IMS Application Developer's Handbook

B

B-number analysis

287 , 364–5

B2buaHelper

77–80

B2BUAs (back-to-back user agents)

75–80 , 86–93 , 158 , 160–1 , 166–83 , 242–9 , 274–85 , 294–5 , 298 , 300–3 , 318–20 , 327–8 , 393 , 438–47

see also proxies

definition

158 , 160 , 302–3

back-end systems, legacy SCP

395–400

backward media

206–9 , 369–71 , 374–6

basic call state machine

290

basic CS network services

390–2

Basic Encoding Rule

162

basic telephony services

294

batteries

8

Bayeux

335

BCSM (basic call state machine)

390–2

bearer independent call control

121 , 125

bearers

16–22 , 408–30

BER (Basic Encoding Rule)

162–83

BG (border gateway)

10–13 , 138–43 , 226–328 , 358–62

BGCF (Breakout Gateway Control Function)

226–328 , 358–62 , 371–2 , 380–400

egress routing ...