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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
How to Prioritize Naturalness in Voice Cloning for Brand-Aligned Tones

How to Prioritize Naturalness in Voice Cloning for Brand-Aligned Tones

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14 min read

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Building a HIPAA-Compliant Telehealth Solution with VAPI: What I Learned

Building a HIPAA-Compliant Telehealth Solution with VAPI: What I Learned

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14 min read
Building Custom Voice Profiles in VAPI for E-commerce: A Developer's Journey

Building Custom Voice Profiles in VAPI for E-commerce: A Developer's Journey

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12 min read
Integrate Node.js with Retell AI and Twilio: Lessons from My Setup

Integrate Node.js with Retell AI and Twilio: Lessons from My Setup

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12 min read
Seamless Real-Time Multilingual Communication with Language Detection: My Journey

Seamless Real-Time Multilingual Communication with Language Detection: My Journey

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11 min read
How to Build a Prompt for Voice AI with Contact and Memory: A Developer's Guide

How to Build a Prompt for Voice AI with Contact and Memory: A Developer's Guide

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14 min read
Create Voice Flows with SDKs and Low-Code Builders for Non-Engineers

Create Voice Flows with SDKs and Low-Code Builders for Non-Engineers

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12 min read
How to Deploy a Voice AI Agent Using Railway for eCommerce Success

How to Deploy a Voice AI Agent Using Railway for eCommerce Success

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11 min read
Implementing Real-Time Streaming with VAPI for Live Support Chat Systems

Implementing Real-Time Streaming with VAPI for Live Support Chat Systems

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14 min read
Build Voice AI Applications with No-Code: Retell AI Guide to Success

Build Voice AI Applications with No-Code: Retell AI Guide to Success

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12 min read
Rapid Prototyping with Retell AI: A No-Code Builder Guide to Voice Apps

Rapid Prototyping with Retell AI: A No-Code Builder Guide to Voice Apps

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11 min read
Contact Center Automation: Build Inbound/Outbound AI Agents with Twilio

Contact Center Automation: Build Inbound/Outbound AI Agents with Twilio

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12 min read
Implementing VAD and Turn-Taking for Natural Voice AI Flow: My Experience

Implementing VAD and Turn-Taking for Natural Voice AI Flow: My Experience

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12 min read
Quick CRM Integrations with Retell AI's No-Code Tools: My Experience

Quick CRM Integrations with Retell AI's No-Code Tools: My Experience

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14 min read
Integrating Deepgram for Real-Time ASR in Voice Agent Pipelines: A Developer's Journey

Integrating Deepgram for Real-Time ASR in Voice Agent Pipelines: A Developer's Journey

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12 min read
How to Adapt Tone to User Sentiment in Voice AI and Integrate Calendar Checks

How to Adapt Tone to User Sentiment in Voice AI and Integrate Calendar Checks

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12 min read
Rapid Deployment of AI Voice Agents Using No-Code Builders

Rapid Deployment of AI Voice Agents Using No-Code Builders

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10 min read
Monetize Voice AI Solutions for eCommerce Using VAPI Effectively

Monetize Voice AI Solutions for eCommerce Using VAPI Effectively

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13 min read
Implementing Real-Time Audio Streaming in VAPI: Use Cases

Implementing Real-Time Audio Streaming in VAPI: Use Cases

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10 min read
Top Advancements in Building Human-Like Voice Agents for Developers

Top Advancements in Building Human-Like Voice Agents for Developers

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11 min read
Implementing PII Detection and Redaction in Voice AI Systems

Implementing PII Detection and Redaction in Voice AI Systems

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14 min read
Rapid Prototyping with No-Code Tools: Build AI Voice Agents

Rapid Prototyping with No-Code Tools: Build AI Voice Agents

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11 min read
Boost CSAT with VAD, Backchanneling, and Sentiment Routing

Boost CSAT with VAD, Backchanneling, and Sentiment Routing

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10 min read
How to Connect VAPI to Google Calendar for Appointment Scheduling

How to Connect VAPI to Google Calendar for Appointment Scheduling

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12 min read
Scaling VAPI for High Traffic: Load Balancing Best Practices

Scaling VAPI for High Traffic: Load Balancing Best Practices

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13 min read
How to Create Production-Ready Builds with Voice AI Tools

How to Create Production-Ready Builds with Voice AI Tools

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11 min read
How to Prioritize Naturalness in Voice AI: Implement VAD

How to Prioritize Naturalness in Voice AI: Implement VAD

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11 min read
Deploy Low-Code/No-Code Voice AI Agents in Under a Week

Deploy Low-Code/No-Code Voice AI Agents in Under a Week

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11 min read
Rapid Deployment with No-Code Builders: A Guide to Retell AI

Rapid Deployment with No-Code Builders: A Guide to Retell AI

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13 min read
Implement Omni-Channel Strategies for Voice Agents: SMS, Chat, and More

Implement Omni-Channel Strategies for Voice Agents: SMS, Chat, and More

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12 min read
How to Implement Voice AI with Twilio and VAPI: A Step-by-Step Guide

How to Implement Voice AI with Twilio and VAPI: A Step-by-Step Guide

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14 min read
Implementing Real-Time Streaming with VAPI: Build Voice Apps

Implementing Real-Time Streaming with VAPI: Build Voice Apps

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11 min read
How to Integrate AI Voice Agents with CRM and Telephony Systems

How to Integrate AI Voice Agents with CRM and Telephony Systems

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12 min read
How to Set Up ElevenLabs Voice Cloning for Personalized Customer Interactions

How to Set Up ElevenLabs Voice Cloning for Personalized Customer Interactions

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12 min read
Integrate Google Calendar with Twilio and Railway for AI Voice Applications

Integrate Google Calendar with Twilio and Railway for AI Voice Applications

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11 min read
How to Build Emotionally Intelligent Voice AI Agents Today

How to Build Emotionally Intelligent Voice AI Agents Today

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11 min read
How to Build a Twilio Voice Response System: Step-by-Step Guide

How to Build a Twilio Voice Response System: Step-by-Step Guide

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14 min read
How to Deploy an AI Voice Agent for Real Estate Lead Qualification

How to Deploy an AI Voice Agent for Real Estate Lead Qualification

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13 min read
How to Build a Voice AI Agent for Real Estate Appointments Using VAPI

How to Build a Voice AI Agent for Real Estate Appointments Using VAPI

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13 min read
How to Build a Voice AI Agent for Dental Office Appointment Setting

How to Build a Voice AI Agent for Dental Office Appointment Setting

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12 min read
How to Deploy an AI Voice Agent for Customer Support Using VAPI

How to Deploy an AI Voice Agent for Customer Support Using VAPI

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11 min read
How to Build a Voice Bot for Car Dealerships Using VAPI

How to Build a Voice Bot for Car Dealerships Using VAPI

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13 min read
Integrate Voice AI with Salesforce for Lead Qualification

Integrate Voice AI with Salesforce for Lead Qualification

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13 min read
Integrate Voice AI with Salesforce for Enhanced Customer Support

Integrate Voice AI with Salesforce for Enhanced Customer Support

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13 min read
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