Computer system for processing of the requests to the 144 phone number. - Milen Lukanchevski; Hikolay Kostadinov; Hovanes Avakyan (CompSysTech, 2000)

Call route identification in telephone traffic monitoring systems. - Milen Lukanchevski; Hikolay Kostadinov; Hovanes Avakyan (CompSysTech, 2000)