prMac serves to enhance the visibility of press releases in the Mac world, offering Mac-centric news media distribution services as well as top-notch RSS feeds. © 2012 prMac http://prmac.com/ en-us http://prmac.com/release-id-16000.htm http://prmac.com/release-id-16000.htm Sun, 05 Sep 2010 10:40:00 CST Tokyo based Sunrise Telephone Systems KK today announced the 2010 edition of its A4M Macintosh Telephone System based on a Mac OS X port of the Asterisk Linux PBX software. The A4M software suite turns a Macintosh computer running Mac OS X 10.5 and 10.6 into a feature rich private branch exchange telephone system and Voice over IP server. An optional ISDN adapter provides connectivity to ISDN telephone lines. International versions will become available in early 2011.