Nortel TFC002, Manual

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Engineering information Page 45 of 64
Centralized Attendant Service Description and engineering
Table 25
CAS attendant requirements
Average speed of answer
≤
8.00 seconds
CAS
attendants
needed
Attendant work time (AWT) in seconds
1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–50 51–55 56–60
Attendant traffic (Ta) in CCS
1 22 15 12 10 8 7 6 5 5 4 4 4
2 55 47 42 38 35 33 31 29 27 26 25 24
3 89 81 75 70 66 62 60 57 55 54 52 51
4 123 114 107 102 98 94 91 88 86 84 82 80
5 157 148 140 135 130 126 122 119 117 114 112 110
6 191 181 174 167 162 158 154 151 148 145 143 141
7 225 215 207 201 195 190 186 183 180 177 174 172
8 259 249 241 234 228 223 219 215 212 209 206 203
9 294 283 274 267 261 256 252 248 244 241 238 235
10 328 317 308 301 295 289 284 280 276 273 270 267
11 362 351 342 334 328 322 317 313 309 306 302 299
12 396 385 376 368 361 356 351 346 342 338 335 332
13 430 419 410 402 395 389 384 379 375 371 367 364
14 463 453 443 435 429 423 417 412 408 404 400 397
15 496 487 477 469 462 456 451 446 441 437 433 430