official response from nokia siemens:

http://www.nokiasiemensnetworks.com/global/Press/Press+relea...

"...The restricted functionality monitoring center provided by Nokia Siemens Networks in Iran cannot provide data monitoring, internet monitoring, deep packet inspection, international call monitoring or speech recognition. Therefore, contrary to speculation in the media, the technology supplied by Nokia Siemens Networks cannot be used for the monitoring or censorship of internet traffic."