There’s a new VoIP app in the market you might not have heard of. It works seamlessly on 2G, and you can call non-app users including landlines and mobile phone numbers. The name’s nanu.

providing advice to developers whose apps “place phone calls, for instance using services such as Voice over IP (VoIP),” as to how they become the default calling app. With that setting ...

Why settle for an ancient, analog PBX? The best voice over IP (VoIP) services we've tested deliver enterprise-grade phone system features for a small-business-friendly price. Choosing voice over ...