Apple's "Let's Talk iPhone" next week may indicate new speech-based features for the iPhone 5.

One of the anticipated iPhone 5's specs and features is its voice-control feature that will come with the new iOS 5. This could be the agenda at next Tuesday's media event.

Apple recently sent out invites to the press for an Oct. 4, presumably to introduce of a new iPhone handset.

The cryptic message, "Let's Talk iPhone," only adds to the hype.

Apple is known to cultivate mystery with its invitations. This year, their invite is composed of iOS-like icons. The first two icons mean the date and time of the event, which will be on Oct. 4, 10 a.m. The third icon shows the location, the Apple campus in Cupertino, Calif.

The fourth icon and the tag message "Let's Talk iPhone" are still unclear. The message may be a play on words that may mean the voice control of iPhone 5.

Others speculate that the singular use of iPhone and the number one on the icon may mean that Apple will be launching one handset and not two.

Earlier rumors had two handsets coming to market. This was fueled by former U.S. Vice President and Apple board member Al Gore's unofficial statement that "new iPhones" will be released next week.

The company remains tight-lipped on the agenda of the media event.

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