I guess you didn't search or read any FAQs first. That error means you aren't paying for blackberry service, please read the FAQs for a better explanation.
The other stuff is some application installed on the phone trying to make connections.
"Emergency calls only" means usually that the SIM is not active. But in your case maybe the IMEI is blocked. Another possibility is the previous owner had the phone service disabled by a policy on a BES server.