FreeSWITCH & OpenSIPS Masterclass

@farooqtahir2013

With solid experience spanning over a decade, I am the seasoned professional you need for your FreeSWITCH & OpenSIPS Masterclass. My expertise in Network administration, VOIP solutions like Asterisk PBX，Linux and Network Security positions me perfectly to train you in the technical arts you require, from building the basics to advanced troubleshooting. In previous roles, I have built and implemented Network infrastructure for a variety of businesses ranging from small to enterprise-sized firms, deploying VOIP systems similar to what you want to learn. This experience gives me an edge as I fully comprehend your desired end-product because I've delivered it countless times before. Not only will I teach you how to troubleshoot efficiently using logging and diagnostics tools such as Homer, fs_cli, and Sagep, I will also give you comprehensive hands-on labs that simulate real scenarios. Notably, my training is never a one-off - I'm always available whenever students need them most. Possessing a proactive and engaging teaching approach, I am committed to ensuring that by the end of our engagement, you can easily read and interpret FreeSWITCH and OpenSIPS logs, secure deployments with industry best practices, and even fine-tune the stack for higher call volumes. Benefit from my strong track record of 100% project delivery- let’s start!

@MRARIFAKRAM

Having earned my stripes over 8 proficient years in the IT industry, I'm Muhammad Abdullah and I am highly motivated to dive into the FreeSWITCH and OpenSIPS sphere with you. My extensive knowledge of Linux, SIP, VoIP, and other associated technologies has equipped me exceptionally well for your requested Masterclass. The training will commence by ensuring solid foundations; from there we'll delve rapidly into deep-dive modules, focusing on pertinent areas such as diagnostics, security best practices, and performance optimization. My proficiency in Asterisk PBX paired with FS_CLI, Homer, etc will undeniably enhance your comfort in reading logs to isolate issues

@iosifpeterfi

Hi there-your goal to move from beginner to confident troubleshooting on FreeSWITCH and OpenSIPS, with solid security and performance, is exactly what I design. I'm Iosif Peterfi, 15+ years guiding teams through complex web and communications deployments. Based in Europe, I bring a calm, results-driven, business-focused approach. This is my speciality: turning complex VoIP setups into clear, repeatable training with measurable business value. I'll map a hands-on masterclass around your real-world needs: foundation check, deep dives on diagnostics and logging, security, and performance; live troubleshooting with real scenarios; crisp notes, editable lab configs, and recorded sessions for revisiting, with practical labs and tools like Wireshark and sngrep. Last quarter I delivered a hands-on program for a regional telecom; their ops team cut incident resolution time by 60% and standardized security checks across deployments. Onboarding for new staff was simplified, speeding time-to-value and consistency. Let's chat - I can walk you through the plan and how we'll hit your acceptance criteria and business goals. Portfolio: https://www.freelancer.com/u/iosifpeterfi

@MQamar123

As a programmer with over 7 years of broad experience in various domains, I come equipped with the skills and determination needed to make your FreeSWITCH & OpenSIPS masterclass a resounding success. Not just versed in the basics, I am well-versed in advanced troubleshooting, maintenance, and security practices needed to transform beginners into experts in this field. To ensure we bridge any possible knowledge gap before diving into deep-dive modules on diagnostics, security best practices, and performance optimization, I would take you through a refresher course. Finally, my experience encompasses not just software development but also web and app development using Node.js, React.js / React Native,Laravel ,which makes me an adaptable trainer ready for your preferred Zoom/screen sharing sessions that's spread over several days or weekends whichever option is most comfortable for your schedule.I’ll patiently guide you through reading & interpreting logs to isolate issues，Securing new deployments following the best industry practices and Benchmarking & fine-tuning stacks for optimum performance. Remember; meeting *your* expectation is key for me! Let's move you from beginner to pro!

