Voice-over-LTE is important for automotive firms because VOLTE offers operators a more efficient way to deliver voice calls to mobile customers while promising users better-quality voice connections through services like HD Voice and phones such as Apple iPhone 6.

VoLTE mobile phone sales today are finally on the cusp of talking off globally, after several years of limited deployments in various regions around the world.

Strategy Analytics forecasts worldwide VoLTE handset sales will grow by 113% annually in 2015, led by the Asia Pacific and North American markets.

More analysis can be downloaded by automotive clients here.