Developer's Guide

5-126
CTI Server Message Reference Guide (Protocol Version 15) for Cisco Unified Contact Center Enterprise
Release 8.5(1)
Chapter 5 Application Level Interfaces
Client Control Service
TRANSFER_CALL_REQ
Use this message to transfer a held call to an active call. The two calls must have connections to a single
common device. Upon transfer, both of the connections with the common device become NULL and
their connection identifiers are released.
You can also use this message to transfer an active call to another number (single step or blind transfer).
The TRANSFER_CALL_REQ message is defined in Table 5-118.
InvokeID Set to the value of the InvokeID from the
corresponding request message.
UINT 4
Maximum message size (including header): 12
Table 5-117 RETRIEVE_CALL_CONF Message Format (continued)
Table 5-118 TRANSFER_CALL_REQ Message Format
Fixed Part
Field Name Value Data Type Byte Size
MessageHeader Standard message header. MessageType
= 64.
MHDR 8
InvokeID An ID for this request message, returned
in the corresponding confirm message.
UINT 4
PeripheralID The PeripheralID of the ACD where the
calls are located.
UINT 4
ActiveConnection CallID The Call ID value assigned to the
currently active call by the peripheral or
Unified CCE.
UINT 4
HeldConnectionCallID The Call ID value assigned to the held
call by the peripheral or Unified CCE. If
there is no held call (single step transfer),
this field must be set to 0xffffffff.
UINT 4
ActiveConnection
DeviceIDType
The type of device ID in the
ActiveConnectionDeviceID floating field
(Table 6-13).
USHORT 2
HeldConnectionDevice
IDType
The type of device ID in the
HeldConnectionDeviceID floating field
(Table 6-13). If there is no held call
(single step transfer), this field must be
set to CONNECTION_ ID_NONE and
no Held Connection DeviceID floating
field is needed.
USHORT 2
CallPlacementType One of the values from Table 6-21
specifying how the call is to be placed.
USHORT 2
CallMannerType One of the values from Table 6-22
specifying additional call processing
options.
USHORT 2