T

tags, troubleshooting with, 223

taxes

dial-around codes and, 128

reviewing on invoices, 94–95

TCSI (Transaction Code Status Indicators) codes, long-distance carrier order rejections and, 123–124

TDM (time division multiplexing)

understanding, 134–136

using private lines and, 297

VoIP and, 310

technical cut sheets

opening trouble tickets and, 267

preparing for dedicated circuit installation, 161–164

technician assistance trouble tickets

long-distance carriers opening, 338

testing problems with, 219

versus information-only, 273

technology, interchangeability of old with new, 23

telecom neighborhood, LATAs and, 44–45

telecom services. See also specific services

assessing existing, 10

evaluating needs for, 13–15

provided by local carriers, 11

reviewing installation fees for, 93

reviewing monthly recurring charges for, 92–93

telecom-centered businesses, evaluating toll-free service needs of, 74–79

telemarketing

pseudo ANI and, 66

using ISDN for, 142–143

telephones, dedicated service requirements, 57

10-10 codes. See dial-around codes

third-party verification (TPV), changing long-distance carriers and, 122

tiered rates

popularity of, 99

selecting, 99–100

versus flat, 98

time division multiplexing (TDM)

understanding, 134–136

using private lines and, 297

VoIP and, 310

Time-of-Day routing toll-free service, for small-to-midsize businesses, 73

toll-free numbers

activating, 70–71

carrier routing patterns for, 180

choosing a vanity, 166, 167–168

decommissioning, 71–72

dedicated versus switched, 165

evaluating business needs for, 72–73

evaluating large business needs for, 79–81

evaluating need for, 14

evaluating small-to-midsize business

needs for, 73–74

evaluating telecom-centered business needs for, 74–79

handling rejection of migration request, 173–175

installing dedicated circuit for, 201–205

migrating, 169–171

migrating by NASCing, 175–178

negotiating hot cut without RespOrg, 191–192

ordering dedicated, 179–183

ordering switched, 178–179

overview, 65

preparing for installation of dedicated circuit for, 198–200

problems dialing someone else’s, 215

recommended participants of dedicated circuit installation, 194–196

requesting random, 166

requesting vanity, 166–168

on reserved status, 69

resolving activation issues on migrated, 186

resolving activation without hot cut, 187–189

resolving cancellation before activation problem, 189–191

RespOrg role and, 67

scheduling migration of, 171–173

testing on new dedicated circuit, 204–205

troubleshooting calls from Canada, Alaska, and Hawaii, 253–256

troubleshooting problems with switched, 215–216

troubleshooting switched, 245–253

understanding, 66

using hot cut to activate dedicated, 183–185

wrong numbers and, 68–69

T-1 circuit

identifying problems with, 260

overview, 56

T-1 jack, looping to, 281–283

T-1 test set, using, 278–279

tones, troubleshooting with, 222

TPV (third-party verification), changing long-distance carriers and, 122

tracking, billing disputes, 109–110

Transaction Code Status Indicators (TCSI) codes, long-distance carrier order rejections and, 123–124

translation, understanding, 222

trick codes. See dial-around codes

trouble reporting center (local carrier), troubleshooting assistance from, 22

trouble reporting numbers, on technical cut sheet, 161, 162

trouble tickets

managing for dedicated circuits, 271–272

managing for switched phone systems, 229–230

opening for dedicated circuits, 267–271

opening information-only, 271

testing problems with technician assistance, 219

troubleshooting. See also carrier troubleshooting departments

assistance for, 22

avoiding blame during, 331–332

background work before, 234–235

call quality issues on dedicated circuits, 263–265

call type diagrams for, 218–219

checking for misdialed numbers, 236

comparing switched calls the dedicated circuit calls, 216–218

confirming/denying hardware problems, 284–285

CPE and, 29

dedicated toll-free numbers, 287

dedicated toll-free quality problems, 292

dialing from different local carrier, 243–245

first rule of, 269

forcing call over long-distance carrier, 238–240

forcing call over with different long-distance carrier, 241–243

head-to-head dedicated toll-free testing, 291

identifying call treatments, 222–227

identifying levels of potential problems with dedicated circuits, 260–263

identifying provisioning problems with dedicated toll-free numbers, 287–288

installation continuity issues, 206–207

international calls, 231

international fax problems, 231–232

international toll-free calls, 257–258

intrusively testing dedicated circuits, 274–279

with long-distance carriers, 337–338

looping CFA point, 283–284

looping NIU, 279–281

looping to T-1 jack, 281–283

narrowing down carrier level problems, 219–220

with no phone system, 26

overview, 212, 235

problems dialing someone else’s toll-free number, 215

providing call examples for, 227–228

by rebooting dedicated hardware, 272–274

recommended etiquette for, 212

redialing dedicated toll-free numbers, 288–289

switched inbound long-distance calls, 214

switched local calls, 214–215

switched outbound long-distance calls, 213

switched toll-free number problems, 215–216

switched toll-free numbers, 245–253

toll-free calls from Canada, Alaska, and Hawaii, 253–256

validating dedicated RespOrg, 289–290

validating DNIS configuration, 290–291

validating long-distance carriers, 237–238

value of starting over, 341

VoIP with Ethereal software, 312

trunk group configuration, on technical cut sheet, 162

trunk groups

dedicated circuits and, 139–140

named on FOC document, 151

named on technical cut sheet, 161

T.38 codec, compressing fax calls on, 316

type 1 circuits, understanding, 149

type 2 circuits, understanding, 149