About ISDN phones, analogue systems. 31 Home-ISDN Possibilities, frequently asked questions. 14 LH Data Communications Systems Telecommunications systems, ISDN-equipment, communications networks. Callback International long distance calls. 14 Pirser Telecom Ltd. Representative of H. Vesala Oy.
Telecommunication Networks Build Up.
Official Representative of Lucent Technologies. 15 Priimus-Projekt Ltd. Projection. Electrical, lighting and telecommunication projects. Inc. Hankewitzi Agentuur. International long distance calls.