Unlike calling your phone or using Apple's Find My iPhone service, neither a cellular nor Internet connection is required.

WSJ: Track Your Lost iPhone and Other Gear With These Gizmos

Like other telecommunications giants of DT's ilk, the onslaught of cellular and Internet-based telephony, along with cable operators offering triple-play packages of cable, broadband and phone services, has put a stranglehold on profits.

FORBES: Deutsche Telekom Dives On Profit Warning

It would draw a clearer battle line between traditional cellular networks and Internet companies.

FORBES: What Would Happen If America Got Free, 'Nationwide' WiFi? Google Wins, Carriers Lose