Vodafone launched its HD (High Definition) Voice technology across the UK.
Both business and consumer customers, whether on 3G or 4G, will benefit from the roll-out, which will see compatible phones automatically switch to HD Voice technology when in range.
The service will be rolling out over the next couple of days, and calls will still be charged at the normal rate.
However, customers can only use the service to call other Vodafone devices, with the operator not giving away any details on whether it will expand this to other networks soon. HD Voice will also not work with Vodafone’s Sure Signal, Open Sure Signal, and in-building coverage solutions.
Vodafone promises its customers "a richer tone of voice" from the caller, with HD Voice also helping reduce background noise to a minimum, capturing sound waves twice as fast as other calls and using a broader range of frequencies to match the range of pitch and tone in human speech.
The rollout of HD Voice is part of Vodafone’s £1bn project to improve and upgrade its network across the country this year, as the company targets 98% UK coverage with its 2G, 3G and 4G services.
This investment comes on top of the £802m that Vodafone spent acquiring the widest portfolio of mobile spectrum in last year’s auction of new capacity by Ofcom.
The company has in the last few months also expanded its ultrafast 4G coverage, which it revealed last month now has more than a million subscribers, to reach more than 313 cities, towns and districts, as well as thousands of smaller communities, across the UK.
"Our HD Voice brings our best call quality to our customers," said Vodafone UK technology director Fergal Kelly.
"It is another important step towards our commitment to deliver our strongest ever network to the UK."
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