Viber, or Rakuten Viber, is a cross-platform voice over IP (VoIP) and instant messaging (IM) software application owned by Japanese multinational company Rakuten, provided as freeware for the Android, iOS, Microsoft Windows, macOS and Linux platforms. Users are registered and identified through a cellular telephone number, although the service is accessible on desktop platforms without needing mobile connectivity.
To make (a telephone call) using Skype software.
To send (a message or file) with Skype.
To contact (a person) via Skype.
‘I'll skype you tomorrow. We can skype for a couple of hours.’;
Skype () is a proprietary telecommunications application that specializes in providing VoIP-based videotelephony, videoconferencing and voice calls. It also has instant messaging, file transfer, debit-based calls to landline and mobile telephones (over traditional telephone networks), and other features.