Tech-
invite
3GPP
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IETF
space
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Content for
TR 32.848
Word version: 15.0.0
1…
2…
2
References
3
Definitions and abbreviations
4
Description and assumptions
5
Potential requirements
6
Key issues
7
Solutions for Key issues
8
Solutions evaluation
9
Conclusions and recommendations
$
Change History
2
References
p. 5
3
Definitions and abbreviations
p. 6
3.1
Definitions
p. 6
3.2
Abbreviations
p. 7
4
Description and assumptions
p. 7
4.1
Architecture considerations
p. 7
4.1.1
General
p. 7
4.1.2
Offline charging architecture
p. 7
4.1.3
Online charging architecture
p. 7
5
Potential requirements
p. 8
6
Key issues
p. 8
6.1
Key issue 1: Support of the identifiers of caller and callee
p. 8
6.2
Key issue 2: Support of the CAT
p. 9
6.3
Key issue 3: Support volume reporting in P-CSCF
p. 9
6.4
Key issue 4: Support status of VoLTE service delivery
p. 9
6.5
Key issue 5: Support of the 3PTY conference
p. 9
6.6
Key issue 6: Support of the Communication HOLD (HOLD)
p. 9
6.7
Key issue 7: Support of the 3P Communication Waiting (CW)
p. 10
7
Solutions for Key issues
p. 10
7.1
Solution 1: Support of the identifiers of caller and callee
p. 10
7.2
Solution 2: Support of CAT
p. 11
7.2.1
General
p. 11
7.2.2
Offline charging support of CAT
p. 11
7.2.3
Online charging support of CAT
p. 13
7.3
Solution 3: Volume Reporting from P-CSCF
p. 14
7.4
Solution 4: Support status of VoLTE service delivery
p. 14
7.5
Solution 5: Support of 3PTY conference, HOLD and CW
p. 14
7.5.1
General
p. 14
7.5.2
Offline charging support of 3PTY
p. 14
7.5.3
Online charging support of 3PTY
p. 16
8
Solutions evaluation
p. 17
9
Conclusions and recommendations
p. 18
$
Change History
p. 19