How to contact call broadcasts cease and during As a general rule not because venues broadcast and published calls would interfere with the negotiations. As much as possible in your booth for their occasional phone install.
Contact method in the call broadcast stop and the exhibition venue broadcast of the call such as the release date will not as a general rule because that might interfere with the negotiations. Please set up a temporary phone as much as possible within their booth.
Method of contact during a session, and the calling off the airPublic venues such as the broadcasting of the call is a barrier to trade for the principle. As much as possible in their special telephone booth is installed.