8
Voice over New Radio (VoNR)
The combination of Voice over Long-Term Evolution (VoLTE) and Voice over NR (VoNR) will be the long-term voice infrastructure for mobile service providers. In this chapter, we will discuss the main concepts behind future VoNR networks. Furthermore, VoNR will be analyzed from end to end with a focus on the architecture requirements, initial procedures, call establishment, and interworking.
VoNR has got some very close similarities to VoLTE. For example, both technologies require an IP Multimedia Subsystem (IMS) for call signaling, and both technologies employ their Radio Access Network (RAN), transport, and core networks to carry voice media in the form of IP packets.
We’ll go through the following topics in this ...
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