A.7 MO Release of Voice or Video Call / 5GS

34.229-53GPPInternet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP)Part 5: Protocol conformance specification using 5G System (5GS)Release 16TSUser Equipment (UE) conformance specification

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

Expected sequence

Step	Direction		Message/Procedure	Comment
	UE	SS
1	🡪		BYE	The UE releases the call with BYE
2	🡨		200 OK	The SS sends 200 OK for BYE

Specific message contents

BYE (Step 1)

Use the default message "BYE" in Annex A.2.8 of TS 34.229-1 [2] with conditions A1 and A8.

200 OK (Step 2)

Use the default message "200 OK for other requests than REGISTER or SUBSCRIBE" in annex A.3.1 of TS 34.229-1 [2] with condition A10.