HOLD_CALL_REQ

The HOLD_CALL_REQ message, defined in the following tables, allows a client to place an existing call connection into the held state.

HOLD_CALL_REQ Fixed Part Message Body Format

Fixed part

Field name

Value

Data type

Byte size

InvokeID

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

UINT

4

reserved

Set this value to 1.

UINT

4

CallID

The Call ID value assigned to the call by Unified CCX.

UINT

4

ConnectionDeviceType

The connection type of the device supplied in the ConnectionDeviceID floating field. See ConnectionDeviceType Values.

USHORT

2

reserved

Set this value to 0.

BOOL

2

HOLD_CALL_REQ Floating Part Message Body Format

Floating part

Field name

Value

Data type

Maximum size

ConnectionDeviceID[25] (required)

The ID of the connection between the call and the device.

STRING

64

AgentInstrument[6] (optional)

The agent’s IP phone number.

STRING

64