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CallStack Tech

We skip the "What is AI?" intro fluff. If you're shipping voice agents that handle real users, this is for you.

Joined Joined on  Personal website https://callstack.tech
Integrate Seamlessly: Leveraging APIs for Voice-to-Chat Handoffs with Twilio & VAPI
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Integrate Seamlessly: Leveraging APIs for Voice-to-Chat Handoffs with Twilio & VAPI

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12 min read

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How to Deploy VAPI Voice AI Agent for Real Estate Scheduling: A Developer's Journey
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How to Deploy VAPI Voice AI Agent for Real Estate Scheduling: A Developer's Journey

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11 min read
Integrating HubSpot with Salesforce Using Webhooks: What I Learned
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Integrating HubSpot with Salesforce Using Webhooks: What I Learned

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14 min read
Building Production-Ready AI Voice Implementations for Scalable Conversations
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Building Production-Ready AI Voice Implementations for Scalable Conversations

2
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12 min read
Low-Latency Integrations and Agentic Workflows: A Developer's Guide to Real-Time Voice Agents
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Low-Latency Integrations and Agentic Workflows: A Developer's Guide to Real-Time Voice Agents

1
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12 min read
Creating Custom Voice Profiles in VAPI: Enhancing E-Commerce Interactions
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Creating Custom Voice Profiles in VAPI: Enhancing E-Commerce Interactions

2
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12 min read
How to Setup VAPI Webhooks for Real-Time Voice Processing: My Journey
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How to Setup VAPI Webhooks for Real-Time Voice Processing: My Journey

2
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12 min read
Implement Governance for AI Voice Agents: Build Data Readiness and Compliance
Cover image for Implement Governance for AI Voice Agents: Build Data Readiness and Compliance

Implement Governance for AI Voice Agents: Build Data Readiness and Compliance

2
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13 min read
How to Measure Outcomes: Track FCR, AHT, CSAT, and Deflection Rates Effectively
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How to Measure Outcomes: Track FCR, AHT, CSAT, and Deflection Rates Effectively

2
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13 min read
Integrate Voice AI with Salesforce for Automated Customer Interactions: My Experience
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Integrate Voice AI with Salesforce for Automated Customer Interactions: My Experience

2
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13 min read
Integrate Omnichannel Voice and Digital Solutions for Seamless Customer Experiences
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Integrate Omnichannel Voice and Digital Solutions for Seamless Customer Experiences

2
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13 min read
Building Production-Ready STT/TTS Implementations with LLMs: Lessons Learned
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Building Production-Ready STT/TTS Implementations with LLMs: Lessons Learned

2
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12 min read
How to Set Up VAPI for AI Appointment Scheduling in Healthcare: A Developer's Guide
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How to Set Up VAPI for AI Appointment Scheduling in Healthcare: A Developer's Guide

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13 min read
Integrate Twilio for Inbound Calls on Railway Deployments: A Step-by-Step Guide
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Integrate Twilio for Inbound Calls on Railway Deployments: A Step-by-Step Guide

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13 min read
How to Filter Accents and Emotions in Voice AI with PlayHT: A Developer's Journey
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How to Filter Accents and Emotions in Voice AI with PlayHT: A Developer's Journey

1
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10 min read
How to Set Up Voice AI for Scheduling Appointments with Calendly Using Twilio
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How to Set Up Voice AI for Scheduling Appointments with Calendly Using Twilio

1
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12 min read
Optimize Voice Bot Latency for AI Appointment Setters: What I Learned
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Optimize Voice Bot Latency for AI Appointment Setters: What I Learned

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13 min read
Integrate Seamlessly: Low-Code Connectors for CRMs and Twilio Flows
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Integrate Seamlessly: Low-Code Connectors for CRMs and Twilio Flows

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13 min read
Build Data-Ready Infrastructure: Aligning Human-AI Handoffs for Efficiency
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Build Data-Ready Infrastructure: Aligning Human-AI Handoffs for Efficiency

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12 min read
Integrate Appointment Scheduling with Google Calendar and Twilio: A Developer's Journey
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Integrate Appointment Scheduling with Google Calendar and Twilio: A Developer's Journey

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14 min read
Securely Integrate Voice AI with Private Cloud Solutions: My Experience
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Securely Integrate Voice AI with Private Cloud Solutions: My Experience

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12 min read
Implementing Real-Time Streaming with VAPI: Building a Live Chat App
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Implementing Real-Time Streaming with VAPI: Building a Live Chat App

1
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12 min read
Ethical and Adaptive Design for Voice AI: Seamless Language Switching Insights
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Ethical and Adaptive Design for Voice AI: Seamless Language Switching Insights

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12 min read
API-First Development: Mastering Webhooks and Workflows for Real-Time Automation
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API-First Development: Mastering Webhooks and Workflows for Real-Time Automation

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10 min read
Creating Custom Voice Profiles in VAPI for Personalized Marketing Campaigns
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Creating Custom Voice Profiles in VAPI for Personalized Marketing Campaigns

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14 min read
Stream Audio with VAPI for Enhanced Voice Quality: My Implementation Journey
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Stream Audio with VAPI for Enhanced Voice Quality: My Implementation Journey

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13 min read
Implementing Custom Voice Profiles in VAPI for Healthcare Applications: A Practical Guide
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Implementing Custom Voice Profiles in VAPI for Healthcare Applications: A Practical Guide

1
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14 min read
How to Qualify Leads: Budget, Timeline, and CRM Integration Insights
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How to Qualify Leads: Budget, Timeline, and CRM Integration Insights

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13 min read
Integrate ElevenLabs for Natural Voice AI in Your Application: A Developer's Journey
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Integrate ElevenLabs for Natural Voice AI in Your Application: A Developer's Journey

