Hire the Best Asterisk Developers

I help businesses build AI-powered platforms, AI agents, chatbots, automation systems, voice solutions, and scalable web applications that reduce manual work and improve operations. Hi, I am Raghav, a Full Stack, AI & Automation Developer with 5+ years of experience building AI systems, web platforms, automation workflows, telephony solutions, and cloud infrastructure. I work on complete product development, from frontend and backend development to AI integrations, AI agents, chatbot systems, workflow automation, deployment, and scaling. 💻 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 • React, Vue.js, Tailwind CSS, Bootstrap • Python automation, AI workflows, data scraping • AI agents, AI chatbots, voicebots, NLP workflows • OpenAI, LLM integrations, AI workflow automation • Asterisk, Vicidial, SIP, Twilio integrations • n8n, Make, Zapier, Lovable, Replit workflows • MySQL, PostgreSQL, MongoDB, Redis, Supabase • AWS, Docker, Kubernetes, GitHub Actions, Jenkins • API integrations, payment gateways, third-party services • CI/CD pipelines, deployment, monitoring, and optimization 🧠 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗜 𝗨𝘀𝘂𝗮𝗹𝗹𝘆 𝗪𝗼𝗿𝗸 𝗢𝗻 • AI agents and chatbot automation systems • SaaS platforms and custom business applications • Voice AI systems and telephony platforms • Python automation tools and workflow systems • Admin panels, APIs, and internal business tools • Workflow automation using no-code and low-code tools • Cloud deployment and infrastructure setup 💥 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲 • 5+ years of development and automation experience • Strong understanding of AI, automation, and scalable systems • Clean and maintainable development approach • Regular communication and clear updates • Security and performance-focused mindset If you’re looking for someone who can build your AI agents, chatbots, automation workflows, web platform, and deployment setup in one place, let’s connect. Whether you’re starting from scratch, improving an existing system, or automating business operations, I can help you build a reliable and scalable solution. Feel free to send me a message or invite me to a call so we can discuss your project requirements, ideas, and the best approach to build it properly. #AI #ArtificialIntelligence #AIAgents #AgenticAI #AIChatbots #Chatbots #VoiceBots #VoiceAI #ConversationalAI #NLP #LLM #OpenAI #MachineLearning #ML #Python #PythonAutomation #Automation #WorkflowAutomation #BusinessAutomation #DataScraping #AIWorkflows #NoCode #LowCode #n8n #Zapier #Make #Lovable #Replit #React #VueJS #TailwindCSS #Bootstrap #FrontendDevelopment #BackendDevelopment #FullStackDevelopment #WebDevelopment #SaaS #CustomSoftware #CloudInfrastructure #DevOps #AWS #Docker #Kubernetes #GitHubActions #Jenkins #CICD #Deployment #APIs #APIIntegration #PaymentGateway #Twilio #Asterisk #Vicidial #SIP #Telephony #VoIP #VoiceAutomation #MySQL #PostgreSQL #MongoDB #Redis #Supabase #ScalableSystems #CloudDeployment #SoftwareDevelopment

👋 Hi, I’m Oleksii - a Twilio expert with over 7 years of hands-on experience building scalable, real-time communication systems using the full Twilio stack: 📞 Programmable Voice / SMS, 🧠 TaskRouter & Flex, 🎛️ Studio, Functions, Conversations, Sync, Webhooks and more. I’ve successfully completed 120+ Twilio projects on Upwork, including: • Eliminating latency issues in phone calls 🔧 • Creating SMS marketing automation pipelines 📲 • Developing full-scale Flex dashboards with custom workflows 🧩 Clients describe me as: “Very skilled, excellent communicator, smart guy and a pleasure to deal with.” “Oleksii was very helpful and available :) We no longer have problems with latency during our phone calls.” 🛠 Whether you need help with: • Twilio Studio call flows • Complex webhook-based automation • TwiML, IVR, call forwarding setups • Integrating Twilio with CRMs or internal systems • Building voice/SMS logic in Node.js, Laravel, or Firebase environments …I’ve got you covered. Let’s bring your Twilio-powered solution to life 🚀 Feel free to invite me to your job or message me with questions.

