CHAPTER 1 GENERAL INFORMATION
– 25 –
ND-71503(E) Rev.5.0
9pch1001.fm
Conditions for CCIS Connection
• Peer-to-Peer connection between D
term
IPs via CCIS is available only when the destination office is
2000 IPS or 2400 IPX.
• The Virtual IPT can be connected to a maximum of 127 trunks.
• The Virtual IPT provides only Point-to-Multipoint connection.
• When a call over Peer-to-Peer connection via CCIS is put on hold and then answered at the same
station, Elapsed Time Display returns to 0:00:00.
• When the destination office uses the physical IPT card, for example, when connecting to the former
PBX system, the IPT card and 4VCT card are required in both offices.
• Conditions for Link Down Notice for CCIS connection are shown below.
[Series 3200 R6.2 software required]
– Link Down Notice is available only for D
term
and D
term
IP accommodated in the 2000 IPS and
IPS
DM
/IPS
DMR
. This is not available for a single line telephone and Attendant Console.
– For message display, D
term
/D
term
IP with 24-digit or more LCD is recommended. 16-digit LCD
may not display all messages properly.
– Notification message can be displayed regardless of idle or busy state of D
term
/D
term
IP, writing the
message over the present display. After six seconds, the display returns to the time display
automatically.
– The system detects a Link Down on the condition that TCP connection between offices is
interrupted. The Link Down is notified to the D
term
/D
term
IP at 15-20 seconds later from the system
detects the Link Down.
– Link Down Notice is available only for the CCIS connection via Virtual IPT. CCIS connection with
CCT/DTI card or LDT/ODT card is not available.
– When the link between offices connected by CCIS via Virtual IPT is interrupted, the lamp of D
term
/
D
term
IP button becomes the state as shown below. Then press the button, the LCD of the D
term
/
D
term
IP displays the following.
– When the link between offices recovers, the flashing lamp of the button goes out.
COLOR AND STATE
OF BUTTON
STATE AND
OPERATION
LCD DISPLAY
Red/Flashing
(Momentarily)
0.125 seconds ON-
0.125 seconds OFF
Link Down occurrence
-
Red/Flashing
(Slowly)
0.5 seconds ON-
0.5 seconds OFF
Press the button after
Link Down occurrence
Link Down to CCIS
OFF
-
Link restoration
-
OFF
-
Press the button after
Link restoration
Normal Condition:
CCIS
JANUARY/16/2004
SYSTEM CONDITIONS
CÔNG TY VIỄN THÔNG VIỆT PRO
Chuyên phân phối tổng đài NEC
http://vietpro.com.vn
