Telephone configuration troubleshooting – Teo 8810 ISDN Phone Installation User Manual

Page 46

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Tone Commander 8810 Installation Instructions

Page 46

13-280118 Rev. C

Telephone Configuration Troubleshooting

Symptom

Check

Fix

Inbound calls to a
specific line cause the
LED to flash, but there is
no audible ringing.

“RINGER OFF
(VOL^ = ON)” is
displayed when idle.

Press the Volume
Up key while not
on a call to enable
the ringer.

SETUP

→ USER

RING → CONTROL
> Select line key

> ALWAYS

A specific line is
selected that is
supposed to have dial
tone, but there isn’t any.

SETUP

→ INSTL

KEYS

> Select line key

> CA/DN

All inbound calls appear
on CA1. Outbound calls
cannot be made.

SETUP

→ INSTL

→ MODE

Select CACH,
BASIC, or
MERID1 as
required by
service
provisioning.

Ringing calls are not
answered when going
off-hook
(National ISDN only)

.

SETUP

→ USER

→ PREF

> RING

Using a specific
headset, the voice level
to other parties is not
loud enough.

SETUP

→ USER

→ VOICE

HEAD → VOLUME

> XMT+ as many
times as required

“SELECT AN IDLE
LINE” is displayed when
going off-hook or
pressing the speaker
key.

Originating DN and
Call Appearance
Reservation settings.

See page 22.

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