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👋 Hi, I'm Hepshiba Beula, a Networking Engineer with 4+ years of experience specializing in Optical Networks (ONTs & OLTs), VoIP, PBX, Asterisk, Wi-Fi module development, and Network Administration. I have hands-on expertise in embedded systems, networking protocols, and firmware development for high-performance telecommunications solutions. Key Expertise: ✅ ONTs Development & Support – Data flow monitoring, VoIP support, OMCI stack enhancements ✅ Wi-Fi Module Engineering – Performance optimization, debugging, and system enhancements ✅ VoIP Network Enhancements – SIP signaling, VoIP debugging (Asterisk, Wireshark), FXS device integration, FreePBX deployment ✅ Network Administration – VLANs, switch-based configurations, traffic monitoring (Ixia, Spirent) ✅ Embedded Software Development – C programming, Data Structures, Linux-based development ✅ Packet Analysis & Debugging – Deep packet inspection, protocol debugging (Wireshark, Asterisk) ✅ OLT Support – Ensuring seamless integration and maintenance of Optical Line Terminals Professional Experience Highlights: 🔹 Optical Networks (ONT Development & OLT Support) Developed OMCI stack interfaces for ONTs, enabling seamless network provisioning. Worked on PON activation, MIB Upload, and software upgrades for Adtran ONTs. Designed and implemented CFM Protocol on Cortina-based targets. Monitored data flow and ensured VoIP support for ONTs in live network environments. 🔹 Wi-Fi Module Enhancement & Debugging Enhanced and maintained the BGW320 Wi-Fi module for AT&T residential gateways. Debugged and optimized Wi-Fi performance, including network stability and traffic flow. 🔹 VoIP & Network Optimization Implemented VoIP handling in FXS devices (Cortina 6xx, BRCM 8xx, 62x). Debugged VoIP packets using Asterisk, Wireshark, ensuring high call quality. Managed SIP signaling and VoIP enhancements for network efficiency. Has experience in deploying FreePBx on cloud server and configuration of trunk and SIP routing and extension 🔹 Network Configuration & Traffic Analysis Monitored and optimized network traffic using Ixia, Spirent for data packet analysis. Configured VLANs, switches, and network routing for optimal data flow. Tech Stack & Tools: 💻 Languages: C, Python, Shell Scripting 🛠 Tools: Git, JIRA, Bitbucket, Confluence, Perforce, Wireshark, Asterisk, IXIA, Spirent 📡 Platforms: Linux/Unix, Residential Gateways, Optical Line Terminals (OLTs), Optical Network Terminals (ONTs) I am open to networking, IT infrastructure, and embedded systems roles, bringing strong problem-solving skills and expertise in network administration, VoIP, and optical networking solutions. Let’s connect and collaborate! 🚀

I help businesses build reliable, scalable communication systems and web applications by combining deep expertise in VoIP (3CX & Yeastar) with full-stack development and API integrations. With 6+ years of experience in 3CX, hands-on expertise in Yeastar Cloud PBX, and 3+ years in full-stack development, I specialize in delivering end-to-end solutions — from telephony infrastructure to CRM integrations and custom dashboards. 🔥 What I Can Do For You ☎️ VoIP & PBX Solutions (3CX + Yeastar) 3CX setup, configuration & troubleshooting (V18/V20) Yeastar Cloud PBX deployment & management SIP Trunk integration (Twilio, Telnyx, Flowroute, etc.) IVR, Call Queues, Ring Groups, Call Routing Predictive / Progressive Dialer setup Call recording, reporting & analytics Multi-tenant PBX architecture DID management & call flow optimization 💻 Full Stack Development Backend: PHP, Node.js, Golang Frontend: JavaScript, HTML, CSS, Bootstrap, Tailwind Database: MySQL, PostgreSQL Build scalable CRM systems & dashboards WebRTC / SIP dialer development Real-time systems & automation workflows 🔗 API Development & Integrations (Swagger/OpenAPI) REST API design & development Swagger/OpenAPI documentation CRM integrations (Zoho, Salesforce, Monday, etc.) Webhooks, automation, and data sync systems 🌐 WordPress Development Custom theme & plugin development Website optimization & speed improvements API integrations with WordPress Business websites & landing pages 💡 Why Clients Choose Me ✔ 6+ years in VoIP & telephony systems ✔ Strong backend + infrastructure understanding ✔ Fast troubleshooting & problem-solving ✔ Clean, scalable, production-ready solutions ✔ Excellent communication & long-term support 📌 Recent Work Highlights Built multi-company 3CX dialer system with CRM integration Deployed Yeastar Cloud PBX for international clients Developed VoIP analytics dashboards & call tracking systems Integrated Twilio / Telnyx with custom applications Created API-driven automation workflows using webhooks 🎯 Let’s Work Together If you need help with: Setting up or fixing your 3CX / Yeastar PBX Building a custom dialer or VoIP system Integrating APIs or CRM systems Developing a scalable web application 👉 Send me a message — I’ll provide a clear solution quickly.

