Md.Shamim Ahmed R.

Are you struggling with VoIP system issues, telecom compliance, or PBX deployment? With 10+ years of hands-on experience, I deliver end-to-end VoIP engineering and telecom compliance solutions that keep your business running and compliant. I specialize in: 🔧 VoIP Platform Expertise • 3CX (Advanced Certified) — design, deployment, migration, troubleshooting • FreePBX / Asterisk / Issabel / Elastix • FusionPBX / FreeSWITCH • PortaOne / PortaSwitch / Telinta • Grandstream UCM series • Yeastar S & P Series 📋 Telecom Compliance (Rare Specialty) • STIR/SHAKEN implementation & attestation • FCC Form 499 filing • OCN registration & filing • Robocall mitigation compliance 🌐 Network & Infrastructure • SIP trunk provisioning (Twilio, Bandwidth, Telnyx, VoIP.ms) • Fortigate, Sophos, SonicWall firewall configuration • QoS & VLAN setup for voice traffic • E911 configuration • Endpoint provisioning (Cisco, Poly, Yealink) ☁️ Cloud & Virtualization • MS 365, Azure, AWS • VMware vSphere / ESXi • Linux (RHEL, CentOS, Ubuntu) 🏆 Certifications • 3CX Advanced Certified • CCNA — Cisco Certified Network Associate • RHCSA & RHCE — Red Hat Certified • VMware Data Center Virtualization Notable projects include deploying VoIP platforms for banks, 2000+ user mail server deployments, and full data center virtualization implementations. I work with small carriers, CLECs, UCaaS providers, VoIP resellers, and businesses of all sizes. Whether you need a quick fix or a full system deployment — I deliver reliable, enterprise-grade solutions. Let’s talk about your VoIP challenges today.