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I need an end-to-end AI phone assistance system with many features that can take over our customer support and sales line, greet callers naturally, recognise what they are saying, route them to the right department when needed, and resolve common questions on the spot by pulling answers from a dynamic FAQ. Alongside the phone workflow, I also want a hybrid chatbot that can hold the same conversation either by text or voice on our website and mobile app, so customers experience one consistent support channel whether they call in, type, or speak through their microphone. Key capabilities we must see in the finished solution: • Automated call routing driven by intent detection • Accurate voice recognition with low latency • Shared FAQ/knowledge-base handling for both phone and chat sessions • Smooth hand-off to a live agent if the request goes beyond the bot’s scope Please build, train, and deploy the system, then provide simple instructions so my team can update the knowledge base and monitor conversation logs going forward. If you have preferred tools or platforms (Dialogflow, Twilio, Amazon Connect, etc.) let me know—I'm flexible as long as the final experience is reliable and easy for non-technical staff to maintain.
Project ID: 40627025
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270 freelancers are bidding on average $551 USD for this job

Hi, I have gone through the large AI Customer Support Phone Chatbot project. It looks straightforward at first, but details such as speech recognition accuracy, natural conversation flow, call handling, and escalation to human agents can cause issues later. I can outline a practical approach covering the AI voice agent, NLP, telephony integration, automation, and Android or mobile app requirements. I have over 10 years of experience in AI development, NLP, AI chatbot development, AI voice agents, AI integration, automation, audio services, and mobile app development, and I'm excited to be part of your project. For more information about my work, feel free to check my profile: https://www.freelancer.com/u/microlent Let's discuss your support workflows, call volume, integrations, languages, and deployment needs in the chat so I can recommend the most practical and cost-effective solution. ~ Rajesh
$500 USD in 30 days
9.3
9.3

Hello!! I have seen your project post as you need an end-to-end AI-powered customer support system with voice and chat capabilities that delivers a seamless experience across phone, web, and mobile platforms. I have 10+ years of experience in AI application development, conversational AI, LLM integrations, voice assistants, chatbot development, Twilio, Dialogflow, Amazon Connect, OpenAI, and scalable cloud-based solutions. I can build a complete AI customer support platform with intelligent call routing, real-time speech recognition, dynamic FAQ and knowledge base integration, voice and text conversations, live agent handoff, conversation history, analytics dashboard, and centralized knowledge management. The solution will be scalable, easy to maintain, and optimized for low-latency interactions across phone, website, and mobile applications while allowing your team to easily update FAQs and monitor customer interactions. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT, COMPLETE SOURCE CODE, WE WILL WORK WITH AGILE METHODOLOGY, AND I WILL ASSIST YOU FROM INITIAL DEVELOPMENT THROUGH SUCCESSFUL DEPLOYMENT. I eagerly await your positive response. Thanks, Christina
$400 USD in 10 days
8.4
8.4

Hi — Elias here from Miami. I see you're looking to develop an AI phone assistance system aimed at enhancing customer support. The goal is to create a seamless experience for handling various inquiries efficiently. What usually matters most here is ensuring the system can scale while maintaining high accuracy in understanding and responding to user inputs. A common issue in systems like this is the complexity of integrating natural language processing with voice recognition for fluid interaction. The tricky part is usually managing conversation states and ensuring the system can handle multiple scenarios without losing context. My approach would involve designing a modular architecture that allows for easy updates and expansions. I’d prioritize stability and maintainability by implementing robust testing and monitoring frameworks from the start. I have experience developing similar AI-driven solutions, focusing on user experience and backend efficiency. A few questions to better understand the scope: Q1 – What specific user roles and permissions do you envision for managing the chatbot? Q2 – Are there existing systems that this AI chatbot needs to integrate with? Q3 – What are your scaling expectations as user interactions increase? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$500 USD in 5 days
8.2
8.2

Hi, I checked your "large AI Customer Support Phone Chatbot" project and it looks like the focus is on delivering a clean, responsive website that works well across all devices. I prefer understanding the expected layout and user experience first, then building pages that closely match the design while keeping the code organized and easy to maintain. Feel free to share the design or current website, and I'll suggest the best implementation along with a realistic timeline. Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$300 USD in 12 days
7.8
7.8

