· New, free-to-download app lets users make and receive calls, texts and voicemail from their existing O2 number on any supported device · Calls are charged in line with a Pay Monthly tariff – with ...
O2 has launched a new VoIP service, O2 TU Go, which puts your mobile number in the cloud – so when you receive a call to your O2 number, any device with the free app installed will ring, whether it’s ...
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