CallUltra

AI agents

What an agent can do during a call

Call tools connect the conversation to call records, knowledge, calendars, messaging, and human handoff.

Reviewed

Built-in call actions

ActionPurpose
Capture caller detailsSave contact information collected during the conversation.
Log an outcomeRecord the call result and its disposition.
Schedule a callbackQueue the contact for a later attempt.
Search knowledgeRetrieve relevant passages from uploaded knowledge files.
Check and book a calendar slotUse a connected calendar for availability and booking.
Transfer to a personBring a configured human destination into the call.
Send a WhatsApp messageSend a follow-up through a connected WhatsApp integration.
End the callFinish the conversation and flush pending call updates.

Connect the required service

Some actions depend on account setup. Connect and test the relevant calendar or messaging provider, and configure a human transfer destination before instructing the agent to use it.

Custom tools

The builder includes custom tool configuration, but custom tool definitions are not currently exposed to the live voice model. Use the supported built-in actions and connected integrations for production calls.