NEC Neax 2400 Imx Message Center Interface Instruction Manual

ND-70428 (E)
ISSUE 1
STOCK # 200892
Message Center Interface (MCI)
Specifications
JANUARY, 1999
NEC America, Inc.
® 

LIABILITY DISCLAIMER
NEC America, Inc. reserves the right to change the specifications,
functions, or features, at any time, without notice.
NEC America, Inc. has prepared this document for use by its em-
ployees and customers. The information contained herein is the
property of NEC America, Inc. and shall not be reproduced without
prior written approval from NEC America, Inc.
NEAX and D
term are registered trademarks of NEC Corporation.
Copyright 1999
NEC America, Inc.
Printed in USA 

ND-70428 (E)
ISSUE 1
JANUARY, 1999
NEAX2400 IMX
Message Center Interface (MCI) Specifications
TABLE OF CONTENTS
Page
LIST OF FIGURES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
LIST OF TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
ND-70428 (E) TABLE OF CONTENTS
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LIST OF FIGURESND-70428 (E)
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LIST OF FIGURES
Figure Title
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Figure 1-1 MCI for UCD Incoming Call   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
Figure 1-2 MCI for Attendant Incoming Call   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
Figure 2-1 Word Framing Example  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

ND-70428 (E)LIST OF TABLES
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LIST OF TABLES
Table Title
Pag e
Table 4-1 Call Type Codes for Attendant Incoming Calls  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 4-2 Call Type Codes for UCD Incoming Calls  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 4-3 Message Text Station Number Explanation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Table 4-4 PBX ® MC Data...

LIST OF TABLESND-70428 (E)
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ND-70428 (E) CHAPTER 1
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CHAPTER 1 INTRODUCTION
This manual provides the Message Center Interface (MCI) specifications for the NEAX2400 IMX system.
When a call terminates to the attendant or a Uniform Call Distribution (UCD) station, the call information is
sent via the MCI to the Message Center (MC). Based on the call information from the Private Branch Exchange
(PBX), the MC achieves ON/OFF control of the Message Waiting Lamp (MWL) and Message Waiting (MW)
indication of the station....

CHAPTER 1 ND-70428 (E)
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ND-70428 (E) CHAPTER 2
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CHAPTER 2 MCI FOR IOC
1. SPECIFICATIONS
1.1 Interface
This section has information on the signal interface requirements for the MCI for Input/Output Controller
(IOC).
Operating mode : Full duplex
Electrical interface characteristic : RS-232C electrical interface standard
Frame code : US ASCII
Parity : Non/Odd/Even
Word framing example : See Figure 2-1.
Data rate : Up to 9600 bps
Priority sequence
• Primary station : PBX
• Secondary station : MC
Figure 2-1   Word...

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MCI FOR IOC
2. PROTOCOL AND MESSAGE RESPONSES
This section has information on protocol and message responses of MCI for IOC. For detailed information on
each message, refer to CHAPTER 4.
2.1 PBX 
® MC
2.2 MC 
® PBX
(1) When receiving messages controlling one station, the following text format applies.
(2) When receiving queue is full, the PBX sends Call Type 39. This requests MC to stop transmission. When
the PBX has processed all MWL requests in full queue,...