Introducing VideoSDK Call Transfer: Let Your AI Agent Hand Off Live Calls - No Hang-Up, No Redial

VideoSDK Call Transfer enables AI phone agents to forward an ongoing SIP call to another phone number without requiring callers to hang up, redial, or lose their place in the conversation. The feature is designed for routing requests such as billing, sales, or other departments, with the agent using its language-model-based understanding of caller intent to invoke a function tool that calls `session.call_transfer()` with a configured destination number. The guide explains a Python implementation featuring agent instructions, call-entry and exit greetings, a `@function_tool` transfer method, environment-based destination configuration, and status reporting for successful or failed transfers. It also notes that telephony routing must be configured separately and provides runnable GitHub examples. Unlike direct Call Transfer, which simply forwards a call, Warm Transfer is intended for human escalations that require context, placing the caller on hold while the receiving supervisor receives an AI-generated conversation summary before taking the call.

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