{"id":25850,"date":"2024-10-24T20:55:44","date_gmt":"2024-10-24T15:25:44","guid":{"rendered":"https:\/\/edunovations.com\/currentaffairs\/?p=25850"},"modified":"2024-10-24T23:41:13","modified_gmt":"2024-10-24T18:11:13","slug":"integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra","status":"publish","type":"post","link":"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/","title":{"rendered":"Understanding ISDN: Integrated Services Digital Network Explained"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Understanding_ISDN_Integrated_Services_Digital_Network\" >Understanding ISDN: Integrated Services Digital Network<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Key_Features_of_ISDN\" >Key Features of ISDN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Applications_of_ISDN\" >Applications of ISDN<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Why_This_News_is_Important\" >Why This News is Important<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Significance_of_ISDN_in_Modern_Communication\" >Significance of ISDN in Modern Communication<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Impact_on_Telecommunication_Infrastructure\" >Impact on Telecommunication Infrastructure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Relevance_in_Government_and_Education\" >Relevance in Government and Education<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Historical_Context\" >Historical Context<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Key_Takeaways_from_%E2%80%9CUnderstanding_ISDN%E2%80%9D\" >Key Takeaways from &#8220;Understanding ISDN&#8221;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Important_FAQs_for_Students_from_this_News\" >Important FAQs for Students from this News<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Q1_What_does_ISDN_stand_for\" >Q1: What does ISDN stand for?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Q2_What_are_the_two_main_types_of_ISDN_interfaces\" >Q2: What are the two main types of ISDN interfaces?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Q3_What_is_the_maximum_data_rate_supported_by_ISDN\" >Q3: What is the maximum data rate supported by ISDN?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Q4_How_does_ISDN_improve_communication_quality_compared_to_analog_systems\" >Q4: How does ISDN improve communication quality compared to analog systems?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Q5_In_what_applications_is_ISDN_commonly_used\" >Q5: In what applications is ISDN commonly used?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/edunovations.com\/currentaffairs\/science_and_technology\/integrated-servicesdiscover-isdn-integrated-services-digital-network-its-key-features-applications-and-significance-in-modern-communication-learn-about-its-role-in-enhancing-telecommunication-infra\/#Some_Important_Current_Affairs_Links\" >Some Important Current Affairs Links<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_ISDN_Integrated_Services_Digital_Network\"><\/span>Understanding ISDN: Integrated Services Digital Network<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Integrated Services Digital Network (ISDN) is a telecommunications standard for digital transmission of voice, data, and video over traditional circuits. Initially developed in the 1980s, ISDN aimed to replace analog systems by allowing multiple services to be delivered over a single line. This technology played a crucial role in the transition to digital communication, paving the way for modern telecommunications systems.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Features_of_ISDN\"><\/span>Key Features of ISDN<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>ISDN integrates various services such as voice, video, and data, enabling users to conduct simultaneous communications. It operates using two main types of channels: B channels (Bearer) for voice and data, and D channels (Delta) for signaling and control. This structure allows for efficient bandwidth utilization, offering data rates up to 128 Kbps with multiple B channels combined.<\/p>\n\n\n\n<p>ISDN offers two primary interfaces: BRI (Basic Rate Interface) and PRI (Primary Rate Interface). BRI is designed for small-scale applications, providing two B channels and one D channel, ideal for home and small office use. Conversely, PRI is intended for larger organizations, supporting up to 30 B channels and one D channel, making it suitable for businesses requiring high-capacity communication.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applications_of_ISDN\"><\/span>Applications of ISDN<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The versatility of ISDN has led to its widespread use in various fields. In telephony, ISDN provides high-quality voice services, while in video conferencing, it enables seamless communication with minimal latency. Additionally, ISDN is employed in broadcasting, allowing live video transmission from remote locations to studios, and in data transmission, offering reliable and fast connections for corporate networks.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\" id=\"Integrated-Services-Digital-Network-overview\"><img decoding=\"async\" src=\"https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2024\/10\/Integrated-Services-Digital-Network-overview.jpeg\" alt=\"Integrated Services Digital Network overview\n\" class=\"wp-image-25860\" width=\"630\" height=\"315\" title=\"Integrated Services Digital Network overview\" srcset=\"https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2024\/10\/Integrated-Services-Digital-Network-overview.jpeg 318w, https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2024\/10\/Integrated-Services-Digital-Network-overview-300x150.jpeg 300w\" sizes=\"(max-width: 630px) 100vw, 630px\" \/><figcaption class=\"wp-element-caption\">Integrated Services Digital Network overview<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_This_News_is_Important\"><\/span>Why This News is Important<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Significance_of_ISDN_in_Modern_Communication\"><\/span>Significance of ISDN in Modern Communication<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>ISDN represents a significant advancement in telecommunications, as it bridges the gap between traditional analog systems and modern digital technologies. Its ability to transmit multiple types of data over a single line has laid the groundwork for contemporary services like VoIP and broadband internet, highlighting its relevance in today\u2019s communication landscape.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Impact_on_Telecommunication_Infrastructure\"><\/span>Impact on Telecommunication Infrastructure<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The deployment of ISDN has influenced telecommunication infrastructure worldwide, prompting service providers to upgrade their networks. This upgrade has not only enhanced communication quality but also increased service reliability, making ISDN a vital component of the global telecommunication framework.