\/%ec%86%94%eb%a3%a8%ec%85%98\/%eb%b2%95-%ec%a7%91%ed%96%89-%ea%b8%b0%ea%b4%80%ec%9d%98-%ea%b0%90%ec%8b%9c\/\">\ubc95 \uc9d1\ud589 \uae30\uad00<\/a> must verify that their respective implementations are compatible. This typically involves formal testing against a set of reference scenarios, covering different communication types, target identification methods, and edge cases such as session handover, multi-party calls, and emergency services calls.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc138 \ubc88\uc9f8 \uc758\ubbf8\ub294 \ud655\uc7a5\uc131\uacfc \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4. IP \ub124\ud2b8\uc6cc\ud06c\ub294 \ud2b9\ud788 \ub370\uc774\ud130 \uac00\ub85c\ucc44\uae30\uc758 \uacbd\uc6b0 \ud68c\ub85c \uc804\ud658 \ub124\ud2b8\uc6cc\ud06c\ubcf4\ub2e4 \uac00\ub85c\ucc44\ub294 \uc138\uc158\ub2f9 \ud6e8\uc52c \ub354 \ub9ce\uc740 \ub370\uc774\ud130\ub97c \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0ac\uc5c5\uc790\ub294 LI \uc2dc\uc2a4\ud15c\uc774 \uc9c0\uc5f0\uc774\ub098 \ub370\uc774\ud130 \uc190\uc2e4 \uc5c6\uc774 \ucc98\ub9ac\ub7c9 \uc694\uad6c \uc0ac\ud56d\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4. TS 103 120\uc5d0 \uc815\uc758\ub41c \uc804\uc1a1 \uba54\ucee4\ub2c8\uc998\uc5d0\ub294 \ud750\ub984 \uc81c\uc5b4 \ubc0f \ud63c\uc7a1 \uad00\ub9ac\ub97c \uc704\ud55c \uc870\ud56d\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc9c0\ub9cc, \uc0ac\uc5c5\uc790\ub294 \uc778\ud504\ub77c\uc758 \ud06c\uae30\ub97c \uc801\uc808\ud558\uac8c \uc870\uc815\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub124 \ubc88\uc9f8 \uc2e4\uc9c8\uc801\uc778 \uace0\ub824 \uc0ac\ud56d\uc740 \uc554\ud638\ud654 \uad00\ub9ac\uc785\ub2c8\ub2e4. \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uacc4\uce35(TLS, DTLS)\uacfc \uc804\uc1a1 \uacc4\uce35(IPsec) \ubaa8\ub450\uc5d0\uc11c \ub354 \ub9ce\uc740 \ub124\ud2b8\uc6cc\ud06c \ud2b8\ub798\ud53d\uc774 \uc554\ud638\ud654\ub418\ubbc0\ub85c \uc6b4\uc601\uc790\ub294 \ub300\uc0c1\uc758 \ud2b8\ub798\ud53d\uc5d0 \uc77c\ubc18 \ud14d\uc2a4\ud2b8\ub85c \uc561\uc138\uc2a4\ud560 \uc218 \uc788\ub294 \ub124\ud2b8\uc6cc\ud06c\uc758 \uc704\uce58\uc5d0 \ucc28\ub2e8 \uc9c0\uc810\uc744 \uad6c\ud604\ud574\uc57c \ud569\ub2c8\ub2e4. TS 103 120\uc740 \uc554\ud638\ud654\ub41c \ud2b8\ub798\ud53d\uc744 \uac00\ub85c\ucc44\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc740 \ub2e4\ub8e8\uc9c0 \uc54a\uc73c\uba70, \uc6b4\uc601\uc790\uac00 \uc554\ud638\ud654\ub418\uc9c0 \uc54a\uc740 \ucf58\ud150\uce20\uc5d0 \uc561\uc138\uc2a4\ud560 \uc218 \uc788\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4. \uc554\ud638\ud654\uac00 \ub354\uc6b1 \ubcf4\ud3b8\ud654\ub428\uc5d0 \ub530\ub77c \uc774\ub7ec\ud55c \uc561\uc138\uc2a4\ub97c \uc720\uc9c0\ud574\uc57c \ud558\ub294 \uc2e4\uc9c8\uc801\uc778 \uacfc\uc81c\ub294 \uc624\ub298\ub0a0 LI \uc2e4\ubb34\uc790\ub4e4\uc774 \uc9c1\uba74\ud558\uace0 \uc788\ub294 \uac00\uc7a5 \uc911\uc694\ud55c \ubb38\uc81c \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc9c4\ud654 \ubc0f \ud5a5\ud6c4 \ubc29\ud5a5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">TS 103 120\uc740 \ub124\ud2b8\uc6cc\ud06c \uae30\uc220\uc774 \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c \uacc4\uc18d \uc9c4\ud654\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. 5G\ub85c\uc758 \ub9c8\uc774\uadf8\ub808\uc774\uc158, IoT \ub514\ubc14\uc774\uc2a4\uc758 \ud655\uc0b0, \ud074\ub77c\uc6b0\ub4dc \ub124\uc774\ud2f0\ube0c \ub124\ud2b8\uc6cc\ud06c \uc544\ud0a4\ud14d\ucc98\uc758 \uc0ac\uc6a9 \uc99d\uac00\ub294 \ubaa8\ub450 \ud578\ub4dc\uc624\ubc84 \uc778\ud130\ud398\uc774\uc2a4\uc5d0 \uc0c8\ub85c\uc6b4 \uacfc\uc81c\ub97c \uc81c\uc2dc\ud569\ub2c8\ub2e4. ETSI\uc758 \ud569\ubc95\uc801 \ucc28\ub2e8 \uae30\uc220 \uc704\uc6d0\ud68c(TC LI)\ub294 3GPP\uc640 \ud611\ub825\ud558\uc5ec \uc815\uc758\ud55c 5G \uc804\uc6a9 LI \uc544\ud0a4\ud14d\ucc98\ub97c \ud3ec\ud568\ud558\uc5ec \uc774\ub7ec\ud55c \ubc1c\uc804\uc744 \ud574\uacb0\ud558\uae30 \uc704\ud574 LI \ud45c\uc900\uc744 \uc5c5\ub370\uc774\ud2b8\ud558\ub294 \uc791\uc5c5\uc744 \ud65c\ubc1c\ud788 \uc9c4\ud589\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0ac\uc5c5\uc790\ub294 TS 103 120 \ubc0f \uad00\ub828 \ud45c\uc900\uc758 \uc9c4\ud654\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\uc5ec \uc0c8 \ubc84\uc804\uc774 \ubc1c\ud45c\ub420 \ub54c\ub9c8\ub2e4 LI \uc2dc\uc2a4\ud15c\uc774 \uaddc\uc815\uc744 \uc900\uc218\ud558\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4. \ud2b9\ud788 5G\ub85c\uc758 \uc804\ud658\uc740 \uc0c8\ub85c\uc6b4 \uc778\ud130\ud398\uc774\uc2a4(X1, X2, X3) \ubc0f \ucc28\ub2e8 \ud504\ub808\uc784\uc6cc\ud06c\uc5d0 \ud1b5\ud569\ub418\uc5b4\uc57c \ud558\ub294 \uc0c8\ub85c\uc6b4 \ub124\ud2b8\uc6cc\ud06c \uae30\ub2a5\uc744 \ud3ec\ud568\ud558\uc5ec LI \uc544\ud0a4\ud14d\ucc98\uc5d0 \uc0c1\ub2f9\ud55c \ubcc0\ud654\ub97c \uac00\uc838\uc635\ub2c8\ub2e4. TS 103 120\uc740 IP \uae30\ubc18 \ud578\ub4dc\uc624\ubc84\ub97c \uc704\ud55c \uacac\uace0\ud55c \uae30\ubc18\uc744 \uc81c\uacf5\ud558\uc9c0\ub9cc, 5G \uc804\uc6a9 \ud45c\uc900\uc740 \uc0ac\uc5c5\uc790\uac00 \ud574\uacb0\ud574\uc57c \ud558\ub294 \ubcf5\uc7a1\uc131 \uacc4\uce35\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uacb0\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ETSI TS 103 120\uc740 \ucd5c\uc2e0 IP \uae30\ubc18 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ud569\ubc95\uc801\uc778 \uac10\uccad\uc744 \ubc30\ud3ec\ud558\ub294 \ubaa8\ub4e0 \uc6b4\uc601\uc790\uc5d0\uac8c \uc911\uc694\ud55c \uc0ac\uc591\uc785\ub2c8\ub2e4. \uc774 \uaddc\uaca9\uc740 TS 102 232 \uc2dc\ub9ac\uc988\uc758 \uae30\ubcf8 \uc544\ud0a4\ud14d\ucc98\ub97c \uae30\ubc18\uc73c\ub85c \uac10\uccad\ub41c \ud1b5\uc2e0\uc744 \ubc95 \uc9d1\ud589 \uae30\uad00\uc5d0 \ub118\uae30\uae30 \uc704\ud55c \uc804\uc1a1 \uba54\ucee4\ub2c8\uc998, \uc778\ucf54\ub529 \ud615\uc2dd \ubc0f \ubcf4\uc548 \uc694\uad6c \uc0ac\ud56d\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. \ud1b5\uc2e0 \uc0ac\uc5c5\uc790\ub294 IP \ub124\ud2b8\uc6cc\ud06c \ud658\uacbd\uc5d0\uc11c \ud45c\uc900\uc744 \uc900\uc218\ud558\ub294 LI\ub97c \ub2ec\uc131\ud558\uae30 \uc704\ud574 TS 103 120\uc744 \uc774\ud574\ud558\uace0 \uad6c\ud604\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c\uac00 5G \uc774\uc0c1\uc73c\ub85c \uacc4\uc18d \uc9c4\ud654\ud568\uc5d0 \ub530\ub77c \ucc28\uc138\ub300 \ub124\ud2b8\uc6cc\ud06c \uc544\ud0a4\ud14d\ucc98\uc758 \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc744 \ud574\uacb0\ud558\uae30 \uc704\ud574 \uc0c8\ub85c\uc6b4 \ud45c\uc900\uacfc \uc778\ud130\ud398\uc774\uc2a4\uac00 \ub3c4\uc785\ub418\ub354\ub77c\ub3c4 TS 103 120\uc5d0 \uc815\uc758\ub41c \uc6d0\uce59\uacfc \uba54\ucee4\ub2c8\uc998\uc740 \uacc4\uc18d \uad00\ub828\uc131\uc744 \uc720\uc9c0\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uad00\ub828 \uae30\uc0ac<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uad00\ub828 \uc8fc\uc81c\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \ub2e4\uc74c \ubb38\uc11c\ub97c \ucc38\uc870\ud558\uc138\uc694:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/ic-services.io\/ko\/?p=2146\">HI1 \ub300 HI2 \ub300 HI3: \uc138 \uac00\uc9c0 \ud569\ubc95\uc801 \uac10\uccad \uc778\ud130\ud398\uc774\uc2a4\uc5d0 \ub300\ud55c \uc774\ud574<\/a><\/li>\n<li><a href=\"https:\/\/ic-services.io\/ko\/?p=2148\">SIPREC\uacfc ETSI LI: \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc774\uba70 \uac01\uac01 \uc5b8\uc81c \uc801\uc6a9\ub418\ub098\uc694?<\/a><\/li>\n<li><a href=\"https:\/\/ic-services.io\/ko\/?p=2152\">\uc911\uc7ac \uae30\ub2a5\uc758 \uc791\ub3d9 \ubc29\uc2dd \ub124\ud2b8\uc6cc\ud06c\uc640 \ubc95 \uc9d1\ud589 \uae30\uad00 \uc0ac\uc774\uc758 \uac00\uad50 \uc5ed\ud560<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\uc678\ubd80 \ub9ac\uc18c\uc2a4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \uc678\ubd80 \ub9ac\uc18c\uc2a4\uc5d0\uc11c \ucd94\uac00 \ucee8\ud14d\uc2a4\ud2b8\uc640 \uacf5\uc2dd \ubb38\uc11c\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.etsi.org\/technologies\/lawful-interception\" target=\"_blank\" rel=\"noopener noreferrer\">ETSI \ud569\ubc95\uc801 \uac10\uccad \ud45c\uc900<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>As telecommunications networks have migrated from circuit-switched to packet-switched architectures, the standards governing lawful interception have had to evolve in [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":2531,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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