GSA, the Global mobile Suppliers Association, announced today that 150 mobile operators in 87 countries have launched HD voice service enabled by W-AMR technology, including 40 VoLTE deployments. Of this, 128 deployments are on 3G/HSPA networks, 17 deployments are on 2G/GSM networks and 40 deployments are on LTE networks (VoLTE).
In October, GSA confirmed that 111 operators are investing in VoLTE across 52 countries. In addition, some 246 devices are able to support VoLTE services, said the association. It was T-Mobile US that first introduced VoLTE service in the U.S. in 2014, followed by Verizon Communications and AT&T.
Alan Hadden, VP, Research, GSA
The VoLTE market is advancing strongly and continues in 2015 as a main industry trend. 40 operators have launched HD voice service using VoLTE for their 4G/LTE customers in 28 countries, compared to only 16 VoLTE live systems 10 months ago.