Based upon the current technological change in communications technology, the move away from traditional line switched telephony (analog, ISDN) to voice transmission via the data network (Voice over Internet Protocol), the ability of a system to cope with the future has become of central importance.

With a solution that encompasses a range of different technologies, you will always make the correct long-term selection. In this situation you can independently decide when you will give priority to which technology. A modern communications system should also possess an open system architecture in order to be able to maintain technological independence with regard to additionally available components and applications.

With VoIP, you call cost-free throughout the entire internal communications network. Even networking with the Aastra IntelliGate 20x5 system family functions without problems. The expansion of an existing Aastra IntelliGate Network (AIN) with an Aastra IntelliGate 150/300 can be done at any time. Connections to third-party systems are implemented via the QSIG or SIP interface.