Rohde & Schwarz has reached a milestone in the introduction of voice over LTE telephony for the IP multimedia subsystem (IMS). The T&M specialist has verified the world's first test cases for IMS emergency calls over EPS/EUTRA in compliance with GCF Work Item 154. <br />
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Munich — All mobile phones and smartphones must be able to place emergency calls, both in their home network and in other networks – even without a SIM card. The correct signaling of an emergency call is ...This story is related to the following:Telecommunications Testers