Routine Maintenance Procedures
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5-34 Issue 4 May 2002
30 Busy verification
31 Executive override/intrusion tone
32 Incoming call identification
33 Dial zero
34 Attendant transfer
35 Test calls
36 Recall on don’t answer
37 Audible ring
38 Camp-on recall
39 Camp-on confirmation
40 Hold recall
41 Hold confirmation
42 Zip tone
43 2804 Hz
44 1004 Hz (-16db)
45 1004 Hz (0 db)
46 404 Hz
47 Transmission test sequence 105
48 Redirect tone
49 Voice signaling tone
50 Digital milliwatt
51 440 Hz + 480 Hz
52 Music
53 Transmission test sequence 100
54 Transmission test sequence 102
55 Laboratory test tone 1
56 Laboratory test tone 2
57 Disable echo supervision dial tone
58 7 seconds of answer tone
59 4 seconds of answer tone
Table 5-5. System Tone Identification Numbers — Continued
Number Description
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