Rohde & Schwarz presented enhanced voice services (EVS) codec support with SWB bandwidths for high-quality VoLTE calls at the GSMA Mobile World Congress 2016 in Barcelona. The R&S®CMW500 RF communications tester provides an easy-to-configure, fully integrated IMS server infrastructure with reliable test conditions and now supports EVS-based voice over IMS calls in combination with various mobile technologies, such as LTE or voice over WLAN (VoWLAN) scenarios.

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