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INSTALLING AND MAINTAINING COMMUNICATIONS NETWORKS
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WIRELINE, WIRELESS AND SATELLITE COMMUNICATIONS SERVICES, NAMELY COMMUNICATIONS BY TELEPHONE, LOCAL AND LONG DISTANCE COMMUNICATIONS, TOLL NUMBER AND PAY NUMBER SERVICES, FIBER OPTIC COMMUNICATIONS, DIGITAL FIBER OPTIC COMMUNICATIONS, DATA COMMUNICATIONS, SATELLITE COMMUNICATIONS, VOICE, VIDEO AND DATA TRANSMISSION AND COMMUNICATIONS, NETWORK TELEPHONY, VOICE MESSAGING SERVICES, VOICE MESSAGE TRANSMISSION, RECEIPT NOTIFICATION, STORAGE AND RETRIEVAL VIA PAGERS, CALL FORWARDING AND TRANSFER SERVICES, CALLER IDENTIFICATION AND CALL SCREENING SERVICES, TELEPHONE AND CALLING CARD SERVICES
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DESIGN OF COMMUNICATIONS NETWORKS FOR OTHERS COMPUTER SERVICES, NAMELY PROVIDING MULTIPLE USER ACCESS TO A GLOBAL COMPUTER INFORMATION NETWORK
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