Module · Voice✅Knowledge checkCheck: doing it on the phone3 questions · Pass at 60%1. A Voice Response node runs green and the caller hears nothing. What is the most likely cause?The audio was produced, but the call had already been endedThe text held an unresolved reference, so there was nothing to sayThe voice integration is disconnected, which the node warns aboutsynthesizer_source is left at none, so no speech is produced2. call_timeout_minutes on the inbound call node is set to five, and a call runs for nine. What happens?The call is cut off at five minutes, mid-conversationThe call runs all nine; the workflow stopped waiting at fiveThe workflow fails, with a timeout error against that nodeThe call is transferred to the fallback destination at five3. Your outbound voice agent opens with “hello, who am I speaking to?” — even though you passed the contact's phone number. Why?The CRM contact lookup only runs on inbound calls, not outboundThe agent's memory is off, so it cannot retain who it calledA number is not an identity; context goes in variablesThe telephony provider strips caller data on outbound callsCheck answers← Back to Actions — making things happenNext topic →