@mharianto164

Hello, Elevating your skills in FreeSWITCH and OpenSIPS requires a structured approach that balances theory with practical application. Understanding how to read logs and secure deployments is crucial, especially as you aim to handle higher call volumes effectively. The challenge here lies in mastering both the technical nuances of these systems and the real-world scenarios that can arise during troubleshooting. I've guided others in similar training, focusing on hands-on configuration and solving real issues in real-time. For instance, I've worked extensively with logging and diagnostics in VoIP environments, leading to improved troubleshooting efficiency and system reliability. My experience includes developing training materials that break down complex concepts into digestible modules, ensuring learners can apply their knowledge confidently. To facilitate your learning, I propose a phased approach that includes: - Initial assessment of your current knowledge to tailor the foundation review - Deep-dive sessions focusing on diagnostics and security, followed by performance optimization - Live troubleshooting exercises to reinforce learned concepts - Recorded sessions and lab configurations for future reference What specific areas do you feel you need the most support with? - Are there particular scenarios or failures you've encountered that you'd like to prioritize? - How do you envision balancing theory with hands-on labs throughout the masterclass? Best regards, Moh Harianto

@ivaylo8

Hello, and thank you for the clear, ambitious brief. I’ll guide you from solid fundamentals to confident, hands-on mastery of FreeSWITCH and OpenSIPS with a highly practical, patient approach. We’ll start with a concise foundation check, then dive into focused, real-world modules: diagnostics and logging (call traces, SIP capture, fs_cli, Homer), security best practices (TLS, ACLs, antifraud, topology hiding), and performance tuning (load balancing, caching, and fine-tuning Sofia/SIP and dispatcher settings). Expect a lot of live troubleshooting, failure replication, and step-by-step fixes on your own lab setup. You’ll receive recorded sessions, editable lab configs, and crisp notes for review. The format will be Zoom-style screen shares, spread over weekends or days that fit your schedule, with hands-on labs and recommended tools (Kamailio, sngrep, Wireshark, etc.). By the end, you’ll read logs accurately, secure a deployment to industry standards, and fine-tune for higher call volumes. Best regards, Ivaylo

@billybryan98

Hello, I appreciate the chance to tailor a masterclass that takes you from beginner to confident in FreeSWITCH and OpenSIPS. I’m an independent VoIP trainer with hands-on experience deploying and tuning real-world PBX ecosystems, focusing on robust diagnostics, security, and performance. You’ll get clear foundations, followed by deep-dive modules on call traces, SIP capture, TLS, antifraud rules, load balancing, and topology tuning. I’ll emphasize hands-on labs, live troubleshooting of scenarios, with recorded sessions, editable configs, and concise notes for later review. I can structure the program to fit your schedule, spread across weekends or compact weekday sessions, with practical labs and tips on tools like Kamailio, sngrep, and Wireshark to illustrate concepts. By the end, you’ll read logs effectively, secure deployments according to best practices, and tune the stack to handle higher call volumes without sacrificing quality. Best regards, Billy Bryan

@indreshpnk

Hello, I understand you need a patient, technically-savvy trainer to take you from beginner to advanced in FreeSWITCH and OpenSIPS. The goal is to deliver a hands-on, structured masterclass that builds your confidence in troubleshooting, security, and performance optimization. Here’s what I can provide: Foundation & advanced modules – solid basics followed by deep dives into diagnostics, logging, security, and performance tuning. Practical labs & live scenarios – replicate failures, configure systems, and fix issues in real-time. Resources for revisiting – recorded sessions, editable lab configs, and step-by-step notes. I bring over 4+ years of experience in VoIP, FreeSWITCH, OpenSIPS, and Linux, working on real-world deployments and interactive training sessions that prioritize clarity, hands-on learning, and practical problem-solving. Just to clarify a few things: What’s your preferred pace and total hours for the masterclass? Are there specific call volumes or deployment scenarios you want to focus on first? Please come to the chat box to discuss more about your project. Best regards, Indresh Kushwaha