Fixing Telephone Problems; Troubleshooting Telephone Problems - AT&T MERLIN LEGEND Release 3.1 Maintenance And Troubleshooting Manual

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
Intermittent telephone problems
Analog multiline telephone LEDs and/or
ringing tones do not work properly.
Time appears on display of an analog
multiline telephone, but incoming call
information does not appear.
Telephone does not receive tones from the
control unit.
Several single-line telephones cannot dial
directly, even though they are receiving
calls.
Users cannot make outside calls on single-
line, touch-tone telephones.
Users are getting other people's calls.
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.
3–2
Telephone Problems
Section
General Telephone and Wiring Problems
Analog Multiline Telephone Problems
Analog Multiline Telephone Problems
Voice Transmission Problems
Single-Line Telephone Problems
Single-Line Telephone Problems
Call Forwarding Problems