Core call controls
The main operational settings include:- who speaks first,
- the first message content, either written directly or generated from the prompt,
- pause before the first message,
- end call on silence,
- maximum call duration,
- ring duration,
- and voicemail detection, including whether the agent should hang up or leave a message.
Speech settings
Speech settings control how the agent sounds and reacts in conversation. These include:- voice speed,
- voice temperature,
- volume,
- voice stability,
- similarity boost,
- response eagerness,
- interruption sensitivity,
- and backchannel behaviour such as short acknowledgements like “uh-huh” or “yeah”.
Background sound
RapidCall also supports optional background sound effects to make calls feel more natural and less synthetic. Available environments can include settings such as:- office,
- call centre,
- bank,
- café,
- restaurant,
- and more.
