https://community.o2.co.uk/t5/Android/4G-calling/m-p/1092154#M66700 It will be shown here when work starts <A href="http://status.o2.co.uk/" target="_blank">http://status.o2.co.uk/</A> Thu, 30 Nov 2017 16:54:51 GMT MI5 2017-11-30T16:54:51Z https://community.o2.co.uk/t5/Android/4G-calling/m-p/1092113#M66692 <P>Can anyone tell me when 4G calling is coming to Cardiff please?</P> Thu, 30 Nov 2017 15:16:44 GMT https://community.o2.co.uk/t5/Android/4G-calling/m-p/1092113#M66692 Skyhawk1010 2017-11-30T15:16:44Z https://community.o2.co.uk/t5/Android/4G-calling/m-p/1092114#M66693 <P>Sadly only O2 know this and they don't publish the information anywhere.</P> Thu, 30 Nov 2017 15:19:03 GMT https://community.o2.co.uk/t5/Android/4G-calling/m-p/1092114#M66693 PhoneChanger 2017-11-30T15:19:03Z https://community.o2.co.uk/t5/Android/4G-calling/m-p/1092154#M66700 It will be shown here when work starts <A href="http://status.o2.co.uk/" target="_blank">http://status.o2.co.uk/</A> Thu, 30 Nov 2017 16:54:51 GMT https://community.o2.co.uk/t5/Android/4G-calling/m-p/1092154#M66700 MI5 2017-11-30T16:54:51Z