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Three network customers across the UK faced a major mobile outage. Issues began in the early hours of Wednesday, June 25 and lasted well into the evening. Many users report being unable to make voice ...

The network has apologised and claimed that the problems affected only a small section of its users – though it did not say how widespread they were. Tracking website Down Detector showed a huge spike ...

Early, proprietary voice-over-IP systems delivered excellent voice quality, but they didn’t address the new risks associated with a converged network. These first-generation systems also failed to ...