Singapore mobile operator M1 Limited (M1) says its Long Term Evolution-Advanced (LTE-A) network now supports voice-over-LTE (VoLTE) calls, dubbed 4G Voice, which customers on 4G plans will be able to enjoy at no additional charge. The cellco’s ultra-high speed network supports peak data rates of 300Mbps which will allow for higher quality voice communications, compared to standard voice calls. In a press release, M1 confirmed that the new 4G Voice feature is designed to work seamlessly between M1’s 3G and 4G networks, to deliver uninterrupted conversation to customers. Commenting on the upgrade, M1 chief operating officer Patrick Scodeller, said: ‘Following a period of extensive testing, we are pleased to make available 4G Voice calls to our customers. We are sure our customers will appreciate the enhanced voice call quality and the ease of use of the feature.’
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