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Cisco Cisco Computer Telephony Integration Option 9.0 Developer's Guide

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CTI Server Message Reference Guide (Protocol Version 9) Release 7.0(0)
Chapter 5      Application Level Interfaces
Client Events Service
CALL_HELD_EVENT
The CTI Server may send a CALL_HELD_EVENT message to the CTI client when a call is placed on 
hold at the agent’s teleset. The CALL_HELD_EVENT message is defined in 
. 
LastRedirectDevice 
ID (optional)
The device ID of the previously 
alerted device.
STRING
64
TrunkNumber 
(optional)
The number representing a trunk.
UINT
4
TrunkGroup 
Number (optional)
The number representing a trunk 
group.
UINT
4
Maximum message size (including header):
400
Table 5-6
CALL_ESTABLISHED_EVENT Message Format (continued)
Table 5-7
CALL_HELD_EVENT Message Format 
Fixed Part
Field Name
Value
Data Type
Byte 
Size
MessageHeader
Standard message header. 
MessageType = 11.
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 activity occurred.
UINT
4
PeripheralType
The type of the peripheral 
(
USHORT
2
ConnectionDevice 
IDType
The type of device ID in the 
ConnectionDeviceID floating 
field (
).
USHORT
2
ConnectionCallID
The Call ID value assigned to this 
call by the peripheral or ICM 
software.
UINT
4
HoldingDeviceType
The type of device ID in the 
HoldingDeviceID floating field 
(
).
USHORT
2
LocalConnection 
State
The state of the local end of the 
connection (
USHORT
2
EventCause
A reason for the occurrence of the 
event (
USHORT
2
Floating Part