42 PLANNING AND AUDITING AUTOMATION SYSTEMS AND ADVISING CUSTOMERS WITH RESPECT THERETO, WITH PARTICULAR EMPHASIS UPON SIGNAL TRANSMISSION, TRANSMISSION CONTROL AND NETWORKING ASPECTS, AND TRANSMISSION MEDIA; DESIGNING AND DEVELOPING TELECOMMUNICATIONS SYSTEMS FOR OTHERS, PROVIDING CONSULTATION SERVICES AND ON-GOING SUPPORT SERVICES FOR USERS OF TELECOMMUNICATIONS SYSTEMS, AND RESEARCHING AND DESIGNING SPECIAL COMMUNICATIONS EQUIPMENT CUSTOMIZED TO THE APPLICATION