Troubleshooting guide

Introduction 1-23
1. Introduction
Sounds
A phone makes different sounds to indicate what’s going on. Rings
occur on a line that is not in use, and indicate an incoming call. Tones
occur while a phone is in use and provide information about calls and
features.
Table 1–2. Rings
Sound Meaning
Single (repeated) Internal call
Double (repeated) External call
Triple (repeated)
Note: This ring cadence is
composed of 3 short rings.
Callback
Long (repeated)
Note: For release 6.4 and
above, this ring cadence is
made up of 2 short rings,
followed by 1 long ring
(repeated).
Intercom call or hunt
group call
Single beep Used in connection with
DSS extensions and inter-
com features.
Triple beep DSS call
Continuous
Note: on the Optiset E
Liberator phone, the con-
tinuous ring is approxi-
mately 1.5 sec on and .3
sec off.
Emergency call
Rollover (muted or in
bursts)
An incoming call is pend-
ing while the phone is
already in use.