CHAPTER 1 GENERAL INFORMATION
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ND-71503(E) Rev.5.0
9pch1001.fm
• During survival mode operation, it is not possible to originate/terminate calls to/from stations at other
sites.
Service Conditions
• Set the unique location number to each location group for proper setting of the IP-PAD channel se-
lection and CODEC for voice compression.
• The system clock at Remote Site synchronizes with the system clock at Main Site. If the communi-
cations to Main Site are interrupted, Remote Site does not synchronize and operates at the hardware
clock on the MP card of Remote Site.
• Remote Site cannot accommodate the Virtual IPT and the IPT card (H.323).
• A different metering area at each Remote Site is not available because Main Site corrects all call me-
tering through the whole system. If a call is originated from the COT at Remote Site, it is charged as
the call originated from the COT at Main Site.
• The service features requiring continuous voice transmission such as Background Music and Internal
Zone Paging should not be used at Remote Site considering the traffic on the network.
• Multiple line service should not be used among different sites considering the traffic on the network.
• Automated Attendant should not be used at Remote Site considering the traffic.
• Unavailable services at Remote Site are as follows.
– Attendant Console, Desk Console, Add-On Module, DSS Console and ISDN Terminal are not
mountable.
– Caller ID - Station is not available.
– CCIS (CCH with digital and analog trunk interface) is not available. CCIS (CCT) is available.
– All services using MP built-in DK or DK card are not available.
– All services using DAT card are not available.
When Remote Site is IPS
DMR
, in addition to the above conditions, the following services are restrict-
ed due to the PN-CP31-A/PN-CP31-B hardware conditions.
– MP built-in Modem communications are not available.
– RS Port No.1 is not available.
– MP built-in Digital Announcement Trunk (DAT) service is not available.
• Station number of the stations accommodated in Remote Sites should be divided with the Tenant
(CM23) according to the PSTN/GSTN or private line to be connected, or each service feature to be
used.
• Set the unique trunk route to each Site.
• Different numbering plan for every site must not be assigned.
• Since Main Site controls OAI, OAI terminals cannot be used at Remote Site during survival mode
operation.
• Stations at Remote Site cannot participate in the 6/10-party conference using CFTA/CFTB card.
• Each Remote Site must provide a hold tone to the station at the Remote Site.
– External hold tone (using Jack on the MP card): Tone source is required for each site.
– Internal hold tone: Available
– Hold tone using DAT: Not available
SEPTEMBER/15/2004
SYSTEM CONDITIONS
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