Hire the Best Asterisk Experts
in Pakistan

Hello, Thanks for visiting my profile. This is Abid Ur Rehman, a certified Asterisk Developer DCAP, VoIP Consultant, VICIDial, FreePBX SCE, 3CX v18 and v20 Certified Advanced Engineer, Elastix ECE, GoAutoDial, The SIP School SSCA, PBXWare, A2Billing, FreeSWITCH, Twilio, FusionPBX, ASTPP, Network CCNA, Windows Servers MCSE, and Linux RHCE certified expert. I graduated with a BS in Telecommunication and an MSc in Telecommunication Networks. Having over 13 years of VoIP/Linux/IT/network planning, design, development, deployment, optimization, administration, and support experience in top-notch organizations such as Telappliant Ltd., Cybergen, SCB Global, Dialer360, and Astericom. Skills and Certification: IP PBX: 3CX, Asterisk, FreePBX, Elastix, PBXware MT, FreeSWITCH, FusionPBX, Issabel, VoIPOffice AI Agents/Integration: ElevenLabs, Vapi SMS Blast/Broadcast using SignalWire, VoIP.ms, Telnyx, Anveo, Bandwidth, Plivo, Skyetel, Twilio, VoxTelesys, BulkSolutions, Flowroute, Intelepeer, and BulkVS Telecom Billing: A2Billing, ASTPP, VOS3000, and Magnus Billing. Dialer: VoiceBroadcast, VICIDial, GoAutoDial, VICIBox Multi-Server Clustering, Dialer360, Primo Dialer IP Phones: Aastra, AND phone, Algo, AudioCodes, Cisco, Cisco/Linksys, CloudTC, Cortelco, CyberData, Digium, H-Tek, Incom, Intelbras, Konftel, Mocet, Norphonic, Obihai, Panasonic, Patton, Phoenix Audio, Polycom, Snom, Thomson, Unidata, Uniden, VTech, Xorcom, Yealink, Yealink/Dreamwave IP PBX (hardware): Sangoma PBXact UC / FreePBX, Elastix IP PBX, Grandstream UCM, Yeaster S-series, Renegadepbx-1U-Appliance-with-FreePBX, Patton's gateways VoIP Providers: USA and Canada: Astericom, Twilio, VoIPdotms, Switch2VOIP, SignalWire, Anveo, Alcazarnetwork, voxbeam, Telus, RingCentral, Call Centric, Voyant (Vitelity), Nextiva, bandwidth, Altotelecom, FlowRoute, QuestBlue, sipdotus, DIDLogic, Nexmo, Plivo, siptrunkdotcom, Telnyx, IDTExpress, Zadarna SMS and Bulk SMS: I can write code for you to send and receive SMS using any Asterisk and FreeSWITCH server and through popular providers like Telnyx, Twilio, Bandwidth, VoIPdotms, and SignalWire. For bulk SMS, I can set up a code with the front end for sending bulk SMS from a CSV . UK: Fuse 2, BT, VoIPTalk, DrayTEL, Telappliant, Gamma, sipgate, VoIPFone, VoiceFlex, Voicehost, Brightstar, Yellowgrid, Gradwell, T4com Ltd, Voxbeam, and Spitfire Linux Distros: CentOS, Redhat EL, Ubuntu, OpenSUSE, Debian, Back Track (Kali Linux) Windows machines: Windows Server 2012 and 2016, Windows Desktop 11, 10, 8, 7, and XP. Cloud Platforms: AWS EC2 and LightSail, GCP, Vultr, BlueHost, HostGear, Hetzner, and Digital Ocean Coding: PHP, MySQL, Lua, XML, JSON, HTML I would be very happy to assist start-ups as well as SMEs in achieving their goals and business objectives. Thank you!!

I am a VoIP and network security expert with over 7 years of hands-on experience delivering custom communication solutions for businesses worldwide. I specialize in deploying and supporting VoIP systems such as Avaya, Asterisk, 3CX, Mitel, FreePBX, FusionPBX and Kamailio, with deep expertise in SIP routing, SIP trunking, and cloud telephony. I’ve worked with major providers including Twilio, Voip.ms, Telnyx, and Voxtelesys, and offer reliable integration and troubleshooting services. I also have a strong background in VPNs, firewalls, and secure networking — including Fortinet, pfSense, OPNsense, WireGuard, OpenVPN, and IPSec setups — especially for remote access and restricted regions. Additionally, I offer AI Voice Assistant setup and integration with VoIP systems, as well as AI chatbots for websites and WhatsApp Business automation. My clients benefit from project-based deployment, long-term support, and a live lab environment where I demo solutions in real time before final delivery and deliver reliable, well-tested solutions designed around your business needs. Let’s work together to secure and optimize your communications systems.

