VoIP

FREQUENTIS acquires FRAFOS

FREQUENTIS strengthens cyber security competence with acquisition of German safety-critical VoIP expert, FRAFOS

Airspace World: Rohde & Schwarz equip North Macedonian ANSP with cutting-edge VoIP

Airspace World: Rohde & Schwarz equip North Macedonian ANSP with cutting-edge VoIP technology