{"id":250619,"date":"2025-08-28T08:26:03","date_gmt":"2025-08-28T06:26:03","guid":{"rendered":"https:\/\/infrastruktura.ttc.cz\/legacy-systems-and-service-migration\/"},"modified":"2026-09-15T15:59:22","modified_gmt":"2026-09-15T13:59:22","slug":"legacy-systems-and-service-migration","status":"publish","type":"page","link":"https:\/\/infrastruktura.ttc.cz\/en\/legacy-systems-and-service-migration\/","title":{"rendered":"Legacy systems and service migration"},"content":{"rendered":"<p><div class=\"et_d4_element et_pb_section et_pb_section_0 et_pb_with_background  et_pb_css_mix_blend_mode et_section_regular section_has_divider et_pb_bottom_divider et_block_section\" >\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_d4_element et_pb_row et_pb_row_0  et_pb_css_mix_blend_mode et_block_row\">\n\t\t\t\t<div class=\"et_d4_element et_pb_column_4_4 et_pb_column et_pb_column_0  et_pb_css_mix_blend_mode et-last-child et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_0  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><h1 style=\"text-align: center;\">SOLUTIONS<\/h1><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_1  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><h1><span lang=\"CS\">Legacy systems and service migration<o:p><\/o:p><\/span><\/h1><\/div>\n\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div><div class=\"et_pb_with_border et_d4_element et_pb_row et_pb_row_1  et_pb_css_mix_blend_mode et_block_row\">\n\t\t\t\t<div class=\"et_d4_element et_pb_column_4_4 et_pb_column et_pb_column_1  et_pb_css_mix_blend_mode et-last-child et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_2  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><h2 style=\"text-align: center;\"><span>It is not necessary to build everything as a greenfield project<\/span><\/h2>\n<p style=\"text-align: center;\"><span>Thanks to our extensive experience, we offer optimized scenarios for service preservation and migration <\/span><\/p><\/div>\n\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_bottom_inside_divider et-no-transition\"><\/div>\n\t\t\t<\/div><div class=\"et_d4_element et_pb_section et_pb_section_1 et_pb_with_background  et_pb_css_mix_blend_mode et_section_regular section_has_divider et_pb_bottom_divider et_pb_top_divider et_block_section\" >\n\t\t\t\t<div class=\"et_pb_top_inside_divider et-no-transition\"><\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<span class=\"et_pb_background_mask\"><\/span>\n\t\t\t\t\n\t\t\t\t<div class=\"et_d4_element et_pb_row et_pb_row_2  et_pb_css_mix_blend_mode et_block_row\">\n\t\t\t\t<div class=\"et_d4_element et_pb_column_1_2 et_pb_column et_pb_column_2  et_pb_css_mix_blend_mode et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_3  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><h2><span>Phased migration of ICT networks<\/span><\/h2>\n<p><span>We provide our customers with the proposal, design, construction, configuration, and maintenance of transmission and ICT networks. For the transition of networks from TDM\/ATM to the IP (MPLS) domain, we provide optimized scenarios for service preservation and migration. As part of our know-how, we have retained the necessary knowledge and experience of legacy networks based on PDH and SDH technologies, enabling us to ensure the gradual modernization and migration of networks to a new IP environment while preserving existing essential services.  <\/span><\/p><\/div>\n\t\t\t<\/div>\n\t\t\t<\/div><div class=\"et_d4_element et_pb_column_1_2 et_pb_column et_pb_column_3  et_pb_css_mix_blend_mode et-last-child et_block_column et_pb_column_empty\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div><div class=\"et_d4_element et_pb_section et_pb_section_2 et_pb_with_background  et_pb_css_mix_blend_mode et_section_regular et_block_section\" >\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_d4_element et_pb_row et_pb_row_3  et_pb_css_mix_blend_mode et_block_row\">\n\t\t\t\t<div class=\"et_d4_element et_pb_column_4_4 et_pb_column et_pb_column_4  et_pb_css_mix_blend_mode et-last-child et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_4  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><h1>Needs<\/h1><\/div>\n\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div><div