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I want to deploy a voice-based AI agent that can dial prospects, speak naturally, and end every successful conversation by blocking time directly into my Google Calendar. While its core duty is simply to secure the appointment, it must also recognise and overcome the typical objections people raise on a first cold call so that only genuinely uninterested leads exit the funnel. You are free to recommend the stack—Dialogflow, Twilio Voice, ElevenLabs, Whisper, GPT or any blend that keeps latency low and speech quality high. What matters is that the agent sounds human, follows a short persuasive script, branches intelligently when an objection surfaces, then lands on the scheduling flow and writes the confirmed slot to Google Calendar through the API. When the job is complete I will be able to upload a prospect list, press “start”, and watch new meetings appear on my calendar without manual intervention. Deliverables • Configured voice AI agent with outbound dial capability • Objection-handling dialogue tree, ready to update via simple JSON or similar format • Secure Google Calendar integration with event details (name, phone, notes) • Deployment guide and short Loom video showing the setup, call flow, and a live booking Acceptance Criteria • End-to-end demo: system dials a test number, handles at least two scripted objections, and books a slot on my Google Calendar within 15 seconds of call completion • Caller audio is clear, natural, and under one second round-trip latency • All configuration files and API keys handed over so I can replicate the environment on my own account
Projekt-ID: 40238316
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72 freelancere byder i gennemsnit $238 USD på dette job

It’s exhausting to waste time chasing leads who aren’t truly interested, especially when clunky tools or robotic voices ruin your chances before you even get a “yes.” Missing out on real appointments because your system can’t handle objections, or the handoff to your calendar is slow and unreliable, costs you valuable opportunities. You’ll soon be able to upload your prospect list, hit start, and see new meetings drop into your Google Calendar—smoothly, automatically, and without you lifting a finger. First, I’ll set up a voice AI that sounds human and handles lifelike conversations. Next, I’ll build in an objection-handling dialogue that’s easy to update. Finally, I’ll connect everything securely to your calendar so every booking is instant and detailed. What would you like the AI agent’s voice and tone to feel like for your prospects?
$133 USD på 7 dage
5,2
5,2

Hello! I understand your goal of deploying a voice-based AI agent capable of engaging prospects and securing appointments while seamlessly integrating with Google Calendar. My approach involves leveraging Dialogflow for natural language understanding and Twilio for outbound calling, ensuring low latency and high audio quality. The AI agent will be equipped with a well-defined objection-handling dialogue tree, enabling it to intelligently navigate conversations and schedule meetings effectively. Upon completion, you'll simply upload a prospect list, hit “start,” and watch as appointments auto-populate in your calendar without any manual tasks. Please see my portfolios for examples of similar projects I’ve completed. Regards, Davide
$200 USD på 3 dage
5,0
5,0

Hello, I have 10+ years of experience building AI automation systems, voice bots, and API-driven integrations. I clearly understand your objective: a low-latency outbound voice AI agent that dials prospects, handles objections intelligently, and autonomously books meetings into Google Calendar without manual intervention. I would architect this using Twilio Voice for outbound dialing, real-time streaming to a Python/Node backend, Whisper or Deepgram for speech-to-text, GPT for objection handling and branching logic, and ElevenLabs (or equivalent low-latency TTS) for natural voice synthesis. Dialogue flow and objection handling will be structured in editable JSON so you can adjust scripts without touching core logic. Google Calendar API integration will securely create events with name, phone, and notes immediately after confirmation. The system will include prospect list upload, start/stop controls, logging, and latency optimization to maintain sub-1 second round trip. You will receive full source code, environment configuration, API documentation, deployment guide, and a Loom walkthrough. A live demo will show dialing, handling two objections, and booking within 15 seconds post-call. I WILL PROVIDE 2 YEAR FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE, WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO FULL DEPLOYMENT ON YOUR ACCOUNT. I eagerly await your positive response. Thanks.
$500 USD på 7 dage
4,7
4,7

Hi there, I'm Kristopher Kramer from McKinney, Texas. I’ve worked on similar projects before, and as a senior full-stack and AI engineer, I have the proven experience needed to deliver this successfully, so I have strong experience in Audio Services, Voice Talent, AI Development, Voice Assistance Devices, VoIP, AI Chatbot Development, API Integration and Asterisk PBX. I’m available to start right away and happy to discuss the project details anytime. Looking forward to speaking with you soon. Best regards, Kristopher Kramer
$120 USD på 3 dage
3,8
3,8

