IMS Application Developer's Handbook

I

I-call-you models

6

I-CSCF (interrogating CSCF)

63 , 159–61 , 226–328 , 358–62 , 376

see also HSS ; SLF

concepts

226–34 , 236 , 237–42 , 245–9 , 251 , 358–62

definition

233 , 236 , 238–9 , 279

I2 reference point

437–47

I3 reference point

443–7

IAD

8

iAds, Apple

352 , 354–5

IAM (initial address message)

367–78 , 380–400

IANA (Internet Assigned Numbers Authority)

481

see also IETF

IARI (IMS Application Reference Identifier)

16–17 , 18–20

IBCF (interconnect border control function)

226–328

see also N-SBG

concepts

238 , 242–9 , 253–69 , 270–85 , 306–12 , 313

definition

242

IBM

31 , 32 , 35 , 39 , 43

ICMP error message

262

icons

50–8

ICS (IMS Centralized Services)

225 , 431–47

see also MMTel

definition

431–2 , 441–3