System Features
Issue 4 May 2002
5-35555-233-123
Analog Tie Trunk Back-to-Back Testing
The TN760B circuit pack can be configured for back-to-back testing (also known
as connectivity testing) by making translation and cross-connect changes. This
testing configuration allows for the connection of Tie Trunks back-to-back in the
same switch to verify the operation of Tie Trunk ports. The tests can be performed
in either the E & M or simplex modes.
60 Restore music (or silence)
61 Warning tone
62 Forced music tone
63 Zip tone (first of 2 sent)
64 Incoming call ID (first of 2 sent)
65 Tone on hold
66 CO dial tone
67 Repetitive confirmation tone
68 Conference/bridging tone
Table 5-5. System Tone Identification Numbers — Continued
Number Description
Continued on next page
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