VoIP, also known as Voice over Internet Protocol, Voice over IP, and IP telephony, enables audio communications and multimedia sessions via IP networks for a variety of compatible devices with a 3G/4Gmore
VoIP, also known as Voice over Internet Protocol, Voice over IP, and IP telephony, enables audio communications and multimedia sessions via IP networks for a variety of compatible devices with a 3G/4G or Wi-Fi signal. Growing out of this technology, video chat or videophone calls, videocalls, or videoconferencing enables individuals to chat face-to-face across computers, tablets, and smartphones. Skype is perhaps the most popular of these services, but there are plenty of worthy Skype alternatives.
Yes, as long as your recipient is on the same service.
Yes, as long as you're communicating using a compatible VoIP chat client. But if you're calling a landline or mobile phone number, then your communication might not be encrypted, unless you're using a mobile VPN.
Facebook Messenger for iOS offers just about everything you'd want in a messaging app, with hooks into your Facebook contacts to help you connect with friends.
Google Hangouts is a well-designed messaging service available across multiple platforms, offering text, audio, and video services in one easy-to-use app.
With Skype for iOS, you can make free worldwide calls, chat with friends, and even play games via chatbots.
Viber offers its 800 million worldwide users a solid set of messaging tools for staying in touch, but some of its features have a me-too quality.