Building AI in production · Australia

Hassan Ul
Hasan Khan

Senior Project Manager · VoIP Architect · AI Builder · 10+ years

I deliver the communication platforms organisations depend on — from 30,000-customer zero-downtime migrations in 48 hours to production AI voice agents powered by ElevenLabs and Claude AI. End-to-end ownership. Zero downtime. At scale.

AI Voice Agents RAG Chatbots Claude AI VoIP / SIP FreeSWITCH MS Teams Direct Routing Zero-downtime migrations PCI-DSS

Father · Builder · Project Manager

21+

Projects delivered

30K+

Customers migrated

48h

Fastest migration

Downtime achieved

AI in production

Currently building with AI

Not demos. Not prototypes. Live production systems serving real clients in Australia.

🎙️

AI Voice Agent — Agentic IVR Platform LIVE

Multi-vertical · 4-person team · Production · Australia

Inbound call

→

FreeSWITCH / FreePBX

→

ElevenLabs voice

→

Claude AI (LLM)

→

Level 1 resolved

↓ complex

Human agent (L2)

Deployed across restaurants, ISPs, healthcare, e-commerce, and order booking. SOLANT products: OZSMS · 2Teams · CallIN.

💬

RAG Chatbot — Intelligent Client Support LIVE

3 products · 2-person team · 3 weeks delivery

Client query

→

Claude AI

RAG knowledge base

→

Accurate answer

OZSMS · Tone2Pay · DirectConnect

Portfolio

Key projects

21 projects delivered across Australia and Pakistan. All end-to-end ownership.

🤖

AI · Ongoing

AI Voice Agent — Agentic IVR Platform

ElevenLabs + Claude AI + FreeSWITCH. Level 1 support automated across 5 verticals with seamless SIP escalation to human agents.

ElevenLabsClaude AIFreeSWITCHSIP

💬

AI · RAG · 3 Weeks

RAG Chatbot — Client Support Suite

Claude AI + RAG architecture as web widget across OZSMS, Tone2Pay, DirectConnect. Context-aware answers from real product knowledge bases.

Claude AIRAGWeb Widget

📞

VoIP · 7 Months

VoicePilot — White-Label DID Platform

25,000+ DIDs managed. Nuware + Symbio REST API. Full carrier abstraction — end clients never see the underlying carrier.

NuwareSymbioREST APIDNS/SSL

🖥️

VoIP · 3 Months

CallIN Advanced Control — White-Label Telephony

FreePBX fully abstracted behind custom branded UI. Postcode management via MariaDB. Real-time CDR & recordings to Dubber.

FreePBXGraphQLMariaDBDubber

⚡

Migration · 48h

HiperTel C5 — 30,000 Customer Migration

Zero-downtime migration of banks, hospitals, and national support centres in 48 hours across dual data centres. EOL replacement of Cisco BTS10200.

HiperTel C5Dual DC HAZero downtime

📊

Monitoring · Solo · 45 Days

Enterprise Monitoring Stack

Prometheus + Grafana + Icinga2 + Alertmanager across 60+ servers. Solo delivery in 45 days. Email, SMS, Slack, WhatsApp alerting.

PrometheusGrafanaIcinga260+ servers

💳

PCI-DSS · 24 Months

Tone2Pay — PCI-DSS Secure Payment

Secure call centre payment processing without transmitting cardholder data to agents. Full PCI-DSS compliance for call centres and online businesses.

PCI-DSSDTMFVoIP

🗄️

12 Months · Team: 15

AdvOSS Class 5 Softswitch

35,000+ customers across 200,000+ DIDs on Residential and SIP Trunking. Overcame RFC compliance, HFC integration, and stability challenges.

AdvOSSKamailio200K+ DIDs

🔗

MS Teams · 12 Months

DirectConnect — MS Teams Direct Routing

Configure Microsoft Teams Direct Routing with any carrier — no PowerShell required. UI-driven enterprise telephony integration simplified.

MS TeamsAudioCodesSIP

🔌

Integration · 4 Months

CRMNG & Softswitch Integration

Eliminated 100% manual provisioning across 25,000+ customers. .NET CRM to Kamailio via REST APIs — GPON, HFC, SIP Trunk, POT Lines.

.NET CRMKamailioREST API

📱

SMS · 24 Months

OZSMS — Enterprise SMS Platform

Enterprise SMS and multi-channel messaging. Notifications, alerts, and customer engagement at scale via API-driven channels.

