Configure system prompt and voice for your AI phone assistant
Define how the AI assistant should behave during phone calls. Changes take effect on the next call.
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Select the voice for the AI assistant. All 31 voices verified for Gemini 2.5 Flash.
Select the Gemini Live model. Changes take effect on the next call. Models under "Not supported yet" cannot be selected.
Controls randomness in responses (0.0 = deterministic, 2.0 = highly creative). Default is 1.0.
The first thing Gemini says when a call connects (after a 2-second delay). Leave empty to let the caller speak first.
Handle cases where the caller does not speak after it becomes their turn.
0 disables timeout handling.
Leave empty to skip speaking and continue the flow.