Wireless carrier voice revenues are declining almost to zero (many fees now include unlimited voice and SMS texts, charging only on the basis of data consumed). Not to mention the reliability of voice coverage is on the declines as well with carrier networks seeing congestion in many areas throughout the World.
- Install a femtocell, (often termed residential small cell)
- Use Wi-Fi calling
- Install a repeater
Several operators are introducing Voice over Wi-Fi including operators T-Mobile. This is quite independent of VoLTE and comes in several flavors - many operators offer a separate App that can be a bit clunky and inconvenient to use. Alternatively, the new iPhone iOS8 Wi-Fi calling feature is fully integrated as a seamless service - making it as easy to use as standard cellular calls. Most T-Mobile android phones offer built in Wifi calling as well. The iPhone could be a big trigger for greater take-up of Wifi calling and may affect sales of residential Femtocells. Approximately, 10 million residential Femtocells deployed worldwide.