Cisco Cisco Computer Telephony Integration OS 8.5 Developer's Guide

The following rules apply to the optional_args and reserved_args parameters in Call Object methods:

In VB, you can ignore these parameters altogether. For example, you can treat the line:

Answer([reserved_args As IArguments]) As Long

as follows:

Answer()

To ignore these parameters in COM you must send a NULL, as shown:

Answer (NULL)

The Alternate method combines the action of placing a talking call on hold and then retrieving a 
previously held call at the same device. If there are only two calls at the device, this method may be 
called via either the current or the held call. 

int Alternate()

int Alternate(Arguments & reserved_args);

HRESULT Alternate (/*[in,optional]*/  IArguments *reserved_args,    (/*[out, 

retval]*/ int * errorcode );

Alternate([reserved_args As IArguments]) As Long

Hold

Places a current call on hold.

IsValid

See 

MakeConsultCall

Places a current call on hold and makes a new call.

Reconnect

Clears the current call and then retrieves a held call.

Retrieve

Retrieves a held call.

SetCallData

Sets call and expanded call context (ECC) variables.

SendDTMFSignal

Requests the ACD to send a sequence of DTMF tones.

SingleStepConference

Performs a single step conference.

SingleStepTransfer

Performs a single step transfer.

Snapshot

Issues a server request to get the current call 
information, including call data and a list of associated 
devices and the connection state for the call of each 
device.

StartRecord

Starts recording of a call.

StopRecord

Stops recording of a call.

Transfer

Transfers a call to a third party.