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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! 🚀

⌚ 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?

Thanks for your auspicious visit to my Profile. I am Arpit, the CEO and founder of Inextrix Technologies. With 12 years of long experience in VoIP, we have completed 1000+ projects not only specialising in VoIP but IoT Mobile Applications, Web Development and Product Development in each business vertical. Before we were limited to VoIP services but after grabbing immense experience, we successfully launched our Softswitch called ASTPP and propogated across the globe wherein received great success. Today our product reached 96 countries and have 5000+ customer who is actively using our billing software. There are 3 entities under the Inextrix roof and are mentioned below: (SOLUTIONS) 1. ASTPP (Billing Software) 2. ICALLIFY (Omni Channel Contact Centre Solution) 3. Fonimo App (Mobile Sip Dailer can able to integrate with Any system) (SERVICES OFFERING): - PBX (Hosted and IP Both) - SBC( Switch Board Controller) - Cluster Set Up (Support high-end concurrent calls) - Freeswitch-based Development and Customization - Asterisk based on Development and Customization - Opensips based on Development and Customization - Kamailio based on Development and Customization - VICIdial Installation, Customization and offering Themes WebRTC Application Development - Audio & Video Conferencing - WebRTC, Jitsi, Janus, OpenTok, Kurento - Screen Sharing, Recording - Online Tutoring and E-Learning - Telemedicine and Health Applications - Video Broadcasting and Live Streaming - SFU, STUN & Multiple Server architectures VoIP Service: - Asterisk/Freeswitch/OpenSIP/Kamailio setup & Configurations - PBX System & Software Development - Unified Communication Software - CallCenter Softwares - DID Management - Auto/Predictive Dialer - Mobile or Sip or VoIP Dialers - Real-Time billing software - Distributed Server Architecture - Load Balancing and failover setup - Server Administration, Maintenance & 24*7 Support IOS/Android Apps Development: - IoT Based Mobile Applications and Portfolio Available. - Fleet Management Based Application Development - Social Networking - SMS, IM Chat Implementation - Travelling, Navigation, and Weather forecasting Apps - White-labelled VoIP/SIP Dialer - Restaurant, Marketplace, Ecommerce Applications - Real Estate Mobile Apps Development - PWA in React Native Hire Dedicated Resources - Mean Stack - Mern Stack - Dev Oops - Front End - Back End - Quality Analyst - Full Stack - Python Developer - Android Developer - iOS Developer - ReactNative Developer - Data Analyst - UI/UX - Graphics Designer - Business Analyst - Project Manager Website and Web Application Development - Static/dynamic Site Design & Development - PHP, Laravel, Yii2, Codeignetor - Ecommerce Sites - Magento and Shopify - Content Management System - Woo-commerce, WordPress, SquareSpace, Wix - Full Stack Development (Node.js, React, Angular, ReactNative, Vue.js) Approach us today for a free consultation with our expert and see how it goes. You are most welcome to visit our office located in India.

I am a Senior Systems & Network Administrator with 18+ years of experience, including 5+ years supporting U.S.-based MSP clients, delivering secure, scalable, and high-performing IT environments. I specialize in end-to-end infrastructure management across on-prem, hybrid, and cloud platforms. My expertise spans Microsoft ecosystems, enterprise networking, virtualization, backup/recovery, security, and VoIP systems. I have successfully managed environments ranging from small businesses (20 users) to enterprise setups, handling everything from daily operations to complex migrations, security hardening, and performance optimization. 🔷 Core Expertise 🖥️ System Administration Windows Server (2012–2025) Active Directory / Azure AD (Entra ID) DNS / DHCP Remote Desktop Services (RDS) Microsoft Exchange (On-Prem & Hybrid) Microsoft 365 / Office 365 Azure Administration Intune (Endpoint Management / MDM) Google Workspace Administration ☁️ Cloud Platforms Microsoft Azure AWS (EC2, VPC, IAM basics) Google Cloud Platform (GCP) DigitalOcean 📱 MDM & Identity Microsoft Intune JumpCloud Device compliance & policy enforcement Identity and access management (IAM, MFA) 🖧 Server & Virtualization Dell EMC, HPE ProLiant, Lenovo, Supermicro Hyper-V, VMware ESXi Nutanix (AHV) Proxmox Server performance tuning & troubleshooting 💾 Backup & Disaster Recovery Veeam Veritas Commvault Immutable / WORM backup strategies Disaster recovery planning & testing 🗄️ Storage (NAS/SAN) Dell, HPE, Lenovo Synology, QNAP Storage design, RAID, performance optimization 🌐 Network Administration Cisco (92xx / 95xx – Access, Distribution, Core) VLANs, routing, segmentation Firewalls: Fortigate SonicWall Sophos VPN (Site-to-Site / Remote Access) Aruba WLC & Aruba ClearPass (NAC) Network security & performance monitoring 🔐 Security Endpoint Security: Cortex XDR ESET Kaspersky Symantec Mail Security: Barracuda Proofpoint Cloudflare Microsoft Defender for Office 365 Ransomware protection & hardening Zero Trust and MFA implementation ☎️ VoIP Systems FreePBX 3CX Yeastar Avaya IP Office Grandstream SIP, IVR, call routing, troubleshooting 🔷 MSP Experience With 5+ years in U.S. MSP environments, I bring: Strong ticketing & SLA-driven support experience Remote infrastructure management across multiple clients Proactive monitoring and issue resolution Clear documentation and communication 🔷 What I Can Help You With Full IT infrastructure management Microsoft 365 / Azure / Google Workspace administration Server & virtualization deployment and migration Network design, firewall hardening & VLAN segmentation Backup, disaster recovery & ransomware protection Security implementation (endpoint + email + identity) VoIP setup and troubleshooting IT audits and performance optimization MSP-style helpdesk & long-term support 🔷 Why Choose Me 18+ years of hands-on experience Strong MSP background with U.S. clients Deep expertise across systems, network, and security Reliable, responsive, and detail-oriented Proven ability to take full ownership of IT environments 🔷 Availability Available for long-term and project-based work Comfortable working in U.S. time zones Responsive for urgent and critical issues

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)

Managing various application of Linux/Unix environments. ✔️ Linux:- CentOS | Ubuntu | Debian | Redhat ✔️ Apache | Nginx | LiteSpeed | MySQL | PhpMyAdmin | CWP | WHM | cPanel ✔️ Deployments:- LAMP | LEMP | Node.js | Python | Tomcat | JBoss | RoR ✔️ CMS:- Wordpress | Drupal | Joomla | Mediawiki | Moodle ✔️ Email Servers:- Zimbra | Postfix | Mail-in-a-box | modoboa ✔️ Google GSuite | Microsoft 365 Admin | Sendgrid | AWS SES ✔️ Networking/Firewall | PfSense | IPFire | OpenVPN ✔️ DNS | NFS | SAMBA| FreeNAS ✔️ DevOps | CI/CD | Jenkins | Ansible | Git ✔️ Containerisation | Docker |Kubernetes ✔️ FreePBX | Digium VOIP System ✔️ Cloud Platform | AWS | Linode | DigitalOcean | Azure | GCP ✔️ VMware | vSphere (vCenter, ESXi) | VirtualBox | KVM | QEMU