Our review unit is an unlocked T28z which enjoyed a happy life on VoiceStream and eventually T-Mobile.

ENGADGET: Ericsson T28z review Mobile

Because of the German government's stake in Telekom, the company faced criticism from American competitors when it acquired VoiceStream last year.

ECONOMIST: Sommer gets the boot | The

VoiceStream will offer messaging services under the AIM brand, while in Hong Kong it is ICQ which will be to the fore.

CNN: AOL brings instant messenger to mobile phones

Telekom's bottom line collapsed, and the company recorded a whopping euro3.5 billion loss last year thanks largely to the acquisition of VoiceStream.

ECONOMIST: Sommer gets the boot | The

Moreover, analysts assert that, with just a fifth of the 30m subscribers that market-leading Verizon boasts, VoiceStream lacks the necessary scale in the American market.

ECONOMIST: Sommer gets the boot | The

He spent euro33 billion acquiring VoiceStream, the sixth-largest of America's big cell-phone operators, and a further euro8 billion on 3G (third generation) mobile-phone licences from European governments.

ECONOMIST: Sommer gets the boot | The

The possibility that harm to American security interests could arise from the Hutchison purchase of a large stake in Voicestream Wireless and Omnipoint makes this transaction a candidate for a CFIUS review, even though it is nominally a U.S. entity.

CENTERFORSECURITYPOLICY: Center For Security Policy

So far, AOL has struck deals to deliver instant messaging via SMS with two network operators, VoiceStream Wireless in the United States and Hutchison Telecommunications in Hong Kong, according to Jon Eric Bylin, senior product manager at America Online's AOL Mobile division.

CNN: AOL brings instant messenger to mobile phones