Hi, I reviewed your need for a large AI customer support phone chatbot that can greet callers naturally, understand what they say, and resolve FAQs on the spot while routing to the right department or handing off to live agents. I’ll build an end-to-end AI voice and hybrid chatbot system with AI Integration and AI Development that uses low-latency AI voice recognition, intent-driven call routing, and shared dynamic FAQ/knowledge-base responses across phone, website, and mobile app. I’ll also ensure smooth escalation when requests go beyond the bot’s scope, with clean conversation logging. I’ll focus on reliable, maintainable delivery, easy knowledge-base updates for non-technical staff, and responsive support during deployment. Let’s discuss here now.
$250 USD in 30 days
7.0
7.0

Hi, The tricky part of what you described is keeping one FAQ source feeding both the phone flow and the web/app chat so answers never drift apart. I'd run the voice side through Twilio with streaming speech-to-text (Deepgram keeps latency low), intent routing in Node, and the same knowledge base API behind the website widget. Live-agent handoff becomes a warm transfer with the transcript attached, so your team sees what the bot already covered. Before you commit to anything, I'll build a small demo first: a real number you can call that greets you, answers a few FAQs from a doc you give me, and transfers to a human on request. Takes a couple of days, costs you nothing to evaluate. I've been shipping Node and mobile projects on here since 2008 (4.87 across 664 reviews if you want to dig through the history). One question: roughly how many calls a day should we size for? That decides whether Twilio alone is enough or Amazon Connect makes more sense. Khalid
$500 USD in 7 days
6.9
6.9

--- AI Voice Assistant + Omnichannel Chatbot --- I can help build an AI support and sales system that works across phone, web, and mobile with one shared knowledge base. Here's my approach: → Build AI voice handling with intent detection, call routing, and low-latency speech recognition. → Connect phone and chat channels to the same FAQ/knowledge base for consistent answers. → Add live-agent handoff when the AI cannot resolve a request. → Deploy the system with conversation logs and a simple interface for your team to update FAQs and monitor interactions. Flow Call / Chat → Intent Detection → FAQ Response or Department Routing → AI Resolution → Live Agent Handoff Question Do you already use a phone/CRM platform such as Twilio, Amazon Connect, or Salesforce, or should I recommend the setup based on your current workflow? Let's connect... Thanks
$260 USD in 16 days
7.3
7.3

Hi, I'm Stefan from WebAIProTech, based in Australia. I have strong experience building production AI voice agents, AI chatbots, and automation platforms using OpenAI, Claude, Twilio, ElevenLabs, LangGraph, and RAG pipelines. I can build a unified AI phone and chatbot solution with natural voice conversations, intent detection, automated call routing, shared knowledge base, live agent handoff, and conversation analytics. The system will be easy for your team to manage, allowing non-technical staff to update FAQs and monitor conversations without developer support. I've delivered similar AI customer support systems and can recommend the best architecture based on your budget and long-term goals. Available to start immediately. Best Regards, Stefan
$750 USD in 7 days
6.6
6.6

Hi, As an ai and automation expert, I at IT Flex Solutions India am well-equipped to meet your requirements for a large AI Customer Support Phone Chatbot. My team and I have amassed 19+ years of industry experience in Web & Mobile App Development, AI-powered solutions, and—most importantly for this project—Chatbot Development. We understand the importance of accuracy and promptness in customer interactions and thus have worked extensively on intent detection, voice recognition, routing based on queries, and integrating with real-time FAQs. Having delivered 483+ projects, we understand the significance of scalability in both the short and long terms. So not only will we build, train, and deploy your AI phone assistance system but also provide simple instructions for your non-technical staff to easily update the knowledge base and monitor conversation logs independently. If required, we can leverage various platforms such as Dialogflow, Twilio or Amazon Connect to ensure a reliable final product that can be maintained effortlessly by your team. Let’s take your customer support to greater heights together! Thanks, SBM
$1,200 USD in 28 days
6.8
6.8

Hello, I’ve gone through your project details and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working with Flutter, Android, iOS, React, Node.js, and APIs. I focus on clean architecture, scalable code, and clear communication to ensure the project runs smoothly from start to finish. I will first review your requirements, suggest the best technical approach, and then proceed with development while keeping you updated at every stage. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: What specific features do you envision for the voice recognition aspect of the chatbot? 1. Do you need this for mobile, web, or both? 2. Do you already have UI/UX designs or should we create them? 3. Will there be any third-party API or payment gateway integration? 4. What is your expected timeline for completion? 5. Are there any reference apps or websites you like? Let’s discuss over chat! Regards, Arpit Jaiswal
$250 USD in 22 days
7.5
7.5

