https://woojar.com/Recent content on Woojar - Tech & Engineering BlogHugoenSat, 16 May 2026 20:00:00 +0800https://woojar.com/posts/telecom-engineering-journey/Sat, 16 May 2026 20:00:00 +0800https://woojar.com/posts/telecom-engineering-journey/<h2 id="a-journey-through-telecom-evolution">A Journey Through Telecom Evolution</h2> <p>Looking back at my 20 years in telecom software development, I&rsquo;ve witnessed incredible technological transformations.</p> <h3 id="early-days-circuit-switched-networks">Early Days: Circuit-Switched Networks</h3> <p>When I started, the industry was dominated by traditional circuit-switched networks. We dealt with:</p> <ul> <li>TDM (Time Division Multiplexing) systems</li> <li>SS7 signaling protocols</li> <li>Legacy switching equipment</li> </ul> <h3 id="the-transition-to-packet-networks">The Transition to Packet Networks</h3> <p>The shift to IP-based networks brought new challenges:</p> <ul> <li>Migration from circuit-switched to packet-switched architectures</li> <li>Implementing QoS in IP networks</li> <li>Integrating VoIP with traditional telephony</li> </ul> <h3 id="modern-era-cloud-native-telecom">Modern Era: Cloud-Native Telecom</h3> <p>Today, the landscape has evolved dramatically:</p>https://woojar.com/posts/hello-world/Sat, 16 May 2026 19:19:20 +0800https://woojar.com/posts/hello-world/<h2 id="this-is-my-first-blog-on-my-new-site">this is my first blog on my new site</h2> <p>Hello hugo world!!!</p> <p>BR Jeffrey</p>https://woojar.com/about/Mon, 01 Jan 0001 00:00:00 +0000https://woojar.com/about/<h2 id="hello-im-woojar">Hello, I&rsquo;m Woojar</h2> <p>I&rsquo;m a <strong>telecom software engineer</strong> with over <strong>20 years of experience</strong> in the telecommunications industry.</p> <h3 id="my-journey">My Journey</h3> <p>Throughout my career, I&rsquo;ve worked on various telecom projects including:</p> <ul> <li>Network infrastructure software</li> <li>Telecommunications protocols implementation</li> <li>Real-time communication systems</li> <li>Cloud-native telecom solutions</li> </ul> <h3 id="what-youll-find-here">What You&rsquo;ll Find Here</h3> <p>This blog covers:</p> <ul> <li><strong>Tech Articles</strong> - Deep dives into telecom technologies, software engineering best practices, and industry insights</li> <li><strong>Daily Life</strong> - Work experiences, project stories, and personal reflections</li> </ul> <h3 id="lets-connect">Let&rsquo;s Connect</h3> <p>Feel free to reach out if you&rsquo;d like to discuss telecom technology or software engineering!</p>