On Wednesday, Tellme announced the application’s features and its shipping plan. Like rival voice services for smartphones, you click a hardware hotkey to initiate the program’s digital ears, and from there you can begin a search, call a number, or dictate a text message. This last feature will be new to Tellme’s Windows Mobile app.

Tellme’s application will offer more voice services than the straight voice search that Yahoo Mobile, Windows Live Mobile, and Google Mobile App are currently capable of, but after watching Tellme’s demo here at CNET, it appears that it won’t be as fully stocked as Vlingo when it’s released. Vlingo–a free voice service for BlackBerry and iPhone, but not yet Windows Mobile–adds greater dictation powers, including launching native applications, updating your status on Facebook and Twitter, and reading back e-mail messages.