✅ Top Rated Plus AI Agent Development ✅ 100% Job Success Score ✅ Fluent English Verified AI Voice Agents | Twilio Expert | SMS, Calling & CRM Automation I help businesses automate customer communication using AI Voice Agents, SMS Automation, Calling Systems, CRM Integrations, and Communication Workflows. With 130+ completed projects, Top Rated Plus status, and a 100% Job Success Score, I specialize in building production-ready systems that answer calls, qualify leads, book appointments, automate follow-ups, improve customer response times, and reduce manual work. My expertise combines modern AI technologies with real-world communication infrastructure, helping businesses move from manual processes to scalable automation. 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 📞 Voice AI & Communication Automation AI Voice Agents, AI Receptionists, AI Calling Systems, Appointment Booking Agents, Lead Qualification Systems, Customer Support Automation, Contact Centers, IVR Systems, SIP, SMS Automation, Call Routing 🤖 AI Solutions & Conversational Systems OpenAI, Claude, Gemini, Vapi, Retell AI, Conversational AI, Knowledge Assistants, Internal AI Tools, Business Automation ⚙️ CRM & Workflow Automation Lead Management, Pipeline Automation, Customer Communication Workflows, CRM Integrations, Automated Follow-Up Systems 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 📞 AI Voice Agents & Calling Systems • AI Receptionists • AI SDRs • Appointment Booking Agents • Customer Support Agents • Outbound Calling Systems • Inbound Voice Automation • Voice AI Integrations 📡 Twilio & Communication Solutions • Twilio Development • SMS Platforms • IVR Systems • Call Center Solutions • Twilio Flex • Voice & Messaging Automation • Toll-Free & A2P 10DLC Solutions ⚙️ CRM & Business Automation • HubSpot Integrations • GoHighLevel Automation • Salesforce Integrations • Custom CRM Development • Lead Qualification Workflows • Business Process Automation 🧠 OpenAI, Claude & AI Integrations • ChatGPT Solutions • Claude Integrations • AI Assistants • Knowledge Systems • Internal AI Tools • RAG Applications 📱 SaaS, Web & Mobile Applications • Customer Portals • Admin Dashboards • AI-Powered Platforms • Web Applications • Mobile Applications 🖥️ Backend Development Python, Node.js, FastAPI, Express.js, REST APIs, Webhooks, Microservices 💻 Frontend Development React, Next.js, Vue.js, Angular 📱 Mobile Development React Native, Flutter, Swift, Kotlin ☁️ Cloud & Infrastructure AWS, Azure, GCP, Docker, CI/CD, Serverless Architectures 📊 Databases & AI Infrastructure PostgreSQL, MongoDB, Firebase, Supabase, Vector Databases 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 • Real Estate & Property Management • Healthcare & Wellness • LegalTech • Financial Services • Logistics & Transportation • Professional Services • Call Centers • Home Services • SaaS & Technology Companies If you're looking to automate calls, SMS, customer communication, lead qualification, appointment booking, or customer support using AI and Twilio-based communication systems, let's discuss your project. Keywords: AI Voice Agent, AI Receptionist, AI Calling Agent, Twilio Developer, SMS Automation, IVR Development, CRM Automation, Voice AI, OpenAI, Claude, Vapi, Retell AI, Contact Center Solutions, Call Center Automation, Lead Qualification, Appointment Booking, Customer Communication Automation, Workflow Automation, Conversational AI, SaaS Development, Python, Node.js, React

