{
{    The purpose of this request is to propose that a connection to a specified
{ address be opened.
{
{       NLP$SL_CALL_REQUEST (CL_CONNECTION, SAP, DESTINATION, DATA, STATUS)
{
{ CL_CONNECTION: (input)  This parameter specifies the interlayer connection
{       that is to be associated with the Session connection.
{
{ SAP: (input)  This parameter specifies an open service access point over
{       which the connection is to be opened.
{
{ DESTINATION: (input)  This parameter specifies the address to which the
{       connection is to be made.
{
{ DATA: (input)  This parameter specifies data to be delivered at the
{       destination address as part of the "connect" event.  The meaning of
{       this data must be agreed upon by the communicating users.  The length
{       of this data may not exceed 512 bytes.
{
{ STATUS: (output) This parameter specifies the request status.
{       CONDITIONS:
{             nae$max_active_connections
{             nae$max_data_length_exceeded
{
