int, 96
INTEGRITY, 156
Integrity, 147??“148
Integrity key (IK), 152, 156, 157
INTEGRITY-PROTECTED=YES, 110
Intelligent Network (IN), 3??“9
call control in, 6, 119
conception of, 3
core call control functions of, 8
evolution/implementation of, 40
shortcomings of, 4, 27??“28
wireless implementation of, 7
wireline implementation of, 5
Internal error, 191
International Mobile Equipment
Identifier (IMEI), 82, 90
International Mobile Subscriber
Identify (IMSI), 99
International Mobile Subscriber
Identity (IMSI), 90??“91
Internet:
addressing for, 88
revenue generation on, 92
secure communications over,
106??“107
security on, 58
shortcomings of, 34??“35
voice communication via, 137
Internet Engineering Task Force
(IETF), 20, 29, 31, 97
Internet Service Providers (ISPs), 92
Interoperability, 10
importance of, 105??“106
as IMS driver, 2
TEL URIs as example of, 97
Inter-operator-identifier (IOI):
originating, 193
terminating, 196
Inter-operator-identifier (IOI) AVP,
188, 192
Interrogating Call Session Control
Function (I-CSCF), 13??“15, 154
as access point to home
network, 112
domain name to identify, 111
as gateway access to network,
11, 13
and network domain security,
158, 159
216 Index
in registration process, 111??“115,
117, 118
in session establishment, 128
Interworking, 107
with PSTN, 118??“129
with VoIP, 127
INVITE (SIP method), 62, 119??“120
in establishing sessions, 130??“135
in modifying sessions, 135
IOI (see Inter-operator-identifier)
IP address, 17
assignment of, 91??“95
dynamic, 92
P-CSCF role in saving, 13
and registration length, 14
registration of, 11
resolving URIs to, 97??“98, 100??“101
and roaming, 116
security of, 92
of served party, 195
static, 92
URI conversion to, 88
in VIA header, 152
IP Multimedia Services Identity
Module (ISIM), 111
IP Multimedia Subsystem (IMS):
business case for, 33??“34
concepts of, 1??“3
core network entities of, 10??“25
CSCF, 10??“22
deploying, 33??“39
IN/SS7 replacement with, 3??“10
interworking between IMS and,
54??“55
interworking between legacy
networks and, 35??“36
reference points of, 22??“25
IP networks, 91??“92
and IN/SS7, 4
migration of backbone networks
to, 28??“32
security threats to, 138??“142
IPsec, 48, 92, 146, 152, 154??“155
IPv4 addressing, 93
IPv6 addressing, 92??“94, 146
ISDN User Part (ISUP), 9, 31, 32,
41, 43
ISIM (IMS Subscriber Module), 144
ISIM (IP Multimedia Services
Identity Module), 111
ISPs (Internet Service Providers), 92
ISUP (see ISDN User Part)
Iub interfaces, 24
IuCS interface, 24
IuPS interface, 24
Iur interfaces, 24
K
Key agreement, 155??“157
Keywds (in media attribute line), 85
Keywords (in media attribute line), 85
L
Lang (in media attribute line), 85
Language, accept, 69??“70
Language tag (in media attribute
line), 85
Law enforcement, 149
LBS (see Location-based service)
LCS-information, 196
Legacy networks:
interworking between IMS and,
35??“36
transitioning from, 35
Link integrity, 31
Load sharing and failover, 163
Location-based service (LBS),
117, 145
Looping, 73??“74
Loose routing, 82, 130, 158
Loss of signal, 136
M
Man-in-the-middle attacks,
145, 147, 152
MAP (see Mobile Application Part)
Mass calling events, 146
Match (XMAC), 156
MAX-FORWARDS (SIP header),
67, 73??“74
Maximum packet time (in media
attribute line), 85
Maxptime (in media attribute line), 85
MCC (mobile city code), 99
MCC (mobile country code), 91
Media:
description of, 195
for IMS session, 195
name of, 195
title of, 84
Media attribute lines, 85??“86
Media description, 84??“85
Media gateway (MG), 30
in circuit-switched domains, 44??“45
in VoIP, 49, 50
Media gateway controller (MGC), 30,
32??“33, 107
Media gateway function control
(MGCF), 24, 25, 108??“109
access to IP/SIP domains through,
19, 20
and BGCF, 119??“120
in circuit-switched domains,
44??“48
in VoIP, 50??“51
Media name and transport
address, 84
Media negotiation, 132??“134
Media profile, 172
Media resource controller (MRC), 46
Media resource function (MRF),
21??“22, 45??“46
Media resource function controller
(MRFC), 21, 22, 195
Media resource function processor
(MRFP), 21, 22
Media resource processor (MRP), 46
Media stream identification (in
media attribute line), 85
Media type not available
(warning), 83
Mesh networks, 6, 40
MESSAGE (SIP method), 62, 68
Message body, 59, 60
disposition of, 191
length of, 191
tampering with, 140, 141, 148
type of, 191
Message Session Relay Protocol
(MSRP), 62
Message Too Large (SIP response), 68
Message Transfer Part (MTP), 43
Message Transport Part (MTP)
layer, 30, 31
Message types (see SIP methods)
Message waiting, 62
Method Not Allowed
(SIP response), 67
MG (see Media gateway)
Index 217
MGC (see Media gateway controller)
MGCF (see Media gateway
function control)
Mid (in media attribute line), 85
Mid-call information, 61??“62
Migration from legacy to all-IP
networks, 27??“55
of backbone, 28??“32
IMS deployment, 33??“39
IMS interface, 39??“55
and OSS/BSS systems, 36??“39
VoIP deployment as growth
strategy, 32??“33
.
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