20+ years expereince in VoIP/SMS setups using IVRs, asterisk , Freeswitch, MS Teams and Opensips/Kamailio and VoIP | Freeswitch | Opensips | Contact Centers| Conversational AI| Amazon Connect|MS Teams

FreePBX | Asterisk | 3CX | FusionPBX | Issabel PBX | Vital PBX | Bicom Systems | Zoom | GoTo Connect | RingCentral | Nextiva | Talkdesk | Cisco WebEx | 8x8 Communications | Twilio | Amazon | Yeastar | Magnus Billing | Vapi AI Agents | Retelai Agents | Livekit AI Agents | N8n ai automation | SMS compliance specialist | 10DLC | shortcode Multi-PBX Deployment Expertise: Proficient in deploying and managing systems like FreePBX, Asterisk, 3CX, FusionPBX, Issabel PBX, VitalPBX, and Bicom Systems to deliver scalable and reliable VoIP solutions for businesses. Unified Communications Solutions: Delivered enterprise-grade communication systems using platforms like Zoom, RingCentral, Nextiva, Talkdesk, Cisco WebEx, and 8x8 Communications, ensuring seamless collaboration and enhanced productivity. FreePBX Sangoma Connect App: Expertise in setting up the Sangoma Connect App for SMS and calling, delivering a seamless mobile communication experience fully integrated with FreePBX systems. Custom Module Development: Designed and deployed custom modules on FreePBX and FusionPBX to enhance features like call reporting, routing, and multi-tenant PBX capabilities. Expertise in migrations between on-premises systems (e.g., FreePBX, 3CX, Asterisk, FusionPBX, VitalPBX, Issabel PBX) and cloud-based systems (e.g., Zoom, RingCentral, Nextiva, Talkdesk, Cisco WebEx, 8x8 Communications). SIP Trunking Expertise: Extensive experience integrating and configuring SIP trunks from top providers, including Twilio, Bandwidth, Commio, Flowroute, DIDWW, DIDForSale, Nextiva, Skyetel, Telnyx, Sinch, SignalWire, and VoIP Innovations for optimal call quality and cost efficiency. High-Availability Deployments: Implemented clustered PBX solutions (FreePBX, Issabel, VitalPBX) for high availability and fault tolerance, minimizing operational downtime. Customized SIP Trunking Configurations: Configured secure and efficient SIP trunks integrated with platforms like Goto Connect and Nextiva. Customized and Scalable Call Center Solutions: Integrated platforms like GoTo Connect with predictive dialers, FreePBX and Custom CRM systems to get tone analysis and sentiment analysis. WebRTC and Browser-Based Communication: Implemented WebRTC solutions for voice, video, and chat across platforms such as FreePBX, FusionPBX, and Issabel PBX, enabling browser-based communication without plugins. Enhanced Security Configurations: Expertise in securing PBX systems with firewalls, fail2ban, and SIP encryption, ensuring robust protection against VoIP fraud and cyberattacks. especially BruteForce attacks. Microsoft Teams Integration: Configured direct routing between Microsoft Teams and PBX systems like Asterisk, FreePBX, and Kamailio sip server enabling unified PSTN calling solutions. Multi-Channel IVR Solutions: Developed complex IVR systems across platforms like FreePBX, Issabel, and FusionPBX, featuring dynamic menu options, queue prioritization, and time-based routing. Provisioning and Endpoint Management: Automated provisioning for devices like Polycom, Yealink, and Grandstream, Cisco 7800, 8800, 7900, SPA series using FreePBX’s EPM (Endpoint Manager), GotoConnect, Ring Central, Talkdesk, CiscoWebex Call Analytics and Reporting: Built dashboards on top of Asterisk based systems especially FreePBX to track KPIs such as Peak hours, Answered calls, Unanswered Calls, Call Analytics, Call Recordings, Role based Access system, Customer Call Survey Feedbacks etc. CRM Integration: Seamlessly connected PBX systems like 3CX and FreePBX with CRMs (e.g., Salesforce, Zoho, Odoo ERP, Sugar CRM) to enable click-to-call functionality and call logging for enhanced client interactions. Voicemail and Fax Solutions: Configured advanced voicemail-to-email and fax-over-IP (FoIP) solutions across platforms like FreePBX to meet diverse business needs. Legacy System Integration: Expertise in bridging legacy PBX systems with modern solutions, enabling cost-effective transitions and hybrid environments.

