Tellabs Oy, Espoo Tellabs delivers technology that transforms the way the world communicates. Tellabs experts design, develop, deploy and support our solutions for telecom service providers in more than 100 countries. Tellabs Oy has about 500 employees located in Espoo and Oulu. Tellabs has ISO 9001:2000 and ISO 14001 certificates. Further information MailScanner has detected a possible fraud attempt from "http://www.tellabs.fi." claiming to be http://www.tellabs.fi.