Traditionally, much of the intelligence for controlling data communications is spread around a network, managed by proprietary software that comes with each vendor's gear.
The main law controlling phone tapping in Britain is the Interception of Communications Act, which the then Conservative government was forced to introduce in 1985, after a case at the European Court of Human Rights.
Garmin's new multi-controller concept provides a new and unique way of controlling essential functions of an in-car infotainment system, such as audio, apps, communications and navigation.