stem 5, 11-15, 28, 35, 37-38, 40-42, 143 universal message format 314 Telecommunication Management uplink 231, 303 Network 210-211 REPORT 390 Telephony User Part 161 used primitive service 374 teleservice 38, 109, 111, 116, 118, 208 user 90, 127 - access protocol 106, 110, 147 - data 136, 268 - controller 40, 106, 115 - data termination 41,44,106, 120, 138, 193 - distribution protocol 110, 148 - plane 115, 194 - protocol 107 User Datagram Protocol 127 - resource 40, 147 user-defined property 397 - user 40-42, 108-109, 115 user-provider 366 terminal - process controller 41, 43-44, 199 variable time delay 178-179, 198 - system 38, 137 variant 229 time constraint 396 vertical integration 206-207, 242 Time Division Multiple Access 231 view 97, 101 time-slot 152, 231 virtual channel 122, 171, 176 timing 282 - identifier 139 TMN (see Telecommunication Management virtual circuit 115, 122, 172 Network) - connection 180 - agent 211 - identifier 122, 167, 171, 173 - manager 211 - number 167, 169 topological view 104, 108 - switch 139 traffic - parameter 162 virtual object 367 - system 210-211, 214, 217 virtual path 171 transaction 338, 381 - connection 172, 174 - handler 308 - identifier 167, 171, 173 - specification 308, 415-416 - switching 174-175 Transaction Capabilities Application Part 86, visualization mode 97 voice over IP 140 transfer mode 125 transfer syntax 288 Wide Area Network 167, 180, 182 transformer operation 393 WideBand CDMA 206 transition 341, 345, 400 X.25 167 transmission - architecture 139 - link 147, 149 - discrimination 168 - network 151 - layer 3 protocol 106 - plane 241 - link 169 - protocol 150 - network 167 - user 150 - network interface 168 transport - packet 168 - link 152 - route 169-170 - network 38, 153, 196, 236 - router 167 - service user 152 - standard 168 Tree and Tabular Combined Notation 6 - stratum 169 typed operation specification 283-284 type reference 385 two-party connection 198 UML Real-Time 6 NETWORKS AND TELECOMMUNICATIONS SERIES NG-RAN and 5G-NR 5G Radio Access Network and Rad