Support and development on asterisk, vicidial, goautodial, fusionpbx, freeswitch Linux System Administration ( CentOS, Debian, Ubunut) Database Management (Mysql, PostgreSQL) Network Administration (Router, Switch, Hardware Firewall)

⌚ Full-Time Freelancer on Upwork With 20+ years of experience in technology, automation, and client-focused solutions, I help businesses scale, innovate, and succeed through both strategic consulting and hands-on execution. key offerings include: Product & Application Excellence: QA automation, digital marketing, branding, mobile apps, CRM/ERP, Blockchain, UX/UI websites, Salesforce, and cloud solutions. AI & Emerging Tech: AI/ML, chatbots, IoT, NLP, conversational AI, and custom software development. Automation & SaaS: AI-driven automation and tailored SaaS platforms. Telephony & Communication: Twilio, FreeSWITCH, IP PBX, IVR, SMS broadcasting, OpenSIP, RVM, and custom call center solutions. I am keen to collaborate on projects where I can deliver measurable impact—whether enhancing customer engagement, streamlining operations, or building scalable digital ecosystems. Would you be open to a quick conversation to explore how my expertise can support your upcoming initiatives?

🚀 VoIP & AI Integration Expert | Asterisk • FreePBX • 3CX • ViciDial • FreeSWITCH • Kamailio • Twilio • AI Voice Bots **$80.00/hr** I’m an experienced **VoIP and AI integration specialist with 18+ years of hands-on expertise**, helping global clients, MSPs, and telecom startups design, deploy, and manage **high-performance, scalable, and intelligent communication systems**. #### 💡 What I Do * **VoIP System Design & Deployment:** Asterisk, FreePBX, FreeSWITCH, 3CX, ViciDial, FusionPBX, Kamailio, OpenSIPS * **AI-Driven Voice Automation:** Build and integrate AI voice bots using OpenAI Whisper, Hugging Face, Coqui STT, and Google TTS for intelligent call handling, sentiment analysis, and summarization * **MSP & Telecom Solutions:** End-to-end hosted PBX, SIP trunking, SBC setup, multi-tenant architecture, and VoIP security hardening * **Integration & Automation:** Twilio, Microsoft Teams, ZohoCRM, Salesforce, HubSpot, REST APIs, WebRTC, and WhatsApp Business API * **Billing, Monitoring & Analytics:** A2Billing, ASTPP, real-time call analytics, reporting dashboards #### ⚙️ Technical Expertise * VoIP: Asterisk, FreePBX, FreeSWITCH, 3CX, Kamailio, OpenSIPS, ViciDial, A2Billing * AI Platforms: OpenAI Whisper, Hugging Face, Coqui STT, Google TTS * Networking: Cisco, Unifi, D-Link, TP-Link * Cloud: AWS, Azure, Google Cloud, DigitalOcean, Linode, Vultr * Programming: Python, PHP | Databases: MySQL, PostgreSQL, MongoDB * MSP Tools: Atera, Datto RMM, ConnectWise, Wazuh SIEM, PRTG #### 🧩 Notable Projects * **Voice Bot System:** Built an AI voice assistant with OpenAI Whisper & Hugging Face integrated into FreePBX for live call handling, summarization, and response generation. * **Conversation Analytics:** Automated FreePBX call recording ingestion, sentiment analysis, and report visualization. * **DocuBot:** AI chatbot for website/PDF-based Q&A. * **Automated NIFTY 50 Trading System:** Multi-model trading AI using HMM, LSTM, GARCH, and ARIMA integrated with Zerodha API. #### 🏆 Certifications * dCAA – Digium Certified Asterisk Administrator * FreePBX Certified Essentials | PBXAct Certified Essentials | Switchvox Certified Essentials * SBC Certified Essentials * Cisco Certificate in Ethical Hacking #### 💬 Why Clients Hire Me I combine **deep VoIP architecture expertise** with **modern AI capabilities**, enabling businesses to automate, optimize, and scale their communication systems. Whether you’re building a new hosted PBX, integrating AI into your call flow, or migrating to a secure cloud telephony environment—I’ll help you get there smoothly and efficiently.

Hi I am a CCNA Certified Network Engineer with more than 5 years of professional experience in handling networks both in-house as well as on remote support . I can help you regarding logical/physical network design, devices configuration, assist you in Lab exercises (packet tracer). Well versed in End-to-End Network Setup for any environments. Network Certifications: CCNA Routing & Switching no: CSCO13148074, Microsoft Certified Professional no:15789620. Devices Worked on: Cisco Hand on Exp : -Routers : 1800,3600,7200, etc. -Switches : 3500,3700,4500, Nortel 4548 GT Switches , Sophos XG 210 Firewall, Sophos Cyberom Frewall. Technical Skills: VTP, STP, VLAN, MPLS, BGP, OSPF. Network Diagramming: Visio 2003, 2010 Servers: LAMP,Mail Server (Zimbra),VOIP Server(Aestrisk). -Microsoft Active Directory, DNS, DHCP, Group/Domain Security Policy -Responsible for maintaining and monitoring performance of network. -Provide first-level technical support; assisting users who have network problems. -Deliver support for Remote Access VPN and troubleshooting when necessary -Support and provide solutions for network failures, making recommendations for possible fixes. -Network Design & Network Management.