As an experienced Senior Software Architect & Full-Stack Developer with a strong track record in building secure, scalable, and impactful software solutions for businesses over the past 15+ years, I am well-equipped to handle your AI phone assistance system project. I have a holistic understanding of the technologies required for this undertaking - from backend (C#, .NET, ASP.NET, PHP, SQL Server, MySQL) to frontend (JavaScript, Angular, HTML, CSS), and even mobile (Ionic, Cordova, Xamarin) development tools. Combined with my expertise in implementing Enterprise-grade software architecture and my Microsoft certifications (MCAD | MCSD | MCTS | MCPD), I can ensure that the final experience is not only reliable but easy for your non-technical staff to maintain. Moreover, my work in insurance with CSC, Fiserv, RBS, and CMG shows that I understand the importance of efficient customer support and sales handling. My past projects often required intelligent routing of actions based on intent detection which aligns perfectly with your requirement for automated call routing. Additionally, the shared knowledge-base solution you seek can be effectively implemented using the skills and tools I possess.
$600 USD in 7 days
7.1
7.1

Hi there, I understand you need an end-to-end AI voice and chat support platform that delivers a consistent customer experience across phone, website, and mobile while intelligently handling support, sales, and live-agent escalation. I am confident I can build a production-ready conversational AI solution that is scalable, low-latency, and easy for your team to manage. My approach will be to first design a unified conversation architecture where both voice and chat share the same knowledge base, intent engine, and business logic. Using OpenAI/Claude, Dialogflow CX or LangGraph, Twilio/Amazon Connect, Deepgram/Whisper, ElevenLabs, FastAPI, Pinecone/pgvector, PostgreSQL, Redis, Docker, and AWS/Azure, I'll implement RAG-based FAQ retrieval, intent classification, context-aware conversations, real-time speech-to-text/text-to-speech, intelligent call routing, live agent handoff with conversation history, analytics dashboards, audit logs, and an admin portal for updating knowledge without retraining models. The solution will expose secure APIs for website, mobile, and telephony while maintaining conversation memory, monitoring, and enterprise-grade security. Do you already have a telephony provider (Twilio, Amazon Connect, etc.) and an existing FAQ/knowledge base, or should those be designed from scratch? I'm ready to start immediately. Warm Regards, Aneesa.
$250 USD in 2 days
6.3
6.3

Hello, Does your team have a preferred AI platform to integrate, or are you open to suggestions? Are there any specific languages your customer base primarily uses? Excited about your AI assistant system! I'll ensure the AI seamlessly handles call routing and text/voice interactions. One challenge might be maintaining low latency with voice recognition, but I can implement strategies to keep it smooth. I can share examples in chat. Let's discuss the details in chat or a quick call to tailor the best solution for your team. Looking forward to exploring the next steps together!
$250 USD in 5 days
5.9
5.9

Hi, I've built an AI chatbot for a university portal that answered student questions by pulling from PDF manuals through the OpenAI API, which is close to the dynamic FAQ handling you need here. AI Chatbot for University Portal: same knowledge-base retrieval pattern you're describing The part worth deciding early is the phone leg. Twilio Voice with a speech-to-text layer keeps latency low and gives clean intent detection for routing, and I've shipped several Twilio integrations already for SMS and voice flows. The trickier call is the shared knowledge base: one source feeding both phone and chat so your team updates it once. I'd build that layer first. Quick question: do you already have your FAQ content in a structured format, or is it spread across docs right now? Adil
$550 USD in 7 days
5.9
5.9

Hello!, I am a Florida-based senior software engineer(frontend, backend, ecommerce, etc) with 15 years of experience in AI development, NLP, voice systems, and production-grade automation. I read your project carefully, and I understand you need an end-to-end AI phone assistance system that can genuinely handle customer support, not just a basic chatbot. This is the kind of project I take seriously because the details matter: call flow, voice quality, intent handling, fallback logic, handoff to a human, and reliable integration with your existing support stack. My approach would be: 1) define support scenarios and edge cases 2) design the voice + conversation flow 3) build the AI/telephony integration 4) test real call paths and tune responses 5) deploy with logging, monitoring, and safe escalation I’ve built AI automation tools, voice-enabled assistants, and backend systems that need to be stable in real use, not just demos. Relevant examples of my work include a phone-based scheduling assistant for a local clinic, an AI support bot for a logistics SaaS, a voice intake system for a home services company, and a customer routing assistant for a small ecommerce brand. Could you please clarify the following questions to help me better understand the project? 1) Which phone platform do you want to use, and do you already have numbers/call routing set up? 2) What support actions should the assistant handle fully, and when should it transfer to a human? 3) Do you have your
$650 USD in 3 days
6.0
6.0

