Conversation behaviour

These settings decide when the assistant talks and when it stops. All of them live in the assistant configuration and are published with a version; on a browser test call the interruption mode can be changed per call. Admins can also change the interruption mode and the maximum call length in Assistants → assistant → Settings. Prompt and policies →

Interruptions (turn)

If the customer starts talking while the assistant is speaking, the assistant stops. Short acknowledgements (“hı hı”, “evet”) do not stop it.

Field	Default	Limit	Meaning
interruption_mode	sentence_start	off, sentence_start, on	on: can be interrupted at any time. sentence_start: can be interrupted during the first interruption_window_s seconds of each assistant turn, then locks. off: cannot be interrupted
interruption_window_s	1.5	0–10 s	The open window in sentence_start mode
interruption_min_duration_s	0.6	0.1–2 s	Shortest sound needed to pause; short acknowledgements stay below it
min_interruption_words	0	0–10	0: pause as soon as speech is heard and continue if it was an acknowledgement. >0: no interruption until that many words are recognised (slower)
false_interruption_timeout_s	1.0	0.3–5 s	How long the assistant waits after the customer stops before continuing

Turn-taking

Field	Default	Limit	Meaning
eou_threshold	0.95	0–1	Confidence threshold for deciding the customer has finished
min_endpointing_delay	0.5 s	0–3	Minimum wait before answering. 0.5 s so pauses inside Turkish sentences don’t cut the turn
max_endpointing_delay	2.5 s	0.5–10	Maximum wait
vad_min_silence_s	0.3 s	0.1–1.5	Silence needed for end of speech

Silence (inactivity)

Field	Default	Meaning
enabled	true	Silence handling is on
warn_s	15 s	After this much silence: “Orada mısınız? Sizi duyamıyorum.” (“Are you there? I can’t hear you.”)
hangup_s	45 s	After this much silence the call ends (must be greater than warn_s)
post_close_listen_s	3 s	Keep listening this long after the closing sentence (0–30)

Call duration limit

Field	Default	Limit
runtime.max_duration_s	600 s (10 min)	30–3600
runtime.max_duration_warn_s	60 s	0–600; 0 means no warning
runtime.max_duration_warn_text	“Görüşme süremiz dolmak üzere…” (our time is almost up; any remaining issue can be passed to the team as a request)	—

max_duration_warn_s seconds before the limit the assistant politely warns the customer; when the limit is reached the call ends.

How a call ends (hangup)

The assistant ends the call with the end_call tool and says the hangup.goodbye sentence. A call also ends when the customer hangs up, the connection drops or the silence limit is reached. The call’s outcome (outcome) is shown in the call record; for example user_hangup when the customer hung up.

Note

When your plan’s monthly minutes are used up, inbound calls are not cut, only flagged as overage; outbound calls stop. Plans →