Synopsis:

       conf_id=SMconfstart(module)

Arguments:

       module – The module id upon which to start the conference.

Description:  This function creates a conference on the specified module.    Speech module IDs are numbered from 0 starting from the first module on the first prosody speech boards and then opened in sequence across the boards in the order that they are opened.        If successful the function will return a unique conference ID (conf_id) that can be used in all subsequent conference calls .

Returns:  Returns a unique conference ID or a negative error code.