Hardware and Endpoints
INTER-TEL® CS-5200/5400 ADMINISTRATOR GUIDE, ISSUE 1.1 August 2005

IP Phone Flashing Light Indicators Page 87

Voice mail displays: In SIP mode, voice mail displays are not supported, however, the user

will still receive audio prompts.

IP Phone Flashing Light Indicators

The phone Call buttons, trunk buttons, Speed Dial buttons, Hunt Group buttons, and some of

the feature buttons contain light-emitting diodes (LED). LED flash rates indicate the status of

the endpoints, trunks, and features.

For phones operating in ITP or SIP mode, the following table summarizes the meanings of the

LED flash rates in interruptions per minute (IPM).

Show Version
Diagnostics–
Show Version
9928
[9128 in
Europe]
Displays the version
and date of the call
processing software.
Displays the firmware
version on the phone.

Table 12: Feature Codes with Different Meanings for ITP and SIP Modes

FEATURE NAME FEATURE
CODE ITP MODE SIP MODE

Table 13. Flashing Light Indicators for IP and Multi-Protocol Phones

BUTTON STEADY
0 IPM SLOW
30 IPM MEDIUM
120 IPM FAS T
240 IPM FLUTTER
60/960 IPM
ANSWER
Models
8620 and
8662:
Intercom,
recall, con-
ference,
camped on,
or trans-
ferred call is
ringing-in.
CALL
Call is
active Call is
recalling
from hold or
transfer
Call or
queue call-
back is ring-
ing in or
camped on
(waiting)
Call is on
hold at the
user’s
phone or
the user
has entered
a transfer
feature
code.1
CNF
The LED
flashes for
2–5 sec-
onds and
then goes
out when
the confer-
ence is
estab-
lished.
Conference
is recalling
your phone.
A confer-
ence party
is on con-
ference wait
hold.
DND Phone is in
Do-Not-Dis-
turb.