Tech-
invite
3GPP
space
IETF
RFCs
SIP
Quick
21
22
23
24
25
26
27
28
29
31
32
33
34
35
36
37
38
4‑5x
TS 24.206
Voice Call Continuity between Circuit Switched (CS) and IP Multimedia Subsystem
3GPP‑Page
ETSI‑search
ToC
↓
V7.5.0 (PDF)
2008/06 122 p.
Rapporteur:
Mr. Drage, Keith
full Table of Contents for
TS 24.206
Word version: 7.5.0
1
Scope
Word‑p. 6
2
References
Word‑p. 6
3
Definitions, symbols and abbreviations
Word‑p. 7
3.1
Definitions
Word‑p. 7
3.2
Abbreviations
Word‑p. 7
4
Overview of voice call continuity between the Circuit-Switched (CS) domain and the IP Multimedia (IM) Core Network (CN) subsystem
Word‑p. 8
4.1
General
Word‑p. 8
4.2
Underlying network capabilities
Word‑p. 9
4.3
URI and address assignments
Word‑p. 9
5
Functional entities
Word‑p. 10
5.1
Introduction
Word‑p. 10
5.2
User Equipment (UE)
Word‑p. 10
5.3
Media Resource Function Controller (MRFC)
Word‑p. 10
5.4
Application Server (AS)
Word‑p. 10
5.5
Media Gateway Control Function (MGCF)
Word‑p. 10
6
Roles for registration in the IM CN subsystem
Word‑p. 10
6.1
Introduction
Word‑p. 10
6.2
VCC UE
Word‑p. 11
6.3
VCC application
Word‑p. 11
7
Roles for call origination
Word‑p. 11
7.1
Introduction
Word‑p. 11
7.2
VCC UE
Word‑p. 11
7.3
VMSC
Word‑p. 12
7.4
VCC application
Word‑p. 12
7.4.1
Distinction of requests sent to the VCC application
Word‑p. 12
7.4.2
Call origination in the IM CN subsystem
Word‑p. 12
7.4.3
Call origination in the CS domain - procedures towards the gsmSCF
Word‑p. 13
7.4.4
Call origination in the CS domain - procedures towards IM CN subsystem
Word‑p. 14
8
Roles for call termination
Word‑p. 15
8.1
Introduction
Word‑p. 15
8.2
VCC UE
Word‑p. 15
8.3
GMSC
Word‑p. 15
8.4
VCC application
Word‑p. 15
8.4.1
Distinction of requests sent to the VCC application
Word‑p. 15
8.4.2
Call termination in the IM CN subsystem
Word‑p. 16
8.4.3
Call termination in the CS domain - procedures towards the gsmSCF
Word‑p. 16
8.4.4
Call termination in the CS domain - procedures towards IM CN subsystem
Word‑p. 17
9
Roles for domain transfer of a call from the CS domain to the IM CN subsystem
Word‑p. 18
9.1
Introduction
Word‑p. 18
9.2
VCC UE
Word‑p. 18
9.3
VCC application
Word‑p. 19
9.3.1
Distinction of requests sent to the VCC application
Word‑p. 19
9.3.2
Domain transfer in the IM CN subsystem
Word‑p. 19
9.4
MGCF
Word‑p. 20
10
Roles for domain transfer of a call from the IM CN subsystem to the CS domain
Word‑p. 20
10.1
Introduction
Word‑p. 20
10.2
VCC UE
Word‑p. 20
10.3
VMSC
Word‑p. 21
10.4
VCC application
Word‑p. 21
10.4.1
Distinction of requests sent to the VCC application
Word‑p. 21
10.4.2
Domain transfer procedures towards the gsmSCF
Word‑p. 21
10.4.3
Domain transfer in the IM CN subsystem
Word‑p. 22
A
Example signalling flows of voice call continuity between the Circuit-Switched (CS) domain and the IP Multimedia (IM) Core Network (CN) subsystem
Word‑p. 23
A.1
Scope of signalling flows
Word‑p. 23
A.2
Introduction
Word‑p. 23
A.2.1
General
Word‑p. 23
A.2.2
Key required to interpret signalling flows
Word‑p. 23
A.3
Signalling flows for registration and exchange of mobility status information
Word‑p. 24
A.4
Signalling flows for call origination
Word‑p. 24
A.4.1
Introduction
Word‑p. 24
A.4.2
Signalling flows for origination from the IM CN subsystem
Word‑p. 25
A.4.3
Signalling flows for origination from CS domain
Word‑p. 30
A.4.4
Signalling flows for origination from CS domain, using ISUP call diversion mechanisms
Word‑p. 38
A.4.5
Signalling flows for origination from CS domain with no anchoring
Word‑p. 46
A.4.6
Signalling flows for origination from CS domain for a user that is not registered within the IM CN subsystem
Word‑p. 47
A.5
Signalling flows for call termination
Word‑p. 52
A.5.1
Introduction
Word‑p. 52
A.5.2
Signalling flows for termination to the IM CN subsystem
Word‑p. 52
A.5.3
Signalling flows for termination to CS domain
Word‑p. 58
A.5.4
Signalling flows for termination directed to IM CN subsystem (coming from the CS domain) (using CAMEL)
Word‑p. 63
A.5.5
Signalling flow for termination directed to CS domain (coming from the CS domain)
Word‑p. 70
A.5.6
Signalling flows with call termination delivery attempt failure to the IM CN subsystem
Word‑p. 80
A.5.7
Signalling flow for termination directed to CS domain, unsuccessful delivery, redirect to IM CN Subsystem
Word‑p. 82
A.5.8
Signalling flows for termination from CS domain with no anchoring (using CAMEL)
Word‑p. 95
A.6
Signalling flows for CS domain to IM CN subsystem transfer
Word‑p. 96
A.6.1
Introduction
Word‑p. 96
A.6.2
Signalling flows for CS domain to IM CN subsystem transfer
Word‑p. 97
A.6.3
Signalling flows for unsuccessful CS domain to IM CN subsystem transfer
Word‑p. 104
A.7
Signalling flows for IM CN subsystem to CS domain transfer
Word‑p. 105
A.7.1
Introduction
Word‑p. 105
A.7.2
Signalling flows for IM CN subsystem to CS domain transfer
Word‑p. 106
A.7.3
Signalling flows for unsuccessful IM CN subsystem to CS domain transfer
Word‑p. 113
A.7.4
Signalling flows with domain transfer rejection at VMSC (using CAMEL)
Word‑p. 115
B
Example of filter criteria
Word‑p. 118
B.1
Introduction
Word‑p. 118
B.2
Example 1 - Service profile for UE originating for a VCC subscriber
Word‑p. 118
B.3
Example 2 - Service profile for UE terminating for a VCC subscriber
Word‑p. 119
$
Change history
Word‑p. 121