IMS server integration enables end to end VoLTE tests
Rohde & Schwarz has used Mobile World Congress in Barcelona to introduce an IP multimedia subsystem (IMS) server upgrade for the R&S CMW500 wideband radio communication tester. IMS is used in LTE networks to provide voice services such as voice over LTE (VoLTE). Network operators and manufacturers of chipsets and wireless devices benefit from a fully integrated, user-friendly test environment for verifying the IMS and VoLTE functionality of mobile devices.
The R&S CMW500 with IMS server supports end-to-end voice and video calls and can test the interaction between two mobile devices. The solution's virtual subscriber concept provides extra flexibility in creating user-defined tests. Users can configure and save virtual subscribers with varying usage profiles.
All of the new IMS server's functionalities can be fully automated. Together with the CMW500 IP analysis function, it is possible to analyse transmitted data and media information for VoLTE, such as whether a mobile phone uses the correct Codec.
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