class=\"et_d4_element et_pb_row et_pb_row_4 et_pb_gutters2  et_pb_css_mix_blend_mode et_block_row\">\n\t\t\t\t<div class=\"et_d4_element et_pb_column_1_3 et_pb_column et_pb_column_5  et_pb_css_mix_blend_mode et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module et_d4_element et_pb_image et_pb_image_0\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<span class=\"et_pb_image_wrap \"><img loading=\"lazy\" decoding=\"async\" width=\"308\" height=\"385\" src=\"https:\/\/infrastruktura.ttc.cz\/wp-content\/uploads\/sites\/27\/2025\/06\/Bezpecnost_negativ.png\" alt=\"\" title=\"Security_negative\" srcset=\"https:\/\/infrastruktura.ttc.cz\/wp-content\/uploads\/sites\/27\/2025\/06\/Bezpecnost_negativ.png 308w, https:\/\/infrastruktura.ttc.cz\/wp-content\/uploads\/sites\/27\/2025\/06\/Bezpecnost_negativ-240x300.png 240w\" sizes=\"(max-width: 308px) 100vw, 308px\" class=\"wp-image-250243\" \/><\/span>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_5  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><h1><span lang=\"CS\">High transmission capacity<o:p><\/o:p><\/span><\/h1><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_6  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><p style=\"text-align: center;\">Increasing network throughput through new technologies<\/p><\/div>\n\t\t\t<\/div>\n\t\t\t<\/div><div class=\"et_pb_with_border et_pb_column_1_3 et_d4_element et_pb_column et_pb_column_6  et_pb_css_mix_blend_mode et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module et_d4_element et_pb_image et_pb_image_1\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<span class=\"et_pb_image_wrap \"><img loading=\"lazy\" decoding=\"async\" width=\"447\" height=\"432\" src=\"https:\/\/infrastruktura.ttc.cz\/wp-content\/uploads\/sites\/27\/2025\/08\/Modernizace_a_nove_vytahy_negativ.png\" alt=\"\" title=\"Modernization_and_new_elevators_negative\" srcset=\"https:\/\/infrastruktura.ttc.cz\/wp-content\/uploads\/sites\/27\/2025\/08\/Modernizace_a_nove_vytahy_negativ.png 447w, https:\/\/infrastruktura.ttc.cz\/wp-content\/uploads\/sites\/27\/2025\/08\/Modernizace_a_nove_vytahy_negativ-300x290.png 300w\" sizes=\"(max-width: 447px) 100vw, 447px\" class=\"wp-image-250326\" \/><\/span>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_7  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><h1>Ensuring service operation<\/h1><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_8  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><p style=\"text-align: center;\">Securing service operations during migration to new technologies<\/p><\/div>\n\t\t\t<\/div>\n\t\t\t<\/div><div class=\"et_pb_with_border et_pb_column_1_3 et_d4_element et_pb_column et_pb_column_7  et_pb_css_mix_blend_mode et-last-child et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module et_d4_element et_pb_image et_pb_image_2\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<span class=\"et_pb_image_wrap \"><img loading=\"lazy\" decoding=\"async\" width=\"477\" height=\"383\" src=\"https:\/\/infrastruktura.ttc.cz\/wp-content\/uploads\/sites\/27\/2025\/06\/Komunikacni_reseni_negativ.png\" alt=\"\" title=\"Communication_solution_negative\" srcset=\"https:\/\/infrastruktura.ttc.cz\/wp-content\/uploads\/sites\/27\/2025\/06\/Komunikacni_reseni_negativ.png 477w, https:\/\/infrastruktura.ttc.cz\/wp-content\/uploads\/sites\/27\/2025\/06\/Komunikacni_reseni_negativ-300x241.png 300w\" sizes=\"(max-width: 477px) 100vw, 477px\" class=\"wp-image-250245\" \/><\/span>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_9  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><h1><span>Secure data transmission<\/span><\/h1><\/div>\n\t\t\t<\/div><div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_10  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><p style=\"text-align: center;\">Ensuring cybersecurity from the network design stage<\/p><\/div>\n\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div><div class=\"et_d4_element et_pb_section et_pb_section_3  et_pb_css_mix_blend_mode et_section_regular section_has_divider et_pb_bottom_divider et_pb_top_divider et_block_section\" >\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_d4_element