SMPPREST APIsLinux

🛡️

LDI · Millions in revenue

ACME SBC — LDI Traffic Expansion

4 ACME SBCs in HA pairs — 10,000 concurrent sessions. Self-directed R&D on EOL hardware. Peering: Jazz, Ufone, Zong, PTCL.

ACME SBC10K sessionsHA

Career

Professional experience

10+ years across Australia and Pakistan delivering enterprise telecom and AI platforms.

Aug 2021 — Present
4+ years

Senior Project Manager / VoIP & Solutions Engineer

SOLANT Pty Ltd · Remotely — Australia & Pakistan

Managed 10+ concurrent VoIP, UCaaS, and AI voice platform projects — scope, risk, budget, vendor coordination, and C-level reporting
Delivered AI Voice Agent (ElevenLabs + Claude AI) and RAG Chatbot — positioning SOLANT as an AI-first telecom provider in Australia
Primary support owner for confidential Australian ISP — 10,000+ clients, 100,000+ extensions, 1,500+ tickets resolved annually over 4+ years
Solo-delivered enterprise monitoring stack across 60+ servers in 45 days — Prometheus, Grafana, Icinga2, Alertmanager
Delivered VoicePilot (25K+ DIDs), Tone2Pay (PCI-DSS), OZSMS, DirectConnect, CallIN, Bicom CPBX Upgrade

Oct 2015 — Aug 2021
6 years

Assistant Manager — Voice NOC / Core Network Engineer

Wateen Telecom Limited · Lahore & Karachi, Pakistan

Zero-downtime migration of 30,000+ customers from Cisco BTS10200 to HiperTel C5 in 48 hours — banks, hospitals, national support centres
Self-initiated Prepaid SIP Trunking for SMB market — identified gap, proposed, built, launched — 200+ new enterprise clients
Led 15-person, 12-month AdvOSS Class 5 deployment: 35,000+ customers, 200,000+ DIDs
CRMNG-Softswitch integration eliminated 100% manual provisioning for 25,000+ customers via REST APIs
Solo-delivered VMware vCenter 6.7 (24 hosts, 155 VMs) and first-ever Veeam backup infrastructure in 4 days

Expertise

Skills at a glance

🤖

AI & Automation

Claude AI / RAG95%

ElevenLabs Voice AI90%

Agentic AI architecture88%

REST API integration95%

📞

VoIP & Telecom

FreeSWITCH / Asterisk98%

SIP / RTP / SS797%

MS Teams Direct Routing93%

ACME SBC / Ribbon SONUS95%

📋

Project Management

End-to-end delivery99%

Risk & budget management95%

Team leadership (15+)93%

Vendor management92%

Insights

From the blog

Real lessons from delivering telecom and AI projects at scale. No theory — only what actually works.

🤖

AI · Voice

Building an AI voice agent on FreeSWITCH + ElevenLabs — what nobody tells you

The SIP architecture decisions that make or break production AI voice agents in Australia.

Hassan HK8 min readComing soon

⚡

Project Management

How we migrated 30,000 customers with zero downtime in 48 hours

The planning, risk mitigation, and automation that made a 48-hour migration of banks and hospitals possible.

Hassan HK12 min readComing soon

💬

AI · RAG

RAG chatbots in production telecom support — lessons learned

What it actually takes to deploy a Claude AI RAG chatbot across live products. The edge cases nobody warned me about.

Hassan HK6 min readComing soon

🔧

VoIP · Architecture

Why white-labelling FreePBX is harder than it looks

The GraphQL vs REST API decision, MariaDB direct access, and the Dubber CDR pipeline that makes it work.

Hassan HK9 min readComing soon

📊

Infrastructure · DevOps

Solo in 45 days: building an enterprise monitoring stack from scratch

Prometheus + Grafana + Icinga2 + Alertmanager across 60+ servers. What I learned building it alone.

Hassan HK7 min readComing soon

🌏

Career

Telecom PM skills in the AI era — what to learn, what to drop

After 10 years in VoIP and deploying AI voice agents in production, here's what has stayed essential.

Hassan HK5 min readComing soon

Get in touch

Let's build something great

Open to senior PM and PMO roles globally

Available for Senior Project Manager, PMO Manager, and Solutions Architect roles in KSA, UAE, Australia, Germany, Canada, and remote. Happy to discuss your project or organisation's needs.

✉️

hassanhkhan7@gmail.com

📱

Phone / WhatsApp

+92-303-6966667

🔗

linkedin.com/in/hassanhkhan7

🌐

Website

buildwithhassan.com

📍

Location

Lahore, Pakistan · Open to KSA · UAE · AU · DE

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