call.session.deviceTalk (Device talk)
call.session.deviceTalk: Device talk
call.session.deviceTalk · Device scope · discovery only · Permission Talk
What it does
Discovery-only: no public fields. If this leaf appears in device.capability.list without channelId, the device supports device-level talk. AudioTalk / 82500; AudioTalk. When Channel talk is also present, prefer channel talk.
How to invoke
OpenBook does not expose device.service.invoke for this leaf. Session control uses the SDK/talk guides.
Developer path
- Discover capabilities:
device.capability.list. - Talk and answer control: Mobile app development, Light app components, and Mobile app development.