 Telecommunications Consult- touch-tone pad, 6 ing, 295 Trading Turret, 287 TELECONNECT Magazine, traffic engineering, 29, 89 130, 230 traffic study, 52, 123 telephone closet, 262 transfer, 45 Telephone Device for the Deaf, 72 transformers, 243 Transmission Control Proto- telephone handset, 5 col/Internet Protocol, 237 Telephone Service Reps, 77 transmission medium., 235 telephone system, 24 transmitter, 15 Telephony Application Programmer's Interface, transponders, 243 163, 164 treed, 101 telephony user interface, 111 trunk, 207 Teletype, 236 trunk groups, 51 Ten digit toll restriction, 49 TSAPI, 164 Terminal Adapter, 231 TSRs, 76 Text-to-Speech, 112, 182 Tucker, Tracey, 130 The Call Center Handbook, TUI, 111 twisted pair and coax, 235 The Telecom Tutorials, two-way DID, 26 233, 246 TWX, 236 The Voice Mail Reference Manual & Buyers Guide, 97 Third Party Call Control, 146, UL, 247 Three Way Calling, 307 UL-969, 266 tie lines, 124, 212 Underwriters Laboratories, tie trunk, 214 time division, 34 Underwriters Laboratory 969, Time division multiplexing, Unified Communication, 167 tip and ring, 33, 226 Unified Messaging, toll bypass, 150 57, 111, 160 322 6 The Telecom Handbook INDEX uniform numbering plan, 214 VPN, 281 Uninterruptible Power Supply, VRU, 172 56, 255 Union of Telephone Workers, universal slots, 24 WAN, 108 Unshielded Twisted Pair, 247 WAP, 204 UPS, 56, 255 WATS lines, 50 user group, 22 Western Electric, 250, 301 USOC, 305 Wide Area Network, 108 USS-128, 266 Wide Area Telephone Service, USS-39, 266 UTP, 247 wink start trunks, 212 UTP Configurations, 248 wire based services, 281 UTW, 305 Wireless Application Proces- sor, 204 Work, 82 World Wide Web, 143 V&H, 119, 121 Wrap, 82 Value Added Resellers, 291 VARs, 291 vertical and horizontal, 119 virtual private network, 281 Xerox, 301 Voice and data capability, 239 XML, 165 voice announce, 43 voice forms, 88 Voice Mail, 95, 96 zero bit, 239 Voice Mail service bureaus, zip tone, 82 voice mailbox, 101 Voice Messaging, 87 Voice over IP, 143 Voice Processing, 95 v