Comment Nokia / Siemens could provide an answer (Score 2, Informative) 541
Nokia Siemens Networks, the joint venture of Siemens AG and Nokia Corp, provided the deep packet inspection monitoring center within the Iranian government's telecom monopoly as part of a larger contract with Iran that included mobile-phone networking technology, according to the following article:
http://online.wsj.com/article/SB124562668777335653.html
http://online.wsj.com/article/SB124562668777335653.html