This Arabic salutation, often followed by "aleikum", means "peace"
Here's the CBS News version, which guesses at the meaning of Mr. Mottaki's ... 
the Arabic phrase, "As-salama aleikum," a Muslim greeting often used by Iran's 
Farsi speakers meaning "Peace be upon you," .... as "As-salama aleikum", is a bit 
of Arabic that has been adopted for use by Muslims world-wide.