1975
The seventh socioeconomic development plan (VIIe Plan) makes telephony a national priority, this is the beginning of the "Delta LP" saga, or the "telephone catch-up plan," aimed at installing 14 million telephone lines in seven years
The seventh socioeconomic development plan (VIIe Plan) makes telephony a national priority, this is the beginning of the "Delta LP" saga, or the "telephone catch-up plan," aimed at installing 14 million telephone lines in seven years