Synopsis:

CCtrunktype(port)

Arguments:

       port – The logical E1/T1 port number.

Description:   This function maps to the following Aculab function:

ACU_ERR call_line (ACU_PORT_ID portnum);

It returns the type of trunk supported by the port and will be one of the following defined in ACULAB.INC:

const  L_E1          = 1;

const  L_T1_CAS      = 2;

const  L_T1_ISDN     = 3;

const  L_BASIC_RATE  = 4;   

const  L_PSN         = 5;    # packet stream

Returns:  Returns the trunk type or a negative error code.