AlltecPro Installs Its Flagship AV LinkPro in the Crestron New York City Design Showroom Fairfield NJ, Aug. 28, 2018 (GLOBE NEWSWIRE) -- The AV LinkPro™ is now on hand at the Crestron® Design Showroom in New York City.  The AV LinkPro is the only SIP PBX audio and video intercom...