AT&T Mobile Revenue Grows: It Has To

AT&T wireless data revenues, driven by messaging, Internet access, access to applications and related services, increased nearly $1 billion, or 23.9 percent, in the first quarter of 2011.

AT&T had its "best-ever first-quarter increase in total wireless subscribers," up two million to reach 97.5 million subscribers in service, with gains in every category, AT&T says.

AT&T also reported best-ever first-quarter smartphone sales of more than 5.5 million.

Those sorts of results ultimately will be important for many global mobile operators, given the gradual decline of voice revenues, and the importance of the voice revenue stream to total revenues, as this Yankee Group graphic indicates.

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