How do I set up a virtual assistant phone system?

Sign up, purchase a virtual number if needed, configure an AI agent or Copilot, and start handling calls directly from your browser.

Can the system integrate with my CRM?

Yes. StartACall supports webhooks and API integrations so you can sync call data and transcripts with CRMs and other tools.

Is this browser only?

StartACall is designed for browser calling using WebRTC, so there is no desktop or mobile app required for core calling features.

Can AI agents handle multiple languages?

Yes. With Deepgram transcription and configurable AI prompts you can deploy agents that understand and respond in multiple languages.

Do I need to install software to use it?

No. StartACall runs in modern browsers using WebRTC. Sign in and start calling from Chrome, Safari, or Firefox.

Can the AI agent handle live calls?

Yes. Autonomous AI agents can answer inbound calls, place outbound calls, and transfer to human staff when needed. Agents use OpenAI for conversation and Deepgram for speech recognition.

Which countries can I get virtual numbers in?

StartACall offers virtual numbers in over 190 countries so you can present local caller IDs and receive inbound calls globally.

AI Phone Assistants

Virtual Assistant Phone System
for Web Calling and AI Telephony

Use StartACall to run autonomous AI agents, assist human agents in real time, and make or receive PSTN calls directly from your browser. No downloads required. Deploy virtual numbers globally and monitor performance with real-time analytics.

How it Works

Live Demo Line

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How the Virtual Assistant Phone System Works

Combine WebRTC browser calling, Twilio PSTN connectivity, and AI to automate or assist phone conversations at scale.

Browser-Based Calling

Make and receive calls directly from Chrome, Safari, or Firefox. No app installs or plugins needed.

AI Agents

Autonomous voice agents can handle common tasks like lead qualification, appointment booking, or support triage using OpenAI and Deepgram.

AI Copilot

Real-time transcription and suggested replies help human agents respond faster and reduce errors during live calls.

Virtual Numbers Globally

Purchase and manage local numbers across 190+ countries to present a local presence and handle inbound calls seamlessly.

Local caller ID for global reach

Real-time Analytics

Track call volume, agent performance, call transcripts, and spending in real time to optimize operations and improve outcomes.

Secure and compliant voice logs

Key Features

Everything you need to deploy AI-powered calling flows for support, sales, and operations.

Autonomous AI Agents

Run callers through scripts, collect data, and route calls without a human in the loop.

AI Copilot for Agents

Live transcription and suggested responses so agents work faster and handle complex calls with confidence.

Global Virtual Numbers

Local numbers across hundreds of regions for inbound customer reach and trust.

API & Integrations

Connect to CRMs, ticketing platforms, or custom webhooks to sync call data and actions.

Security & Compliance

Encrypted voice streams and secure storage for transcripts and call logs.

PSTN Connectivity

Reliable Twilio-backed routing to reach any phone number worldwide.

Frequently Asked Questions

What is a virtual assistant phone system?

It is a cloud telephony platform that uses AI to handle or assist phone conversations. With StartACall you can run AI agents or support agents from a browser and connect to regular phone numbers worldwide.

Can AI agents place outbound calls?

Yes. Autonomous agents can initiate outbound calls, follow a script, collect responses, and record results to your CRM or dashboard.

Do I need to install anything?

No. StartACall works in modern browsers using WebRTC. Sign in, grant microphone access, and you are ready to call.

Can I transfer a call from an AI agent to a human?

Yes. Configure routing rules so the AI agent can escalate to a human agent, conference in a supervisor, or schedule a callback.

Virtual Assistant Phone System for Web Calling and AI Telephony