Vodafone UK introduces HD voice calls part of £1B investment

Vodafone has added HD voice calling technology across its network in the UK. The carriers latest feature is part of its £1 billion investment in its services in 2014. Thanks to HD voice calling, both consumer and business users will get to enjoy crisper in-call audio. In terms of investments, the carrier says it has spent additional $802 million to acquire the widest portfolio of mobile spectrum

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