What is Warm Transfer? (Call transfer / escalation)
2 min read · Bolcho
Handing a live caller from the AI agent to a human, with context, so the person doesn't have to repeat themselves.
Warm Transfer explained
A warm transfer bridges the caller to a human agent while passing along a summary of the conversation so far. It's the safety net that keeps quality high: the agent handles the routine 80% and escalates the rest cleanly.
Bolcho's Transfer Call tool bridges the caller in-room so audio stays two-way, rather than a blind SIP hand-off that can leave the caller on a one-way line.
Why it matters for voice AI in India
Understanding warm transfer helps you build voice agents that actually work for Indian callers, genuine languages, low latency, and near-cost pricing. Bolcho is built around exactly these fundamentals.
See it in a real agent
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Frequently asked questions
What does Warm Transfer mean?
Handing a live caller from the AI agent to a human, with context, so the person doesn't have to repeat themselves.
Why does warm transfer matter in voice AI?
Bolcho's Transfer Call tool bridges the caller in-room so audio stays two-way, rather than a blind SIP hand-off that can leave the caller on a one-way line.

