Cisco Cisco Computer Telephony Integration Option 9.0 Technical References

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CTI Server Message Reference Guide (Protocol Version 17) for Cisco Unified Contact Center Enterprise
Release 10.0(1)
Special Values
Special Values
 shows the values used to define sizes and limits, indicate special IDs, and unspecified data 
elements.
SYS_INSTRUMENT_ OUT_OF_SERVICE
An Enterprise Agent device target has been 
removed from service. SystemEventArg1 
contains the PeripheralID of the peripheral, 
and SystemEventText contains the 
AgentInstrument that was removed from 
service. 
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SYS_INSTRUMENT_ BACK_IN_SERVICE An Enterprise Agent device target has been 
returned to service. SystemEventArg1 
contains the PeripheralID of the peripheral, 
and SystemEventText contains the 
AgentInstrument that was returned to 
service. 
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Table 6-2
SystemEventID Values (continued)
SystemEventID
Description
Value
Table 6-3
Special Values
Constant
Description
Value
MAX_NUM_CTI_ CLIENTS
The maximum number of CTI clients that can be 
in a message list.
16
MAX_NUM_ PARTIES
The maximum number of conference call parties 
that can be in a message list.
16
MAX_NUM_ DEVICES
The maximum number of call devices that can be 
in a message list.
16
MAX_NUM_ CALLS
The maximum number of calls that can be in a 
message list.
16
MAX_NUM_ SKILL_GROUPS
The maximum number of skill group fields that 
can be in a message list.
20
MAX_NUM_LINES
The maximum number of teleset line fields that 
can be in a message list.
10
NULL_ CALL_ID
No call ID is supplied.
0xFFFFFFFF
NULL_ PERIPHERAL_ID
No peripheral ID is supplied.
0xFFFFFFFF
NULL_SERVICE
No service is supplied.
0xFFFFFFFF
NULL_SKILL_ GROUP
No skill group is supplied.
0xFFFFFFFF
NULL_CALLTYPE
Indicates that no CallType is supplied.
0xFFFF