@Western governments are widely believed to enjoy such access
Apparently, RIM is compliant with US laws that require US Govt to be able to intercept comms.
The article in the Economic Times is at
http://economictimes.indiatimes.com/Telecom/Open_code_or_shut_shop_DoT_tells_RIM/articleshow/3084129.cms
Read the last few lines on CALEA '94