GSMA shows off next-gen mobile call tech

Summary:The GSM Association's director of technology, Dan Warren, demonstrates Voice-over-LTE, the IP-based voice- and video-calling technology that is likely to dominate once 4G is the norm

The mobile industry has been hard at work establishing the standards for all-IP voice and video calling, which will gradually supersede the GSM-based calling that underpins mobile communications.

At Mobile World Congress in Barcelona, GSM Association technology director Dan Warren showed ZDNet UK the technology in action, explaining the latest developments in Voice-over-LTE (VoLTE) roaming. He also points out why all-IP will not necessarily mean lower costs for travelling customers, at least in the early stages of 4G deployment.

Get more mobile news from ZDNet UK's latest updates from Mobile World Congress.

Topics: MWC, Mobility


David Meyer is a freelance technology journalist. He fell into journalism when he realised his musical career wouldn't be paying many bills. His early journalistic career was spent in general news, working behind the scenes for BBC radio and on-air as a newsreader for independent stations. David's main focus is on communications, of both... Full Bio

Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.

Related Stories

The best of ZDNet, delivered

You have been successfully signed up. To sign up for more newsletters or to manage your account, visit the Newsletter Subscription Center.
Subscription failed.