However, WhatsApp ready to roll out the innovation in services, enrich the messaging feature. The company announced it will introduce free voice calls in the second quarter, according to The Guardian, Tuesday 25 February 2014.
Koum revealed, Facebook is working on voice calls to be introduced on a messaging application WhatsApp. For the initial stage, a voice call is only intended for users of iPhone and Android, then followed for BlackBerry and Windows Phone platforms.
"I grew up in Russia, where it has had a telephone network. But at that time we did not have any neighbors. Reliable phone that all citizens of the apartment. Guy came and asked to call their families in cities and other countries," said Koum at Mobile World Congress exhibition ( MWC ) 2014 in Barcelona .
"That's why we accept the idea of Facebook to introduce voice services so that users can connect with friends and family who cherished from different corners of the world, " said Koum.
On that occasion , Koum also asserted , WhatsApp will not change and continue to run as an independent company which employs 55 employees .
