Faisal A.
Telephony Architect | FreePBX, Asterisk, 3CX | Call Centers | 12+ Yrs
I design, build and keep business phone systems running. My biggest build is a hybrid call center with 1,200+ extensions handling 5,000+ calls a day, and I still support it at L2/L3 today. The same architecture-first approach applies whether you have 10 extensions or 1,000. WHAT I BUILD (SETUP) • FreePBX, Asterisk, 3CX, FusionPBX, Issabel, VitalPBX, Yeastar, Bicom: new builds, migrations, high-availability clusters • RingCentral, Zoom Phone, Webex, Nextiva, 8x8, Talkdesk, GoTo Connect: setup, call flows, AI receptionists, provisioning • Call centers: queues, IVRs, Vicidial dialers, CRM integrations (Salesforce, Zoho, Odoo, custom), reporting, recording archives • SIP trunking with Twilio, Telnyx, Bandwidth, Flowroute, Commio, SignalWire and more, with failover • SMS and 10DLC registration, brand and campaign setup, shortcodes, messaging compliance • Voice AI agents (Vapi, Retell, LiveKit), n8n workflows, AI call analysis WHAT I KEEP RUNNING (SUPPORT) • L2/L3 troubleshooting: one-way audio, call quality, registration drops, trunk and routing faults • Security hardening: firewall, fail2ban, SIP encryption, toll-fraud protection • Prepaid support hours and monthly retainers, so an expert is on call when something breaks WHAT CLIENTS SAY "PHENOMINALLY helpful! Extremely quick to respond, will 150% work with him again." "Went above and beyond to get things just right." WHY CLIENTS HIRE ME • 100% Job Success, Top Rated, 5-star reviews • I start from your goal, then design something that scales instead of patching symptoms • Replies within hours, clear scope and price, documented handover HOW TO START Message me your current system (or the one you want) and what is going wrong or what you need. You get a clear plan, timeline and price. Prefer to start small? See my prepaid support plan in my project catalog.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $592
Billed in all: $9,690$9.7k
$148 in the last 6 months
Across 31 contracts
Earnings, last 30 days
Skill rankings: #1 in 1 skill of 20
Rarest: top 20% in OpenSIPS, of 35. Ranked by MRR among everyone on Upwork with the skill.
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