W Peter H.
VoIP Engineer - AI Agents - FreePBX - SMS - AWS
Top-Rated, Expert-Vetted VoIP & AI Voice Automation Engineer with 20+ years of experience designing high-availability telephony systems and AI-powered phone agents that handle real conversations in real time. I help businesses modernize how they handle inbound calls by replacing outdated IVRs and manual call handling with natural, efficient, AI-driven voice interactions. Whether you need to automate customer support, qualify leads, route calls intelligently, or integrate voice systems with CRMs and internal workflows, I can architect and deploy the end-to-end solution. Core Specialties • AI Phone Agents (LLM + STT + TTS) with barge-in, memory, and real-time context switching • Asterisk / FreePBX / Kamailio / RTPengine architecture, scaling, and troubleshooting • SIP trunking, call routing, failover, load balancing, SBC architecture • SMS/MMS integration and automated messaging workflows • Linux, AWS, secure network design, and HA deployments • Custom APIs, CRM integrations, call event webhooks, and data pipelines What I Deliver • Voice agents that sound natural and respond instantly • Call flows that handle interruptions and human behavior (not just scripts) • Seamless integration with business applications (CRM, billing, scheduling, etc.) • Reliable, secure, production-grade VoIP environments • Clear documentation, long-term maintainability, and zero vendor lock-in Experience Highlights • Developed high-availability telephony infrastructure at TeleConnx Inc. • Built privacy-focused communication platforms for Mecca Hosting, Inc. • Created enterprise-grade AI voice automation for Nomo • Led development engineering efforts supporting mission-critical systems at Lockheed Martin • Managed large-scale Linux server fleets and network operations at IBM I work efficiently, communicate clearly, and always deliver solutions that are fast, reliable, and built to scale. If you have a complex or time-sensitive project, I’m the engineer you want on it. If you’re looking to: • Add AI intelligence to your phone system • Replace manual call center interactions • Improve reliability, routing logic, or call quality • Integrate voice + SMS + automation into a single workflow • Or rescue a failing telephony deployment Let’s talk — I can help.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $33
Billed in all: $412,117$412k
$17 in the last 6 months
Across 291 contracts
Earnings, last 30 days
Skill rankings: Top 29% in C
Ranked by MRR among everyone on Upwork with the skill.
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