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Ericsson, Qualcomm, AT&T demo VoLTE over LTE-M
Mar 2, 2017 - ICT Monitor Worldwide

Ericsson, Qualcomm and US operator AT&T have announced at Mobile World Congress 2017 that they have completed the first VoLTE call for IoT on existing mobile network infrastructure.

The demonstration used a Qualcomm LTE modem designed to support LTE-M (otherwise known as Cat-M1), as well as an Ericsson LTE RAN, IMS, evolved packet core, user data management network infrastructure and software.

AT&T president of IoT solutions Chris Penrose said demonstrating that LTE-M supports voice

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