ZURICH – IP audio and control specialist Barix, which in January announced its intent to support Crestron Rava™ SIP intercom and phone technology, today announces the availability of the Annuncicom 200-Rava - a unique, bidirectional IP audio interface for door stations that allows PTT (push-to-talk) intercom with Crestron Rava-enabled touch screens. The Annuncicom joins an elite list of Crestron Connected™ devices embedded with Crestron control intelligence to enable native ...This story is related to the following:Communication Systems and EquipmentControls and ControllersSearch for suppliers of: Intercoms | Interface Controls | Operator Interface Programmable Controllers