Access, discourse, negotiation, talks..

"LRAD RX™ is the prescription for remotely controlled security, enabling system operators to detect and communicate with an intruder over long distances. LRAD-RX uses its directionality and focused acoustic output to clearly transmit critical information, instructions and warnings well beyond 1000 meters. Through the use of powerful voice commands and deterrent tones, large safety zones can be created while determining the intent and influencing the behavior of an intruder. Audio output from LRAD-RX is highly directional so nearby personnel and system operators are not exposed to excessive audio levels, while still providing exceptional voice intelligibility and tonal clarity over long distances."

.. the US State Department wants the parties to have a drink and talk it over when it gets through spending quality time with the kids..