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Relevance_in_Government_and_Education\"><\/span>Relevance in Government and Education<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>For students preparing for government exams, understanding ISDN is crucial, particularly in fields related to telecommunications and information technology. Knowledge of ISDN can aid in comprehending the evolution of communication technologies and their impact on various sectors, including education, public service, and law enforcement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Historical_Context\"><\/span>Historical Context<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>ISDN was introduced in the late 1980s as a response to the growing demand for high-quality voice and data communication. Its development was part of a broader trend towards digitalization in telecommunications, driven by advancements in technology and the need for more efficient communication systems. Over the years, ISDN has evolved, influencing the design of modern communication protocols and serving as a precursor to contemporary technologies such as broadband and mobile communication.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Takeaways_from_%E2%80%9CUnderstanding_ISDN%E2%80%9D\"><\/span>Key Takeaways from &#8220;Understanding ISDN&#8221;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Serial Number<\/th><th>Key Takeaway<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>ISDN stands for Integrated Services Digital Network.<\/td><\/tr><tr><td>2<\/td><td>It enables simultaneous transmission of voice, data, and video.<\/td><\/tr><tr><td>3<\/td><td>ISDN operates using two types of channels: B channels for data and D channels for signaling.<\/td><\/tr><tr><td>4<\/td><td>The two main interfaces of ISDN are BRI and PRI, serving different scale applications.<\/td><\/tr><tr><td>5<\/td><td>ISDN significantly influenced the evolution of modern telecommunications.<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Integrated Services Digital Network overview<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Important_FAQs_for_Students_from_this_News\"><\/span>Important FAQs for Students from this News<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q1_What_does_ISDN_stand_for\"><\/span><strong>Q1: What does ISDN stand for?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A1: ISDN stands for Integrated Services Digital Network, a standard for digital transmission of voice, data, and video.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q2_What_are_the_two_main_types_of_ISDN_interfaces\"><\/span><strong>Q2: What are the two main types of ISDN interfaces?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A2: The two main types of ISDN interfaces are Basic Rate Interface (BRI) and Primary Rate Interface (PRI).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q3_What_is_the_maximum_data_rate_supported_by_ISDN\"><\/span><strong>Q3: What is the maximum data rate supported by ISDN?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A3: ISDN can support data rates of up to 128 Kbps when combining multiple B channels.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q4_How_does_ISDN_improve_communication_quality_compared_to_analog_systems\"><\/span><strong>Q4: How does ISDN improve communication quality compared to analog systems?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A4: ISDN provides higher quality, more reliable transmission of voice and data by reducing latency and interference.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q5_In_what_applications_is_ISDN_commonly_used\"><\/span><strong>Q5: In what applications is ISDN commonly used?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A5: ISDN is commonly used in telephony, video conferencing, broadcasting, and data transmission for corporate networks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Some_Important_Current_Affairs_Links\"><\/span>Some Important Current Affairs Links<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/national\/\" target=\"_blank\" rel=\"noreferrer noopener\">State Current Affairs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--2\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/sports\/\" target=\"_blank\" rel=\"noreferrer noopener\">Sports Current Affairs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--3\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/international\/\" target=\"_blank\" rel=\"noreferrer noopener\">International Current Affairs<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/banking\/\" target=\"_blank\" rel=\"noreferrer noopener\">Banking Current Affairs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/railway\/\" target=\"_blank\" rel=\"noreferrer noopener\">Railways Current Affairs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/defence\/\" target=\"_blank\" rel=\"noreferrer noopener\">Defence Current Affairs<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-outline is-style-outline--4\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs?newsmaticargs=custom&amp;posts=today\" target=\"_blank\" rel=\"noreferrer noopener\">Daily Current Affairs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--5\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairsinhindi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Current Affairs In Hindi<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--6\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/news-and-notifications\/\" target=\"_blank\" rel=\"noreferrer noopener\">News and Notifications<\/a><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.edunovations.quiz\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"900\" height=\"150\" src=\"https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/03\/Banner-current-affairs-2-1.jpg\" alt=\"Download this App for Daily Current Affairs MCQ&#039;s\" class=\"wp-image-247\" title=\"\" srcset=\"https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/03\/Banner-current-affairs-2-1.jpg 900w, https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/03\/Banner-current-affairs-2-1-300x50.jpg 300w, https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/03\/Banner-current-affairs-2-1-768x128.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><figcaption class=\"wp-element-caption\">Download this App for Daily Current Affairs MCQ&#8217;s<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\" id=\"News-Website-Development-Company\"><a href=\"https:\/\/www.martindiainfotech.com\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"900\" height=\"150\" src=\"https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/04\/News-Website-Development-Company-Banner.png\" alt=\"News Website Development Company\" class=\"wp-image-438\" title=\"News Website Development Company\" srcset=\"https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/04\/News-Website-Development-Company-Banner.png 900w, https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/04\/News-Website-Development-Company-Banner-300x50.png 300w, https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/04\/News-Website-Development-Company-Banner-768x128.png 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><figcaption class=\"wp-element-caption\">News Website Development Company<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Understanding ISDN: Integrated Services Digital Network Integrated Services Digital Network (ISDN) is a telecommunications standard for digital transmission of voice, data, and video over traditional circuits. Initially developed in the 1980s, ISDN aimed to replace analog systems by allowing multiple services to be delivered over a single line. 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