Iframe Test Harness
App URL
Load
Size
Full
Desktop
Tablet (sm)
Mobile (sm)
Phone
SET_CONTACT_PHONE_NUMBER
START_CALL
Flow:
idle — waiting for TALKHUB_READY
Flow: READY → SET_CONTACT → CONTACT_FOCUSED → START_CALL
Current callId (read-only, from CALL_STARTED)
END_CALL
MUTE
UNMUTE
HOLD
UNHOLD
Display
SET_DISPLAY_MODE → CALL_ONLY
current: unknown
Manual type
Payload JSON
Send postMessage
Preset: SET_CONTACT_PHONE_NUMBER
Preset: START_CALL
Clear log
Outbound events from TalkHub
READY / contact / display / call lifecycle / state / errors