Tech-
invite
3GPP
space
IETF
space
21
22
23
24
25
26
27
28
29
31
32
33
34
35
36
37
38
4‑5x
Content for
TS 22.495
Word version: 7.0.0
0…
2…
2
References
3
Definitions, symbols and abbreviations
4
Capabilities for the support of IP Multimedia Services
A
Basic communication cases for IMS networks
B
Guidance for terminal implementation
C
Bibliography
$
Change history
2
References
p. 7
3
Definitions, symbols and abbreviations
p. 8
3.1
Definitions
p. 8
3.2
Abbreviations
p. 8
4
Capabilities for the support of IP Multimedia Services
p. 9
4.1
Business models
p. 9
4.2
Service requirements
p. 10
4.2.1
General services requirements
p. 10
4.2.2.1
Handling of session establishment
p. 11
4.2.2.1.1
Presentation of session originator identity
p. 11
4.2.2.1.2
Negotiation of an incoming session
p. 11
4.2.2.1.3
Accepting or rejecting an incoming session
p. 11
4.2.2.2
Handling of an ongoing session
p. 11
4.2.2.2.1
User modification of media in an ongoing session
p. 11
42.2.2.2
Presentation of identity of session terminator
p. 11
4.2.2.3
Handling end of session
p. 11
4.2.2.4
Capability negotiation
p. 12
4.2.2.5
Redirecting of IP Multimedia sessions
p. 12
4.2.2.6
User busy
p. 12
4.2.2.6.1
User determined user busy
p. 12
4.2.2.6.2
Network determined user busy
p. 13
4.2.3
PSTN/ISDN Simulation Service
p. 13
4.2.4
IMS messaging
p. 13
4.2.5
Presence Service
p. 13
4.2.6
Location Service
p. 14
4.2.7
VideoTelephony Service
p. 14
4.3
Mobility
p. 14
4.4
Number, naming and addressing
p. 14
4.6
Regulatory service requirements
p. 15
4.6.1
Lawful Intercept
p. 15
4.6.2
Emergency service
p. 15
4.6.3
Identifying malicious communications
p. 15
4.6.4
Anonymous communications rejection
p. 15
4.9
Interworking
p. 15
4.9.1
Interworking with Legacy PSTN/ISDN
p. 15
4.9.1.1
Overlap Signalling
p. 16
4.9.2
Interworking with PSTN/ISDN Emulation
p. 16
4.9.3
Interworking with PLMN
p. 16
4.9.3.1
Interworking with IMS based PLMN
p. 16
4.9.3.2
Interworking with PLMN - CS Domain
p. 16
4.9.4
Interworking with Packet Cable network
p. 17
4.9.5
Interworking with other IMS network
p. 17
4.9.6
Interworking with other networks
p. 17
4.10
Quality of Service (QoS)
p. 17
4.11
Security Requirements
p. 17
4.11.1
General
p. 17
4.11.2
NGN Security
p. 17
4.11.3
Network Domain Security
p. 17
4.12
Charging and Accounting
p. 17
A
Basic communication cases for IMS networks
p. 18
B
Guidance for terminal implementation
p. 20
C
Bibliography
p. 21
$
Change history
p. 22