You are not looking for a coder. You are looking for someone who can build this properly. That is exactly why your project stood out. Your intent to deploy a voice-based AI agent that seamlessly manages prospect calls, handles objections dynamically, and schedules Google Calendar appointments captures an advanced blend of conversational AI and automation that demands precision and low latency. At DigitaSyndicate, a UK-based digital systems agency, we build precision-engineered, reliable AI-driven systems designed for clear, natural speech and scalable integration. Our approach ensures a streamlined dialogue flow leveraging Twilio Voice for outbound calls, Dialogflow for adaptive objection handling, and Google Calendar API for secure scheduling — fully aligned with your goals of a human-like, efficient outbound calling pipeline. We recently delivered a similar voice AI solution enabling real-time calendar booking with sub-second latency. Can you share your main priorities and timeline so I can map out the right execution plan for you? Casper M. Project Lead | DigitaSyndicate Precision-Built Digital Systems.
$200 USD på 14 dage
3,8
3,8

Hello! I can build your AI voice agent to dial prospects, handle objections with natural, persuasive dialogue, and book confirmed slots directly in Google Calendar. I’ll combine Twilio Voice for outbound calls, ElevenLabs for ultra-realistic speech, Whisper for transcription, and GPT for dynamic objection handling, ensuring <1s latency and high audio clarity. The system will support JSON-based dialogue trees for easy updates. Deliverables include full deployment, Loom demo, and all configs/API keys. Timeline: 2 weeks; Budget: $700. Any preferred call volume limits? Looking forward to hearing from you. Thank you.
$700 USD på 14 dage
3,2
3,2

Hello, I am a full stack developer with 8 years of rich experience in software development, with voice ai systems, Twilio Voice integrations, low latency speech pipelines, structured dialogue flows, and secure Google Calendar API scheduling. I would approach this by implementing an outbound calling agent with a configurable objection handling flow stored in a simple json format, then connecting it to a fast speech to text and text to speech loop with guardrails for latency and call control. After the prospect confirms a time, the agent would finalize the booking by creating the event in your Google Calendar with contact details and notes, and log each call outcome for easy review. This project is a perfect fit for my skills and I am sure I can delivery this with high quality, including a live end to end demo, deployment guide, and a short Loom walkthrough so you can replicate everything in your own account. Thanks for considering my proposal, — Lautaro
$250 USD på 1 dag
2,9
2,9

Hello, I’m Lazar, and I can architect a high-fidelity, low-latency voice AI that dials prospects and books meetings directly into Google Calendar. Recent project: I delivered an end-to-end outbound dialer with natural-speech synthesis and objection-handling for a B2B SaaS team in under two weeks. I recommend a blended stack (Dialogflow or GPT for intent, Twilio Voice for telephony, Whisper for ASR, ElevenLabs for TTS) to keep latency under 1 second and sound human, with an Asterisk PBX fallback. Deliverables include the configured voice agent, an JSON-ready objection tree, secure Google Calendar integration, and a concise deployment guide with a Loom walkthrough. I’ll tailor the dialogue to your script, ensure two scripted objections are handled, and provide all config files and API keys;
$155 USD på 3 dage
2,2
2,2

I can deploy a low-latency outbound voice AI appointment setter that calls prospects, handles common first-call objections, and automatically books confirmed slots into your Google Calendar—so you can upload a list, hit “start,” and see meetings appear with zero manual work. Proposed stack (fast + natural voice): Twilio Voice (outbound dialing + call control) Realtime LLM (GPT-style) for natural dialogue + branching ElevenLabs / high-quality TTS + streaming (human-like voice) Optional Whisper (if needed) but realtime pipeline will be optimized for <1s RTT Google Calendar API (secure OAuth) to create events with name/phone/notes What I’ll deliver Outbound agent + campaign “upload list → start” workflow Objection-handling tree (editable via JSON: intents, rebuttals, fallback rules) Scheduling flow: proposes slots, confirms, writes to Calendar immediately Logs + basic dashboard of outcomes (booked / no answer / uninterested) Deployment guide + Loom walkthrough + end-to-end demo meeting your criteria I’ll also implement safety/ops basics (rate limits, retries, call disposition, and compliance-friendly prompts). If you share your script + preferred scheduling windows/timezone, I can ship a working demo quickly.
$200 USD på 5 dage
2,4
2,4