Hi! I’m a full-stack developer and AI specialist with 10+ years of hands-on experience building smart, scalable, and user-focused Mobile Apps and Software Solutions. I work directly with founders, product teams, and growing businesses to turn ideas into working products—fast. I genuinely enjoy helping clients explore how AI and automation can solve their real-world problems and unlock new opportunities. Whether you're building an MVP, a user-focused Mobile Apps, integrating LLMs, or crafting a complex AI workflow—I can help you make it happen. 𝐒𝐭𝐫𝐞𝐧𝐠𝐭𝐡𝐬 * Top rated freelancer on Upwork 🔝 * Worked with clients all over the world 🌎 * 130+ projects completed on Upwork with 5/5 Rating 📈 * 630+ hours worked on Upwork with a 5/5 Rating 🕣 I hold a bachelor's degree in computer science and a master's degree in business administration and have over 10 years of experience with Web & Mobile App Development, and Artificial Intelligence. My strength is my combination of skills - Project Management ➕ Web Dev ➕ Mobile Dev ➕ Artificial Intelligence. 𝐖𝐡𝐚𝐭 𝐈 𝐂𝐚𝐧 𝐃𝐨 𝐟𝐨𝐫 𝐘𝐨𝐮 I build custom Mobile Apps and AI-powered solutions that help you move faster, work smarter, and deliver better results. 📲 Mobile App Development - Develop sleek iOS/Android apps using Flutter or React Native - Craft modern UI/UX with a strong focus on usability and performance - Connect your app to APIs, databases, Firebase, or AI services - Guide you from wireframes to store launch, including testing and post-launch support 🧠 AI & Custom Software - Build sophisticated AI powered Apps - Build chatbots, AI copilots, and LLM-based assistants using GPT, Claude, and open-source models - Design smart automations using Make.com, Zapier, or custom Python integrations - Create RAG pipelines, semantic search tools, and data processing systems - Integrate AI into existing apps to improve personalization, productivity, or decision-making 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 𝐈 𝐡𝐚𝐯𝐞 𝐰𝐨𝐫𝐤𝐞𝐝 𝐰𝐢𝐭𝐡 📱 Frontend - Flutter | NextJS | VueJS | Svelte | Bootstrap | Javascript HTML | CSS 🛠 Backend - Python | FastAPI | Flask | GoLang | NodeJS | Powershell | Django | .NET | Firebase 💸 Payments - Stripe | Paypal | Apple pay | G-pay 🧠 Artificial Intelligence - OpenAI | Azure OpenAI | ChatGPT | Claude | Gemini ☁️ Cloud Platforms - Google Cloud | AWS | OpenStack | Azure 📊 Analytics & Observability - Grafana | Mixpanel | Firebase analytics | Prometheus | Google Analytics 🛠️ Automation - Selenium | AutoIt | Zapier | Windows & Mac Installers | Jenkins | Groovy 🌍 Website Development - WordPress | PHP | NodeJS | Wix | WooCommerce | Shopify | BigCommerce 🗂 Databases - MySQL | SQL Server | MongoDB | RethinkDB | Postgres | Supabase 📈 Data Analysis - Excel | Python | R | PowerBI | Grafana | Looker Studio 📞 Networking & Voice - Cisco | Interactive Intelligence | Avaya | Asterisk 𝐌𝐲 𝐖𝐨𝐫𝐤 𝐏𝐫𝐨𝐜𝐞𝐬𝐬 (𝐒𝐢𝐦𝐩𝐥𝐞 𝐓𝐫𝐚𝐧𝐬𝐩𝐚𝐫𝐞𝐧𝐭, 𝐄𝐟𝐟𝐞𝐜𝐭𝐢𝐯𝐞) When we work together, here’s how I approach your project: 1. Discovery & Planning I start by deeply understanding your goals, challenges, and user needs. Together, we’ll map out the product vision, outline core features, and define the technical approach. If needed, I’ll provide low-fidelity mockups and flow diagrams. 2. Build in Iterations Once the roadmap is clear, I break it down into well-defined user stories and deliver features in milestones or weekly sprints. Each step is transparent—so you always know what’s being worked on and what’s coming next. 3. Feedback Loops I encourage quick reviews, async check-ins, and testing after each milestone. You get working features frequently, not just at the end. 4. QA & Launch Before handoff, I test across devices and browsers (where applicable), help with deployment, and offer post-launch support if needed. 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞? 🎯 10+ years building and shipping software across startups and enterprises 💬 Clear communication, reliable timelines, and no agency overhead 🛠️ End-to-end experience: from architecture to dev to launch 💡 Strategic partner—not just a coder. I’ll challenge assumptions and help shape your product 𝐋𝐞𝐭'𝐬 𝐁𝐮𝐢𝐥𝐝 𝐒𝐨𝐦𝐞𝐭𝐡𝐢𝐧𝐠 𝐒𝐦𝐚𝐫𝐭 - 𝐓𝐨𝐠𝐞𝐭𝐡𝐞𝐫 If you’ve got an AI idea, a product challenge, or even just a few notes on a napkin—I’d love to hear it. I bring the technical muscle, you bring the vision, and together we can create something incredible.

I'm a network and System Engineer with 12 years of experience in various environments, including both home and corporate networks. I can help you with the following areas Protocols and IP Services: VLANs, Etherchannel, LACP, Spanning Tree STP and RSTP, ACLs, VPNs, RADIUS, PPPoE, DNS, DHCP, Proxies, SNMP, Host and Network-based Firewalls. Servers and IT Infrastructure - VMware ESXi, hyper V, citrix XEN - Active Directory, Windows Servers, print, file. -Red Hat, CentOS, Debian, and Ubuntu configuration and deployment - VOIP Servers Free PBX(Asterisk, Elastix, FreePBX, 3CX)configuration and deployment -Office 365 configuration and administration - Microsoft Azure cloud services -AWS Solution Architect