Hi, I understand this project is not simply about creating a chatbot. The goal is delivering a complete omnichannel AI customer support platform where voice and chat work together seamlessly, providing consistent answers while escalating complex requests to live agents when appropriate. I have experience building AI-powered customer support systems, conversational AI, workflow automation, API integrations, cloud backends, and knowledge-based search solutions. My focus is on creating systems that are reliable, scalable, and simple for non-technical teams to maintain. I would begin by designing a shared AI architecture where the phone assistant, website chatbot, and mobile chat all use the same knowledge base, conversation history, and intent engine. Using platforms such as Twilio, Dialogflow CX, Amazon Connect, OpenAI, or similar technologies, I would implement natural voice conversations, intelligent call routing, FAQ retrieval, live-agent handoff, and conversation analytics. The knowledge base would be editable through an intuitive admin interface so your team can update answers without technical assistance. I can start immediately after award and deliver the project through structured milestones, beginning with the core voice and chat platform before expanding to additional automation and analytics.
$600 USD in 12 days
6.2
6.2

Hi, Your project aligns perfectly with our expertise. We've built AI-powered customer support solutions that combine voice and chat into a single experience using modern LLMs, speech recognition, intent detection, and telephony platforms such as Twilio, Dialogflow, Amazon Connect, and OpenAI-based assistants. We'll deliver an end-to-end solution that intelligently routes calls, answers questions from a centralized knowledge base, supports both voice and text conversations across web and mobile, and seamlessly transfers customers to a live agent when needed. The system will include conversation logs, an easy-to-manage knowledge base, and clear documentation so your team can update content without technical assistance. We'll also handle deployment, testing, and optimization to ensure a reliable, low-latency experience. Two important questions: Which CRM, helpdesk, or live-agent platform (if any) should the AI integrate with for customer history and handoffs? Approximately how many calls and chat conversations do you expect per day, and do you require multilingual support from the initial release? We're ready to discuss the architecture, recommend the most suitable technology stack for your budget, and deliver a scalable solution that can grow with your business. Looking forward to working with you.
$450 USD in 15 days
5.8
5.8

I am excited about the opportunity to create an innovative AI customer support and sales assistant that truly understands your needs. Your vision for a seamless integration of voice and text interaction is fantastic! With the proposed end-to-end AI phone assistance system, we can ensure that callers are greeted naturally and feel supported throughout their journey. The chatbot will not only recognize intents accurately but will also have the ability to route inquiries effectively. I love the idea of using a dynamic FAQ to resolve common questions instantly, enhancing user satisfaction. I’ll take care of building, training, and deploying this cutting-edge system, including the implementation of automated call routing and live agent hand-off. Plus, I will provide your team with easy-to-follow instructions for managing the knowledge base and monitoring logs, ensuring they feel confident in overseeing the solution. How fun is it to think of your callers having such a smooth experience? Can you share what features would make your bot feel extra special? What unique features are you hoping to add to make the chatbot truly stand out?
$250 USD in 13 days
5.5
5.5

Hello There! I’m Md Toriqul Islam, and I’m excited to partner with you. I can dive into your project immediately. I have rich experience in AI chatbots, voice assistants, Twilio, Dialogflow, OpenAI, and full-stack development. I am skilled in speech-to-text, text-to-speech, NLP, intent detection, FastAPI, Node.js, React, and cloud deployment. I understand you need an end-to-end AI phone and chatbot solution with intelligent call routing, voice recognition, shared knowledge base, live-agent handoff, and multi-channel support for web, mobile, and phone. I can deliver a scalable, easy-to-manage system tailored to your business. My expertise in Twilio, Dialogflow, OpenAI, AI automation, and cloud infrastructure ensures reliable, production-ready results. I’m ready to start immediately and would be happy to discuss your project. Feel free to ask any questions. Looking forward to hearing from you. Best regards, Md Toriqul Islam
$250 USD in 5 days
5.5
5.5

Hi, The most important part of this project is creating one consistent AI experience across phone, web, and mobile while ensuring smooth handoffs to human agents when needed. A reliable architecture is much more important than simply connecting different AI services together. I can build an AI powered support solution with a shared knowledge base, intelligent intent routing, voice and text conversations, and integrations with modern AI and telephony platforms. My focus is on keeping the system scalable, easy to maintain, and simple for your team to update without technical knowledge. I have experience building AI powered web applications and API integrations, and I enjoy designing reliable automation workflows. Do you already have a preferred telephony provider such as Twilio or Amazon Connect, or would you like me to recommend the most suitable architecture? Best regards
$300 USD in 8 days
5.6
5.6

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