Comments state that any general decrease in revenues suffered by Portugal Telecom, if at all, will generate increased revenues in these subsidiaries. By way of example it is stated that Telepac has 75 % of the datacoms market, TMN has 50 % of the mobile market, Contactel and TLM have 67 % of the paging market, TV Cabo has 75 % of the cable TV market and Radiomovel has 70 % of the trunking market.
