ücretsiz telefonla

listen to the pronunciation of ücretsiz telefonla
التركية - الإنجليزية
freephone
A service offering telephone calls free of charge to designated numbers

Adding a freephone telephone number does increase response.

see Freefone. an arrangement by which a company or organization pays the cost of telephone calls made to it toll-free
{i} telephone service which allows companies to pay for predetermined incoming calls, toll-free