Virtual Assistant Phone System
for Cheap Web Calling and AI Telephony
Dial from any browser tab and pay by the minute. Nothing to install, and a number is only needed when you want to take inbound calls.
Pricing and facts
- Outbound: Dial out with no dedicated number, billed per minute.
- Inbound: Add a US/Canada digital number from $2.14 to $5/month.
- No apps: Runs in Chrome, Safari, Edge, and Firefox.
How the Virtual Assistant Phone System Works
Pair WebRTC browser calling with Twilio PSTN connectivity and AI to automate or support phone conversations at scale, all at low per minute rates.
Browser-Based Calling
Place and answer calls straight from Chrome, Safari, or Firefox. No installs, no plugins, and no setup fees.
Autonomous Voice Agents
Let autonomous voice agents take care of routine work such as qualifying leads, booking appointments, or triaging support, powered by OpenAI and Deepgram.
Real-Time Agent Copilot
Live transcription and suggested replies help your human agents answer faster and slip up less during calls.
Virtual Numbers Globally
Buy and manage local numbers across 190+ countries at budget friendly rates, so you keep a local presence and field inbound calls with ease.
Real Time Analytics
Follow call volume, agent performance, transcripts, and exactly what you are spending in real time, so you can tune operations and lift results.
Core Features
All you need to launch AI powered calling flows for support, sales, and operations, with no surprise costs.
Autonomous Agents
Walk callers through scripts, gather data, and route calls with no human in the loop.
Copilot for Agents
Live transcription and suggested replies so agents move faster and take on tricky calls with confidence.
Global Virtual Numbers
Cheap local numbers across hundreds of regions to win inbound reach and customer trust.
API & Integrations
Hook into CRMs, ticketing tools, or custom webhooks to keep call data and actions in sync.
Security & Compliance
Encrypted voice streams plus secure storage for your transcripts and call logs.
PSTN Connectivity
Dependable Twilio backed routing that reaches any phone number worldwide at low rates.
Frequently Asked Questions
What does a virtual assistant phone system do?
It is a cloud calling platform where AI handles or assists your phone conversations. With Intercalling you run AI or support agents from a browser and connect to ordinary phone numbers worldwide, paying only for the minutes you use.
Can AI agents place outbound calls?
Yes. Autonomous agents can start outbound calls, work through a script, capture responses, and log the results to your CRM or dashboard.
Do I need to install anything?
No. Intercalling runs in modern browsers over WebRTC. Sign in, allow microphone access, and you are ready to call.
Can I transfer a call from an AI agent to a human?
Yes. Set routing rules so the AI agent can hand off to a human, conference in a supervisor, or book a callback.
Ready to stand up your virtual assistant phone system?
Sign up, spin up an AI agent or switch on Copilot for your team in minutes, and start calling from your browser at pay as you go rates.

Call from any browser
No app and no SIM. Place the call from your computer or phone in seconds.

Low rates to 190+ destinations
Clear per minute pricing, shown before you dial. Pay as you go, no monthly fee.

One balance, every device
Start on your laptop, continue on your phone, all at the same low rate.