[ NTC MEMORANDUM CIRCULAR NO. 7-13-90, July 12, 1990 ]

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National Administrative Register
RULES AND REGULATIONS GOVERNING THE INTERCONNECTION OF LOCAL TELEPHONE EXCHANGES AND PUBLIC CALLING OFFICES, WITH THE NATIONWIDE TELECOMMUNICATIONS NETWORK/S, THE SHARING OF REV…
[ NTC MEMORANDUM CIRCULAR NO. 7-13-90, July 12, 1990 ]