
Callsi AI Phone Agents
Callsi is an AI-powered telephony platform that provides human-like AI agents to handle both inbound and outbound calls for marketing, sales, support, appointments, and customer service with natural conversations in multiple languages.
https://getcallsi.in/?ref=producthunt

Product Information
Updated:Oct 11, 2025
What is Callsi AI Phone Agents
Callsi is an advanced AI-powered telephony platform designed to revolutionize how businesses handle phone communications. Instead of relying on traditional call centers or hiring large teams, Callsi introduces intelligent, human-like AI telephone agents that can manage both inbound and outbound calls with precision. The platform integrates with Twilio for global reach and uses OpenAI's real-time voice technology to deliver lifelike conversations that feel natural and human.
Key Features of Callsi AI Phone Agents
Callsi is an AI-powered phone system that handles both inbound and outbound calls with human-like conversational abilities. It can conduct sales calls, qualify leads, book appointments, provide customer support, and send reminders - all while speaking multiple languages with natural voices. The system integrates with Twilio for global reach, maintains call transcripts, supports scheduling, and ensures compliance with calling regulations. Users can train the AI with custom scripts and business materials for consistent messaging.
Human-like AI Voice Interactions: Uses advanced real-time voice technology from OpenAI to conduct natural conversations with minimal latency, offering multiple voice options and language support
Quick Training & Customization: Easily trained with business materials, scripts and FAQs to become an expert on your products and services within minutes
Comprehensive Call Management: Handles scheduling, maintains call transcripts, sends SMS with purchase links, and integrates with calendars for appointment booking
Campaign Management: Supports creation of multiple campaigns with different objectives, scripts and settings for various products or businesses
Use Cases of Callsi AI Phone Agents
Sales & Lead Generation: Conducts outbound sales calls, qualifies leads, and books appointments for sales teams while maintaining consistent messaging
Customer Support: Handles incoming customer queries 24/7, provides product information, and resolves support issues without human intervention
Appointment Management: Perfect for medical clinics, salons and service providers to handle appointment scheduling, reminders and follow-ups
Market Research: Conducts phone surveys and collects customer feedback at scale with consistent delivery and accurate response recording
Pros
24/7 availability for calls without human staffing costs
Consistent messaging and performance across all interactions
Scalable solution that can handle high call volumes
Cons
Requires Twilio account for implementation
May not handle complex or highly nuanced conversations
Initial setup and training required for optimal performance
How to Use Callsi AI Phone Agents
Sign up for Callsi: Purchase either the Elite Monthly ($47) or Elite Yearly ($297) plan which includes 20,000 welcome credits, 50 daily calls, and up to 15 campaigns
Set up Twilio Integration: Connect your Callsi account with Twilio to enable making and receiving live calls globally using virtual phone numbers
Train the AI Agent: Upload your business materials, sales scripts, FAQs and guidelines to train the AI on your products, services and sales process
Configure Voice Settings: Choose from multiple natural-sounding male and female voices and select the languages you want your AI agent to speak in
Create Campaigns: Set up separate campaigns for different purposes like sales, surveys, support etc. with specific call flows and settings
Set Call Scheduling: Configure calling hours and days, and set up scheduling rules to control when your leads and customers will be called
Enable Calendar Integration: Connect with Google Calendar if you want the AI to book appointments and schedule meetings
Set up DND Compliance: Upload your DND (Do Not Disturb) lists and configure settings to maintain compliance with calling regulations
Configure SMS Settings: Set up SMS capabilities if you want the AI to send purchase links or landing pages to interested prospects
Monitor Performance: Review call transcripts and notifications to analyze conversations and update AI responses as needed
Callsi AI Phone Agents FAQs
Callsi uses Twilio to create live calls powered by realtime AI voices. It creates a virtual agent that can handle both inbound and outbound calls, using AI to have natural conversations. You'll need both a Callsi account and a Twilio account to make calls.
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