Many of these services require you to install a piece of software or a plug-in, but then all you need is Internet connection, a microphone, and speakers and you’re ready to make calls.
Nyingi ya huduma hizi zinakuhitaji usakinishe kipande cha programu au programu-jalizi, lakini unachohitaji tu ni muunganisho wa Intaneti, maikrofoni, na vipaza sauti na uko tayari kupiga simu.