9 COMPUTER OPERATING SOFTWARE FOR A TELEPHONY SYSTEM; TELECOMMUNICATIONS HARDWARE AND SOFTWARE FOR TRANSMISSION, SWITCHING, RECEPTION AND PROCESSING OF VOICE CALLS; ELECTRONIC EQUIPMENT FOR VOICE COMMUNICATION, NAMELY, TELECOMMUNICATIONS NETWORKING HARDWARE IN THE NATURE OF DEVICES FOR TRANSPORTING AND AGGREGATING VOICE COMMUNICATIONS ACROSS MULTIPLE NETWORK INFRASTRUCTURES AND COMMUNICATIONS PROTOCOLS; TELECOMMUNICATION NETWORK EXCHANGE, TRANSMISSION AND SWITCHING EQUIPMENT, NAMELY, AUTOMATIC TELEPHONE EXCHANGES, AUTOMATIC SWITCHING APPARATUS FOR TELECOMMUNICATIONS