Hi Guest, First of all, thanks for visiting our profile. I am doing freelancing since 2010 and my expertise on complete VoIP solution including Freeswitch, Asterisk, PJSip, Opensips and Kamailio. I just recently launched a company which is not offering only VoIP solution but Zeus in Web Development(PHP, WordPress etc), Mobile App Development(Android & iOS). We are a team of members having extensive knowledge of all the services we are offering. We have successfully completed many projects delivered competent results with 100% accuracy with lifetime free support. To keep in mind 100% availability, Our dedicated manager is always online to make sure our client will face no more difficult to ask any query at any time. Let me mentioned the technologies which are our core strength listed below: - Development of Linphone Mobile VoIP Diallers - Development of PJSIP Mobile VoIP Diallers - Installation, development, customization, and maintenance of Asterisk,FreeSwitch Switch,Kamalio and OpenSIPs Servers - Android app development - iOS app development - Flutter Cross Platform App Development - Electron App Development - Web application development - ReactJS and ReactNative development for web and mobile applications - Testing and bug fixing for existing applications Consulting for ongoing projects Project consulting for Android, iOS, ReactJS, Asterisk, FreeSwitch, OpenSIPs, Kamailio, ASTPP, RTPengine, MediaProxy, RTPproxy, FreePBX, and A2Billing Expertise in developing Flutter WebRTC applications Expertise in developing ReactNative WebRTC applications Our price is very reasonable which allows us to work with us. Please share your requirement today only with us to check our capabilities to take your experience on the next level. To name a few tools & technologies that I have worked on: • High-level languages: C++, Objective C, Java, Python, PHP • IDEs: Xcode, Android Studio, Eclipse • Version Control & CI: SVN, Git, Perforce, Bitbucket, Jenkins • DBMS: MS SQL, MySQL, Oracle, PostgreSQL, MongoDB • Frameworks: Django, Zend, Magento, Django REST • Management tools: VersionOne, Jira, Trac, MS Project, MS Visio, XMind, Bugzilla, Balsamiq • Amazon Web Services (AWS) - EC2, S3, SQS, SNS, RDS, CloudTrail, Cloudfront

I am a VoIP and Telephony Engineer with extensive experience in 3CX, VICIdial, Asterisk, FreeSWITCH, Twilio, SIP Trunking, and DID number provisioning. I help businesses build, optimize, and maintain reliable communication systems for call centers, telemarketing operations, and enterprise telephony environments. My expertise includes PBX installation and configuration, SIP trunk integration, number porting, IVR design, call routing, predictive dialer setup, inbound and outbound call center solutions, and VoIP troubleshooting. I am also experienced with Linux server administration, cloud deployments, and API integrations for voice and SMS applications. Whether you need a complete call center deployment, 3CX configuration, VICIdial optimization, Twilio integration, SIP troubleshooting, or ongoing telephony support, I can deliver scalable and dependable solutions tailored to your business needs. Core Skills: • 3CX PBX Administration • VICIdial Installation & Management • Asterisk & FreeSWITCH Development • Twilio Voice & SMS Solutions • SIP Trunk Configuration • DID Number Provisioning & Porting • Predictive & Power Dialers • IVR & Call Flow Design • Linux Server Administration • VoIP Troubleshooting & Optimization • CRM & API Integrations • Call Center Infrastructure Setup I focus on delivering reliable communication systems that improve efficiency, call quality, and business performance. 3CX, VICIdial, Asterisk, FreeSWITCH, Twilio, VoIP, SIP, SIP Trunk, DID Numbers, PBX, IP PBX, Hosted PBX, Cloud PBX, Telephony, Telecom, Telecommunications, Call Center, Contact Center, Predictive Dialer, Power Dialer, Auto Dialer, Progressive Dialer, Call Routing, IVR, Interactive Voice Response, Call Queue, Ring Groups, Voicemail, Call Recording, Number Porting, SIP Carrier, Voice Gateway, Session Border Controller, SBC, WebRTC, SMS Gateway, Twilio Voice, Twilio SMS, Twilio API, Linux Administration, CentOS, Ubuntu, Debian, Rocky Linux, AlmaLinux, MySQL, MariaDB, PostgreSQL, Apache, Nginx, SSH, VPN, Firewall, Networking, TCP/IP, UDP, RTP, QoS, NAT Configuration, VoIP Troubleshooting, SIP Debugging, SIP Trace, Wireshark, CRM Integration, Salesforce Integration, HubSpot Integration, Zoho CRM, Pipedrive, API Integration, REST API, PHP, Python, Bash Scripting, AGI Scripts, Call Flow Design, Inbound Calling, Outbound Calling, Lead