The Voice over New Radio (VoNR) in 5G is similar to VoLTE in 4G.
In VonR, UE can have both voice & data services on 5G network.
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ππ¨ π°π π‘ππ―π π ππ₯π₯ππππ€ ππ«π¨π¦ ππ ππ¨ ππ ?
- Yes, we can redirect call from 5G to 4G and itβs called πππ π ππ₯π₯ππππ€.
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ππ¨ π°π π‘ππ―π πππππ π’π§ ππ, π’ π¦πππ§ πππ§ π°π ππ πππ₯π₯ ππ«π¨π¦ ππ ππ¨ ππ ?
- No, as per Rel-15, there is no support for voice call continuity between 5G and 3G Circuit Switched (CS)
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ππ¨ π°π π‘ππ―π ππ¨π―ππ«ππ π-πππ¬ππ πππ§ππ¨π―ππ« ππ«π¨π¦ ππ ππ¨ ππ ?
- Yes, When the UE moves out of ππ coverage, inter-RAT handover is initiated, and VoLTE is provided in the LTE coverage area instead, but we must enable N26 interface between 5G-AMF & 4G-MME
ππ¨ππ: Without N26 interface Voice call handover is not possible between 5G to 4G due to Voice interruption time.
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