... mobile operators would pay a termination fee to the foreign fixed telephone operators instead of the amount they now pay to Portugal Telecom (Esc 106 per minute in the case of European calls, corresponding to the normal public service telephone network rate minus Esc 19,20 per minute).
To reach an estimation of the price of European calls that mobile operators would charge after liberalization, Portugal added the operational costs of Esc 58 per minute, the costs of the determination fee of Esc 35 per minute, and the costs of half of the international transmission belonging to the originating country.