Management, Telemarketing, Cold Calling Systems, Voice Broadcasting, Bulk SMS, DID Provisioning, SIP Registration, Carrier Integration, Call Monitoring, Queue Management, Agent Management, Multi Tenant PBX, Failover Configuration, High Availability, Cloud Deployment, AWS, DigitalOcean, Vultr, Linode, Dedicated Servers, VPS Setup, Server Migration, System Optimization, VoIP Security, Fraud Prevention, FreePBX, Issabel PBX, FusionPBX, Elastix, Yeastar, Grandstream, Fanvil, Yealink, Polycom, Cisco VoIP, Sangoma, OpenSIPS, Kamailio, Voice API, Telecom Consulting, Call Center Setup, VoIP Engineer, Telephony Engineer, SIP Expert, 3CX Expert, VICIdial Expert, Twilio Expert, Asterisk Expert, FreeSWITCH Expert, Linux Server Administrator, Network Engineer, Technical Support, System Administration, Remote Support, Cloud Communications, Unified Communications, UCaaS, Business Phone System, Enterprise Telephony, Call Center Optimization, Dialer Configuration, Lead Campaign Management, Real Time Reporting, Call Analytics, Voice Solutions, Telecom Infrastructure, Contact Center Solutions, VoIP Deployment, PBX Installation, SIP Configuration, DID Management, Call Center Technology, Telecom Solutions

I am consistent "Top Rated Plus" VoIP Developer on Upwork with numerous 5 star reviews including excessively positive feedback. 14+ years of experience in Custom VoIP Software Development. I have provided a wide range of IT solutions, including VoIP Development, Websites & Mobile Apps development for international businesses and start-up companies as well as for large enterprises. 🏆 Following are my area of experiences: ✓ VoIP / SIP / RTP ✓ OpenSIPs / Kamailio / OpenSER ✓ FreeSWITCH, FusionPBX, ASTPP, Lua Scripts ✓ Asterisk, FreePBX, A2billing ✓ RTPengine / MediaProxy / RTPproxy ✓ Twilio ✓ Linux & OpenSource Consulting ✓ MariaDB, MySQL, PostgreSQL (Database design & complex SQL query expert) ✓ PHP, Yii/Yii2, Apache, Nginx ✓ Android 🏆 I provide the following solutions: ✓ High scalable Least Cost Routing(LCR) with Fail-Over ✓ Session Border Controller(SBC) ✓ Click to call ✓ Class4 & Class5 Soft Switches ✓ SIP Proxy Server, SIP Load Balance & Fail-Over ✓ SIP Messaging Server, SIP Redirect Server ✓ IVR Application ✓ Fax over IP (FoIP), T38 Supported FAX Server, FAX to Email ✓ Shoutcast Server ✓ WebRTC SIP client ✓ PHP RESTfull API, Web Services for Mobile Application ✓ Web Applications ✓ Mobile Applications. My core competency lies in complete end-to-end IT solutions for VoIP, Web, and Mobile technologies. 👤 Reviews & feedback given by clients for successfully completion of largest projects ⭐⭐⭐⭐⭐ "Malay is an excellent VoIP expert and was able to do any task we could throw at him. Will be using his services again shortly as our go-to VoIP expert." ⭐⭐⭐⭐⭐ "Excellent at meeting deadlines. Outstanding at changing work hours to conform to my requirements. First-rate productivity levels. Extremely good communication and ability to explain and brainstorm in a group environment. Admirable at working with other random developers I brought into the project throughout the years. Malay and his team at Prayantech were able to tackle any task I through at them from Asterisks, FreeSwitch, Python PHP HTML JS Debian RHEL IP Tables working inside of multiple different cloud hosting environments his understanding of VPN and firewall security are excellent. I can’t say enough good things about this group I am certain we will be working together as a team for many years to come." ⭐⭐⭐⭐⭐ "Malay and his team were great to work with. Once we got in a flow, we were able to bring something to life I could not have done without him and his team. He was extremely aware of timelines and making time for our project during our "open hours" and working around the time change. Thank you Malay! Keep up the great work and I look forward to working with you soon!" ⭐⭐⭐⭐⭐ "It was a pleasure working with Malay. Very professional and to the point. they don't waste time and they want to finish your project as much as you want to."