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Cisco Cisco Computer Telephony Integration Option 8.5 Developer's Guide

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5-7
CTI Server Message Reference Guide (Protocol Version 9) Release 7.0(0)
Chapter 5      Application Level Interfaces
Client Events Service
CALL_DATA_UPDATE_EVENT
The CTI Server sends a CALL_DATA_UPDATE_EVENT message to the CTI client when changes to 
the call context data occur. This message contains only the items that have changed. The initial call 
context is provided in the BEGIN_CALL_EVENT message. The CALL_DATA_UPDATE_EVENT 
message is defined in 
.
Field Name
Value
Data Type
Max. 
Size
Connection 
DeviceID 
The device ID of the device 
associated with the connection.
STRING
64
Maximum message size (including header):
90
Table 5-3
END_CALL_EVENT Message Format (continued)
Table 5-4
CALL_DATA_UPDATE_EVENT Message Format 
Fixed Part
Field Name
Value
Data 
Type
Byte 
Size
MessageHeader
Standard message header.   
MessageType = 25.
MHDR
8
MonitorID
The Monitor ID of the device or 
call monitor that caused this 
message to be sent to the client, or 
zero if there is no monitor 
associated with the event (All 
Events Service).
UINT
4
PeripheralID
The ICM PeripheralID of the ACD 
where the call is located.
UINT
4
PeripheralType
The type of the peripheral 
(
).
USHORT 2
NumCTIClients
The number of CTI Clients 
associated with this call.  This 
value also indicates the number of 
CTI Client signatures and 
timestamps that are present in the 
floating part of the message. 
USHORT 2
NumNamedVariables
The number of NamedVariable 
floating fields present in the 
floating part of the message.
USHORT 2
NumNamedArrays
The number of NamedArray 
floating fields present in the 
floating part of the message.
USHORT 2
CallType
The general classification of the 
call type (
USHORT 2