Hi there — this is exactly the kind of automation-meets-AI system I love building. I’ve worked with real-time voice pipelines, Twilio integrations, GPT-based dialogue control, and Google APIs, and I focus heavily on low-latency conversational design that feels natural rather than robotic. My proposed stack would be **Twilio Voice** (outbound dialing + media streams) → real-time transcription via Whisper or Deepgram → GPT-based dialogue engine with structured objection-handling JSON → ElevenLabs (or similar low-latency TTS) for natural speech → secure Google Calendar API integration with OAuth2, all orchestrated through a lightweight Node.js service optimized for sub-second round-trip latency; the objection logic will be modular and editable via JSON so you can tweak scripts without touching core code. Delivery would include: fully deployed outbound agent, structured objection tree, automated scheduling flow that writes event details (name, phone, notes) directly to your calendar, uploadable lead list trigger system, complete configuration handover, and a Loom walkthrough showing a live test call that handles objections and books within 15 seconds — built to be scalable, secure, and ready for replication in your own environment. If you want something that actually converts — not just “talks” — I’d be excited to build this with you. Giang
$540 USD på 7 dage
1,4
1,4

As an avid advocate of AI-driven systems with over a decade of experience in the industry, your AI Cold-Calling project aligns perfectly with my areas of expertise. I have dedicated my career to helping businesses reduce manual efforts and increase efficiency through intelligent automation tools. What you're seeking is an AI agent that not only makes calls but sounds natural, branches conversations based on objections faced, and efficiently integrates with your Google Calendar - this is exactly what I excel at providing. My extensive skill set includes AI Chatbot Development, AI Development, Audio Services, Voice Assistance Devices and VoIP among others. These have equipped me to recommend and implement the most suitable technological stack for your system. Whether you prefer Dialogflow, Twilio Voice, or another blend that lowers latency while maintaining crystal-clear speech quality, be assured that I can deliver. Notably, one of my key strengths is in designing systems that improve lead generation and conversion rates without the need for substantial human involvement. In essence, I'm skilled at leveraging technology to automate tasks while still giving a personalized human experience. With this project's deliverables clear in sight and respecting your preference for short videos and documentation as part of your milestones, I'm confident I can provide a winning solution that'll exceed your expectations - smooth-running appointments ..........
$30 USD på 7 dage
1,3
1,3

With your goal of deploying a seamless voice-based AI agent for appointment setting in mind, I bring 5 years of experience in similar projects. By leveraging a blend of Dialogflow, Twilio Voice, ElevenLabs, Whisper, and GPT, I ensure human-like interactions, intelligent objection handling, and direct calendar integration. Through clean, professional scripting and efficient flow branching, the AI agent guarantees successful appointments while maintaining high speech quality and low latency. The deliverables include not just the configured agent, objections dialogue tree, and Google Calendar integration, but also a comprehensive deployment guide and demo video for your ease. Let's discuss how I can enhance your prospecting process with this automated solution. Chirag Pipal Regards
$200 USD på 7 dage
1,3
1,3

Hello, I’ve gone through your project details, and this is something I can definitely help you with. With over 10 years of experience in AI and voice application development, I specialize in creating seamless, human-like interactions. I recommend a blend of Dialogflow and Twilio Voice for low latency, paired with GPT for intelligent conversation management. This setup will ensure your AI agent can effectively handle objections while efficiently scheduling appointments directly into your Google Calendar. I will start by configuring the voice AI agent with the specified capabilities, ensuring clear and natural audio, and developing a robust objection-handling dialogue tree. Lastly, I'll provide a comprehensive deployment guide and a Loom video to assist you with setup and operation. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m eager to learn more about any specific features you're considering. What specific objections should the AI know how to handle during calls? Let’s discuss over chat! Regards, Arpit Jaiswal
$155 USD på 25 dage
4,2
4,2

⭐⭐Actual budget: $1500 fixed. Timeline: 10 business days to full deployment and handover.⭐⭐ I treat every product like it's my own—building with heart, integrity, and full commitment to your goals so clients trust the results. Previously deployed AI voice agents using Twilio + ElevenLabs + GPT-4o for outbound sales dialers that booked 20+ demos weekly into Google Calendar, handling objections in real-time with low-latency speech. I'll kick this off by wiring Twilio for outbound calls, piping audio through ElevenLabs for human-like voice and Whisper/GPT for smart branching on objections per your script, then hooking Google Calendar API to auto-block slots with name/phone/notes. Drawing from past builds, it'll dial lists on "start," sound natural under 1s latency, and wrap bookings in <15s post-call. What’s your core pitch/script for the calls? Target call volume/day and prospect list format (CSV fields)? Any specific objections or calendar event templates to prioritize? Let’s chat direct right here to nail details, build trust fast, and get this crushing appointments for you. Sound good?
$1.500 USD på 10 dage
0,3
0,3

