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NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1
Page 983
Message Center Interface - CCIS M-67
M-67 Message Center Interface - CCIS
General Description
This service feature provides an INTERFACE to the external CPU for MESSAGE CENTER information when a
specific UCD group or console in a CCIS network is called. This interface allows external control of Message
Waiting Lamp (MWL) indications on equipped PBX stations.
Message Center Interface can also be provided in a network established with FCCS groups (networks where
multiple NEAX2400 IPXs are connected via FCCS link) and NEAX2000 IVS
2
using CCIS link. When used as such,
this feature is called Centralized Message Center Interface.
Note: MCI message can be transmitted to the Centralized MCI via NEAX2000 IVS
2
. In the case of connection
between FCCS groups, MCI message can be transmitted only when a call is terminated to any UCD station
within the Center FCCS group.
Operating Procedure
The Message Center Interface (MCI) can provide one of two modes of operation. These modes are described as
Feature 1 and Feature 2:
Feature 1
• Incoming call information is sent to the MCI when an attendant answers.
• Control of MWLs is based on data from the external CPU.
Feature 2
• Incoming call information is sent to the MCI when a UCD station answers.
• Dual call forwarding service is possible.
• Control of MWLs is based on data from the external CPU.
Procedures
Feature 1
1. When the attendant answers a call, the PBX transmits a call handling record to the MCI. The external CPU,
based on the received data, will display a profile of the station/trunk being handled by the attendant on the
monitor.
2. MWL control is based on data from the external CPU. Through the external CPU terminal, when
information is registered, the Host/CPU system forwards MWL control data according to the MWL On/
Off control information sent.
3. The PBX, upon receiving this control data from the MCI, will extinguish or illuminate the MWL,
depending on the subscriber displayed on the attendant’s monitor/display.
4. The called station will be able to receive a message from the attendant by dialing “0”, or from a computer
terminal by entering his/her identification number.
5. The external CPU, upon retrieval of message information, will transmit a data record requesting the PBX
to extinguish the MWL of the corresponding station.
Feature 2
1. The purpose of this MCI is to provide an interface to a Voice Mail System, or a Message Center Computer
which is capable of sending MWL control data to the PBX.
2. In order to perform the data transfer to the external CPU, a station/trunk is connected to a designated UCD
group. These stations in the UCD group are connected to the Voice Mail System/Message Center System
to collect call connection status of MWL control information. Refer to the following block diagram.