User manual

CHAPTER 2 SYSTEM CONFIGURATION
NEAX 2000 IPS General Description Page 35
NDA-24345, Issue 3
Conditions for CCIS Connection
• Peer-to-Peer connection between DtermIPs 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.
- Link Down Notice is available only for Dterm and DtermIP accommodated in the 2000
IPS and IPSDM/IPSDMR. This is not available for a single line telephone and Attendant
Console.
- For message display, Dterm/DtermIP 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 Dterm/DtermIP,
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 Dterm/DtermIP 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 Dterm/DtermIP button becomes the state as shown below. Then press the button,
the LCD of the Dterm/DtermIP displays the following.
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
- When the link between offices recovers, the flashing lamp of the button goes out.
Conditions for DRS
DRS=Device Registration Server
• The System-based DRS executes DtermIP registration.
• The Network-based DRS is not available for the DtermIP registration.