ocol 190-191 - Inter-ORB Protocol 291 Media Access Control 234 - network 180-183, 227 message 29, 79-97 - service user 180 - application protocol 278 - Society 187 - discrimination 75, 95 - user-data termination 180 - discrimination parameter 168 Internet Protocol 45, 77, 84, 106 - handling 83, 89, 95, 101, 208, 243, 246, 255, - v4 187 277-278 - v6 187 - handling model 254 interrupt state 343, 344, 407-408 - protocol 85, 96 254 intranet 180 - relaying 310-311 INVITE 390 - specification 284-285, 296-300 Invite 390 - synchronism 393 invocation identifier 282, 285, 313-314 - termination 143 ISDN (see Integrated Services Digital - type 270 Network) - type identifier 264, 268, 270 - architecture 115 Message Sequence Chart 6, 34 - basic access 146 Message Transfer Part 148, 167 - primary access 162 Mobile - Protocol Reference Model 44 - Application Part 87, 266 - User Part 148 - Switching Center 85-86, 203, 235 isochronous service 125, 178, 231 - System 203, 230 Index mobility control 204, 208, 262 Operation and Maintenance 41, 111, 153 - system 203 - Center 211 model operator network 38, 75, 77, 107 - fragment 20-24, 31, 33, 81, 83-84, 99, ORDER 390 101, 103 originating point code 167 - management 18-37 origination SAPI 167 - management system 25 OSI (see Open Systems Interconnection) modem 150 - application layer protocol 278 modifier operation 392, 416-417 - management 210 Moore state machine 343 - presentation layer 290 multiple access connection 198 - Reference Model 5, 42, 44, 87, 103, 112-114, multiplexing 143, 153-154, 193 124, 136, 144, 168, 217-218, 241, 286, 312 overlay mode 31-32, 98, 101, 214 network - access interface 228 packet - application 74 - data channel 231 - application system 206, 217 - network 141 - interface 21, 74-101, 107, 222, 227 - switch 169 - management centre 211 - switched connection 115 - number 188, 191, 192 - switched service 137 - operator 38 - switching 42-43, 107, 109, 114, 125, 127, - process controller 43 137, 180 - termination 40-44 - transfer delay 141, 166, 173 - transaction 