AI calling, explained
Practical guides for teams deciding whether to put an AI agent on their phone lines: how it works, what it costs, the rules in India, and how to make a call go well.
What an AI phone call costs, line by line
The parts of an AI call's cost: AI, telephony, pulses, number rentals and platform fees, with a worked example in rupees and a fair human comparison.
AI calling in Hindi and other Indian languages
How AI voice agents handle Hinglish, Indian names, numbers and addresses, how to choose recognition and voices, and how to test with real callers.
The rules for automated and AI calls in India, in plain words
What TRAI's telemarketing rules, DND, DLT, the 140 and 160 number series and the DPDP Act mean for AI calls in India, as of October 2026, with sources.
Should your AI agent say it is an AI?
What the research says about telling callers they are talking to an AI, how to word the notice, and what India, the US and the EU require.
Barge-in and turn-taking: letting callers interrupt an AI agent
How an AI agent decides the caller has finished, how it handles being interrupted, why it sometimes stops for no reason, and what to tune.
Handing an AI call to a person without losing the caller
When an AI call should go to a human, warm versus cold transfer, how to pass context so callers do not repeat themselves, and what to do when nobody picks up.
Inbound or outbound: where an AI voice agent earns its keep
Answering calls and making calls are different jobs with different risks. Here is what each needs, and how to choose the first one to automate.
Calling new enquiries while they still remember asking
How to call new leads from forms, portals and ads quickly: what the evidence says about delay, calling windows, consent and DND in India, and the first call.
SIP, WhatsApp or a virtual number: choosing lines for AI calls
How to put an AI agent on a phone line in India: SIP trunks, WhatsApp calling and virtual numbers compared on capacity, trust, setup effort and rules.
Writing prompts for a voice agent that works on the phone
A prompt written for a chat window fails on the phone. How to write for the ear: short sentences, one question at a time, honest limits, and real test calls.
Why the pause matters: latency in AI phone calls
Where the time goes between a caller finishing a sentence and the agent answering, why chained and realtime agents differ, and what you can change.
What AI calling is, and how a voice agent handles a real phone call
What actually happens when an AI voice agent takes a phone call: the line, listening, thinking, speaking, tools and the record you get afterwards.
Hear how an AI call runs
Play the caller in a scripted demo call in your browser, or work out what your own calls would cost.