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12 min read
Technical Capabilities Developers Are Implementing in Voice AI: A Deep Dive
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Technical Capabilities Developers Are Implementing in Voice AI: A Deep Dive

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12 min read
How to Set Up Voice AI for Customer Support Using VAPI: A Developer's Journey
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How to Set Up Voice AI for Customer Support Using VAPI: A Developer's Journey

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11 min read
How to Set Up Voice AI Slack Notifications for Real-Time Updates with Twilio
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How to Set Up Voice AI Slack Notifications for Real-Time Updates with Twilio

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12 min read
How to Build a Voice AI Agent for HVAC Customer Support: My Experience
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How to Build a Voice AI Agent for HVAC Customer Support: My Experience

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14 min read
How to Transcribe and Detect Intent Using Deepgram for STT: A Developer's Journey
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How to Transcribe and Detect Intent Using Deepgram for STT: A Developer's Journey

1
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11 min read
Integrating HubSpot with Salesforce using Webhooks for Real-Time Data Synchronization
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Integrating HubSpot with Salesforce using Webhooks for Real-Time Data Synchronization

1
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13 min read
How to Build Custom Pipelines for Voice AI Integration: A Developer's Journey
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How to Build Custom Pipelines for Voice AI Integration: A Developer's Journey

1
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13 min read
How to Set Up an AI Voice Agent for Customer Support in SaaS Applications
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How to Set Up an AI Voice Agent for Customer Support in SaaS Applications

1
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12 min read
Build Your Own Voice Stack with Deepgram and PlayHT: A Practical Guide
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Build Your Own Voice Stack with Deepgram and PlayHT: A Practical Guide

1
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12 min read
Build Your Own Voice Stack with Deepgram and PlayHT: A Developer's Journey
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Build Your Own Voice Stack with Deepgram and PlayHT: A Developer's Journey

1
Comments
14 min read
Implementing Real-Time Audio Streaming in VAPI: What I Learned
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Implementing Real-Time Audio Streaming in VAPI: What I Learned

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13 min read
Deploying Custom Voice Models in VAPI for E-commerce: Key Insights
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Deploying Custom Voice Models in VAPI for E-commerce: Key Insights

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12 min read
Implementing Real-Time Streaming with VAPI: Enhancing Customer Support with Voice AI
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Implementing Real-Time Streaming with VAPI: Enhancing Customer Support with Voice AI

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12 min read
How to Set Up Voice AI Webhook Handling for Real Estate Inquiries Effectively
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How to Set Up Voice AI Webhook Handling for Real Estate Inquiries Effectively

Comments
13 min read
Integrate Twilio with CRM using Low-Code Tools like Zapier and Make: My Journey
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Integrate Twilio with CRM using Low-Code Tools like Zapier and Make: My Journey

Comments
14 min read
Implementing Real-Time Streaming with VAPI: My Journey to Voice AI Success
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Implementing Real-Time Streaming with VAPI: My Journey to Voice AI Success

Comments
13 min read
Integrate Voice AI with No-Code Tools and CRM for Automation: My Journey
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Integrate Voice AI with No-Code Tools and CRM for Automation: My Journey

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11 min read
Secure Integration of Twilio, Zapier, and Railway for Compliance and Data Unification
Cover image for Secure Integration of Twilio, Zapier, and Railway for Compliance and Data Unification

Secure Integration of Twilio, Zapier, and Railway for Compliance and Data Unification

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13 min read
Technical Implementation Focus Areas for Voice AI Integration: Key Insights
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Technical Implementation Focus Areas for Voice AI Integration: Key Insights

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12 min read
How to Integrate Ethically with Retell AI and Bland AI: A Developer's Guide
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How to Integrate Ethically with Retell AI and Bland AI: A Developer's Guide

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12 min read
Creating Custom Voice Profiles in VAPI for E-commerce: Boosting Sales
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Creating Custom Voice Profiles in VAPI for E-commerce: Boosting Sales

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12 min read
Integrate Voice AI with Salesforce for Sales Automation: A Real Developer's Guide
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Integrate Voice AI with Salesforce for Sales Automation: A Real Developer's Guide

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14 min read
Empathetic Meeting Booking: Integrate with HubSpot CRM Using AI Tools
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Empathetic Meeting Booking: Integrate with HubSpot CRM Using AI Tools

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12 min read
How to Monetize Voice AI Agents for SaaS Startups with VAPI: My Journey
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How to Monetize Voice AI Agents for SaaS Startups with VAPI: My Journey

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13 min read
How to Test Multilingual and Contextual Memory for Intuitive Voice AI Agents
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How to Test Multilingual and Contextual Memory for Intuitive Voice AI Agents

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14 min read
How to Calculate ROI for Voice AI Agents in eCommerce: A Practical Guide
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How to Calculate ROI for Voice AI Agents in eCommerce: A Practical Guide

1
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14 min read
Retell AI Twilio Integration Tutorial: Build AI Voice Calls Step-by-Step
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Retell AI Twilio Integration Tutorial: Build AI Voice Calls Step-by-Step

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13 min read
Implementing Real-Time Emotion Detection in Voice AI: A Developer's Journey
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Implementing Real-Time Emotion Detection in Voice AI: A Developer's Journey

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13 min read
Scale Ethically: Implement Multilingual AI Voice Models with Data Privacy
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Scale Ethically: Implement Multilingual AI Voice Models with Data Privacy

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13 min read
How to Deploy a Voice AI Agent for HVAC Customer Inquiries: My Journey
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How to Deploy a Voice AI Agent for HVAC Customer Inquiries: My Journey

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13 min read
Building a HIPAA-Compliant Telehealth Solution with VAPI: My Journey
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Building a HIPAA-Compliant Telehealth Solution with VAPI: My Journey

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14 min read
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