AT&T 3.0 manual Fixing Telephone Problems, General Telephone and Wiring Problems

Fixing Telephone Problems

If you change the jack assignment of any telephone, be sure to record the extension jack change on Form 2a, System Numbering: Extension Jacks. See Appendix B, “System Numbering Forms,” for details.

Fixing Telephone Problems

If a reported telephone problem matches any symptom described in Table 3–1, refer to the proper section of this chapter.

Table 3–1. Troubleshooting Telephone Problems

Symptom	Section
Intermittent telephone problems	General Telephone and Wiring Problems
Analog multiline telephone LEDs and/or	Analog Multiline Telephone Problems
ringing tones do not work properly.
Time appears on display of an analog	Analog Multiline Telephone Problems
multiline telephone, but incoming call
information does not appear.
Telephone does not receive tones from the	Voice Transmission Problems
control unit.
Several single-line telephones cannot dial	Single-Line Telephone Problems
directly, even though they are receiving
calls.
Users cannot make outside calls on single-	Single-Line Telephone Problems
line, touch-tone telephones.
Users are getting other people’s calls.	Call Forwarding Problems

General Telephone and Wiring Problems

If intermittent telephone trouble occurs, use the following steps as a guideline to check for general telephone and wiring troubles.

3–2Telephone Problems