Story highlights Manning is serving a 35-year sentence for leaking thousands of classified documents

She says she will be using a voice phone to dictate her tweets

(CNN) Imprisoned soldier Chelsea Manning can now communicate with the world -- in 140 characters or less.

Manning, who is serving a 35-year prison sentence for leaking thousands of classified documents, appears to have joined Twitter this week.

In a series of tweets, the prisoner formerly known as Bradley Manning said she will be using a voice phone to dictate her tweets to communications firm Fitzgibbon Media, which will post them on her behalf.

She is not allowed Internet access in prison, according to The Guardian.

"It will be hard, but I don't want this Twitter feed to be a one-way street/conversation," Manning posted to her nearly 26,000-plus followers.

I'm hoping to stay connected w/ this account as much as poss., but would rather tweet about more meaningful things than not #lessismore — Chelsea Manning (@xychelsea) April 3, 2015

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