et_pb_row et_pb_row_5  et_pb_css_mix_blend_mode et_block_row\">\n\t\t\t\t<div class=\"et_d4_element et_pb_column_4_4 et_pb_column et_pb_column_8  et_pb_css_mix_blend_mode et-last-child et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module et_d4_element et_pb_text et_pb_text_11  et_pb_text_align_left et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_text_inner\"><h1>products<\/h1><\/div>\n\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div><div class=\"et_d4_element et_pb_row et_pb_row_6  et_pb_css_mix_blend_mode et_block_row\">\n\t\t\t\t<div class=\"et_d4_element et_pb_column_4_4 et_pb_column et_pb_column_9  et_pb_css_mix_blend_mode et-last-child et_block_column\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_with_border et_pb_module et_d4_element et_pb_blurb et_pb_blurb_0 pa-overlay pa-underline-link et_pb_section_video_on_hover et_pb_section_parallax_hover  et_pb_text_align_center  et_pb_blurb_position_top et_block_module et_pb_bg_layout_dark\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_blurb_content\">\n\t\t\t\t\t<div class=\"et_pb_main_blurb_image et_pb_css_mix_blend_mode\"><a href=\"https:\/\/infrastruktura.ttc.cz\/mpls\/\"><span class=\"et_pb_image_wrap\"><span class=\"et-waypoint et_pb_animation_off et_pb_animation_off_tablet et_pb_animation_off_phone et-pb-icon et-pb-icon-circle et-pb-icon-circle-border\">\uf06e<\/span><\/span><\/a><\/div>\n\t\t\t\t\t<div class=\"et_pb_blurb_container\">\n\t\t\t\t\t\t<h4 class=\"et_pb_module_header\"><a href=\"https:\/\/infrastruktura.ttc.cz\/mpls\/\">MPLS<\/a><\/h4>\n\t\t\t\t\t\t<div class=\"et_pb_blurb_description\"><p>Next-generation backbone network infrastructure<\/p>\n<p><a href=\"https:\/\/infrastruktura.ttc.cz\/mpls\/\">More<\/a><\/p><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div><div class=\"et_pb_with_border et_pb_module et_d4_element et_pb_blurb et_pb_blurb_1 pa-overlay pa-underline-link et_pb_section_video_on_hover et_pb_section_parallax_hover  et_pb_text_align_center  et_pb_blurb_position_top et_block_module et_pb_bg_layout_dark\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_blurb_content\">\n\t\t\t\t\t<div class=\"et_pb_main_blurb_image et_pb_css_mix_blend_mode\"><a href=\"https:\/\/infrastruktura.ttc.cz\/pdh-sdh\/\"><span class=\"et_pb_image_wrap\"><span class=\"et-waypoint et_pb_animation_off et_pb_animation_off_tablet et_pb_animation_off_phone et-pb-icon et-pb-icon-circle et-pb-icon-circle-border\" data-et-multi-view=\"{&quot;schema&quot;:{&quot;content&quot;:{&quot;desktop&quot;:&quot;\\ue06c&quot;,&quot;hover&quot;:&quot;\\uf108&quot;},&quot;target&quot;:&quot;&quot;,&quot;hover_selector&quot;:&quot;&quot;},&quot;slug&quot;:&quot;et_pb_blurb&quot;}\">\ue06c<\/span><\/span><\/a><\/div>\n\t\t\t\t\t<div class=\"et_pb_blurb_container\">\n\t\t\t\t\t\t<h4 class=\"et_pb_module_header\"><a href=\"https:\/\/infrastruktura.ttc.cz\/pdh-sdh\/\">PDH, SDH<\/a><\/h4>\n\t\t\t\t\t\t<div class=\"et_pb_blurb_description\"><p>Support for legacy high-speed technologies<\/p>\n<p><a href=\"https:\/\/infrastruktura.ttc.cz\/pdh-sdh\/\">More<\/a><\/p><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_bottom_inside_divider et-no-transition\"><\/div>\n\t\t\t<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":30,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-250619","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/infrastruktura.ttc.cz\/en\/wp-json\/wp\/v2\/pages\/250619","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/infrastruktura.ttc.cz\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/infrastruktura.ttc.cz\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/infrastruktura.ttc.cz\/en\/wp-json\/wp\/v2\/users\/30"}],"replies":[{"embeddable":true,"href":"https:\/\/infrastruktura.ttc.cz\/en\/wp-json\/wp\/v2\/comments?post=250619"}],"version-history":[{"count":2,"href":"https:\/\/infrastruktura.ttc.cz\/en\/wp-json\/wp\/v2\/pages\/250619\/revisions"}],"predecessor-version":[{"id":250623,"href":"https:\/\/infrastruktura.ttc.cz\/en\/wp-json\/wp\/v2\/pages\/250619\/revisions\/250623"}],"wp:attachment":[{"href":"https:\/\/infrastruktura.ttc.cz\/en\/wp-json\/wp\/v2\/media?parent=250619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}