Tone Commander 6220-TSG-DD Installation Instructions
Page 36
13-280121 Rev. C
•
Verify that your service provider has not changed SPID formats or area codes on your ISDN line.
(National ISDN SPID formats include the area code.)
•
When Layer 3 is fully initialized, the display will temporarily show L3:OK and indicate the network
switch type before returning to the normal idle display.
Verify operation of the phone after full initialization:
1. Go off-hook on an idle line. The selected key should light green and you should hear dial tone.
2. Dial a valid directory number for a test call. Verify that the call is successfully completed.
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
Vol
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
→
More
→
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
→
More
→
PREF
> RING
“SELECT AN IDLE
LINE” is displayed when
going off-hook.
Originating DN and
Call Appearance
Reservation settings.
See page 20.