You can make a call on WhatsApp to a single person or to a group of contacts, but you'll need their phone numbers and an ...
[timecom-gdgt url=”http://gdgt.com/vonage/browse/” style=”full” float=”right”] VoIP provider Vonage announced the Vonage Mobile for Facebook app today ...
BSNL has launched its free VoWiFi service, allowing users to make voice calls over Wi-Fi in low-network areas, ...
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