I’ve developed voice-based AI agents that integrate smoothly with Google Calendar and handle objection-rich call flows before. Your need for a natural-sounding agent that books slots and adapts through simple JSON shows you value both technical precision and flexibility. I bring solid, hands-on experience delivering practical, results-driven solutions across web, mobile, and e-commerce projects. Leveraging tools like Twilio Voice for outbound calls, Dialogflow for conversation management, and Google Calendar API for seamless scheduling ensures clear audio, quick responses, and reliable calendar updates. If you’d like, we can arrange a brief call to discuss the setup and confirm timelines without any pressure. Regards, Blaze Nicholas
$150 USD på 14 dage
0,3
0,3

Hi, I am an expert software engineer with skills including AI Chatbot Development, Voice Talent, VoIP, Audio Services, Asterisk PBX, AI Development, Voice Assistance Devices and API Integration. After reviewing the project requirements, I found the project perfectly match my experience and skills. Having previously worked on similar projects, I'm confident I can complete this project perfectly. To move forward, Please send a message to discuss more about this project. Thank you
$30 USD på 4 dage
0,0
0,0

Hi Your main friction is getting a voice AI that can dial out, sound human, pivot on objections, and then reliably drop a confirmed slot into Google Calendar, and I’ve spent the last four years building exactly these low-latency conversational stacks. I can set up a blend of Twilio Voice, Whisper, and a fast GPT layer tuned to your persuasion script so the agent responds naturally and stays under a second of round‑trip audio. I’ll structure the objection‑handling flow in a simple JSON format you can tweak anytime, and wire a clean OAuth-based Google Calendar write so each successful call lands right on your schedule. Once configured, you’ll be able to upload your lead list, hit start, and watch the bookings appear without manual touch. I’ll also include a Loom walkthrough so everything is transparent and easy to replicate. Which part of the agent matters most to you right now: objection handling, call quality, or the scheduling flow? Thanks, Jesse
$200 USD på 5 dage
0,0
0,0

Hello, I hope you are doing well. -> Previous Work: I have delivered end-to-end AI-assisted contact solutions for startups and enterprises, with a focus on scalable, low-latency voice agents. My recent projects include secure API-driven automation, calendar integrations, and compliant data flows for outbound dialing, all designed to minimize latency while maximizing natural-sounding speech using state-of-the-art TTS/ASR stacks. I’ve built objection-handling dialogue trees, integrated with Google Calendar, and deployed secure, easily reproducible environments (CI/CD, Terraform, and cloud-native services). -> Development Plan: 1) Architecture: choose a blended stack (e.g., Twilio Voice + Whisper for ASR + ElevenLabs or GPT-based NLU) to ensure natural speech and fast latency; design robust objection-handling branches and a compact scheduling flow. 2) Dialog & Flow: implement a modular dialogue tree with JSON-updatable branches for objections, approvals, and scheduling prompts. 3) Integrations: secure Google Calendar API integration, event creation with fields (name, phone, notes), and credential handling. 4) Security & Compliance: secret management, least-privilege access, and audit logging. 5) Delivery & Documentation: deployment guide, Loom video walkthrough, and a reproducible environment setup. -> Schedule: - Discovery and stack selection: 2 days - Implementation of core agent and scheduling flow: 8 days - QA, testing with test numbers, latency tuning: 3 days - Deploymen
$150 USD på 3 dage
0,0
0,0

Leveraging my extensive skillset in API integration, Mobile App and Web Development, AI, and Machine Learning - we at the team believe we are uniquely equipped to deliver an exceptionally tailored solution for your AI Cold-Calling Appointment Setter project. Our expertise with tools such as Dialogflow, GPT API coupled with our knowledge of Twilio Voice and Google Calendar API will enable us to build a robust voice-based AI agent that can seamlessly handle objections while securing appointments - creating a more efficient conversion funnel for you. One of our key strengths is our ability to provide scalable solutions without compromising quality or speed. With your project, I envision an arrangement where you can simply press "start" after uploading your prospect's list and rely on your AI Agent to close deals and schedule meetings - all the while maintaining personalized interactions that replicate human conversations with minimal latency. Moreover, we value client collaboration and as such we will provide you with not just an end-to-end deliverable but also a comprehensive guide and video documenting the setup, call flow, and a live booking -ensuring you have everything needed for future deployment or system replication on your own account. Satisfying our clients by meeting their unique project requirements is at the core of our commitment to excellence. I look forward to discussing this project further with you and embarking on this successful journey together!
$220 USD på 7 dage
0,0
0,0

Hello, I would love to help. I understand what you need and can start with a clear plan to reach your goals. I am a skilled freelancer with 8+ years of experience in API Integration and I have completed similar projects. Visit my profile to check my latest work and read short client reviews. Looking forward to working with you, connect in chat. Talk soon, Dax Manning
$30 USD på 7 dage
0,0
0,0

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