https://www.tntware.com/tntconnect/help/faq_en/pages/how-can-i-auto-dial-my-iphone-from-tntconnect-for-mac.aspxMac OS X 10.10 (Yosemite) introduced a feature called Continuity. This feature allows you to pair your Mac and iPhone, and one of the features it allows is to auto-dial your iPhone to make cellular calls. You can read about this feature from Apple's websiteenCommunityServer 2008.5 SP2 (Debug Build: 40407.4157)