Synopsis:

CCtransfer(Aport, Achannel,Cport,Cchannel)

Arguments:

       port – The logical E1/T1 port number.

channel – The channel number.

Description:   This function maps to the following Aculab function:

       ACU_ERR call_transfer(TRANSFER_XPARMS *transferp);

This function allows a call to be transferred after an successful call to CCenquiry().     The call to CCenquiry() is deemed to be successful if the state of the enquiry call becomes CS_CONNECTED or CS_OUTGOING_RINGING (for ‘blind’ transfer).

Returns: This function returns 0 upon success or a negative error code.