gov, 97
Government Emergency Telephone
System (GETS), 135
GPRS (see General Packet
Radio Service)
GPRS interfaces, 24
GPRS-charging-ID AVP, 188, 192, 193
Granted-service-units AVP, 196
Green-field networks, 35
Group (in media attribute line), 85
Grouped AVPs, 185
GSM architecture, 6, 25
GSM networks, 48
addressing in, 90??“91
Index 215
GSM networks (Continued)
security of, 142, 143
SIP use in, 5
GSM radio function, 23
GSM radio reference points, 22, 24
GSM wireless evolution, 22, 24, 30
GTT (Global Title Translation), 6
H
Hackers, 138
Handset cloning, 151
Handsets, 9
Handshake procedure, 64
Headers, SIP (see SIP headers)
Hiding addresses, 47
Hijacking, 139, 154
HLR (see Home Location Register)
Holding time, 194
Home Location Register (HLR), 4, 7
Home networks, 7
identification of, 11
and resolving addresses, 99
Home Subscriber Server (HSS),
98, 110
access to, 18
cipher/authentication keys stored
in, 112
and network domain security, 158
in registration process, 11
S-CSCF assignment stored in, 14
as subscriber data source, 17??“18
user profile store in, 171, 172
Hop counter, 126
Hops, number of, 14??“15
HSS (see Home Subscriber Server)
HTTP (Hypertext Transport
Protocol), 57
Hypertext Transport Protocol
(HTTP), 57
I
IAM (see Initial Address Message)
ICID (see IMS Charging Identifier)
ICON, 71
I-CSCF (see Interrogating Call
Session Control Function)
Identity(-ies):
device-embedded, 96
multiple, 89
and privacy, 77??“78
IETF (see Internet Engineering
Task Force)
IK (see Integrity key)
IMEI (see International Mobile
Equipment Identifier)
Impersonation, server, 140
IMS (see IP Multimedia Subsystem)
IMs (instant messages), 62
IMS Charging Identifier (ICID), 12,
118, 120, 131, 200
IMS deployment, 33??“39
business case for, 33??“35
interworking between legacy
network and IMS, 35??“36
migrating OSS/BSS, 36??“39
IMS interface, 39??“55
CS domains, 40??“48
GPRS, 51??“52
from IMS to IMS, 54??“55
problems with, 39??“40
PS domains, 48
UMTS and CDMA domains, 52??“54
VoIP domain, 48??“51
IMS reference points, 22??“25
IMS Subscriber Module (ISIM), 144
IMS-charging-identifier (ICID) AVP,
188, 192
IMSI (see International Mobile
Subscriber Identity)
IMS-information, 196
IN (see Intelligent Network)
Incoming-trunk-group-ID, 197
Incoming-trunk-group-ID AVP,
188, 192
Incompatible bandwidth units
(warning), 83
Incompatible media format
(warning), 83
Incompatible network address
formats (warning), 83
Incompatible network protocol
(warning), 83
Incompatible transport protocol
(warning), 83
Indexing function, 17
INFO (SIP method), 61??“62, 122
Infrastructure, common, 106
Initial Address Message (IAM), 120
IN-REPLY-TO (SIP header), 73
Instant messages (IMs), 62
Insufficient bandwidth (warning), 83
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