QUERY_AGENT_STATISTICS_REQ is not supported. Use QUERY_AGENT_QUEUE_STATISTICS_REQ instead. The format is

QUERY_AGENT_QUEUE_STATISTICS_REQ Message Body Format

The messagetypeid is 239.
Fixed Part

InvokeID A unique ID generated by the CTI client for
each request message. This ID is returned in
the corresponding confirmation message.
UINT 4

Floating Part
Field Name Value Data Type
Maximum
Size
AgentID[194 Tag ID]
(required)
The Agent ID. STRING 32

QUERY_AGENT_QUEUE_STATISTICS_CONF Message Body Format
The messagetypeid is 240.

Fixed Part

InvokeID Set to the same value as the InvokeID from the
corresponding request message.
UINT 4
Real-Time Statistics
CallsInQueue The sum of the total number of calls in queue for
all the CSQ?s that this Agent belongs to.
UINT 4
OldestCallInQueue The elapsed wait time of the oldest call currently
in queue for any of the CSQs to which the Agent
belongs.
UINT 4

Floating Part
Maximum
Size
AgentID[194 Tag ID]
(required)
The Agent ID. STRING