https://community.o2.co.uk/t5/Tech-Support/Call-failure/m-p/1709245#M46848 <P><a href="https://community.o2.co.uk/t5/user/viewprofilepage/user-id/5432587">@Carys81</a>&nbsp;</P><P>Check guide here first <LI-PRODUCT title="Guide: How can I sort out my network issues?" id="Guide018"></LI-PRODUCT>&nbsp;</P> Wed, 10 Apr 2024 15:03:20 GMT MI5 2024-04-10T15:03:20Z https://community.o2.co.uk/t5/Tech-Support/Call-failure/m-p/1709232#M46846 <P>My data works fine but when I am trying to make calls using my new O2 number, the call instantly fails. I don’t know what to do.&nbsp;</P> Wed, 10 Apr 2024 14:30:57 GMT https://community.o2.co.uk/t5/Tech-Support/Call-failure/m-p/1709232#M46846 Carys81 2024-04-10T14:30:57Z https://community.o2.co.uk/t5/Tech-Support/Call-failure/m-p/1709245#M46848 <P><a href="https://community.o2.co.uk/t5/user/viewprofilepage/user-id/5432587">@Carys81</a>&nbsp;</P><P>Check guide here first <LI-PRODUCT title="Guide: How can I sort out my network issues?" id="Guide018"></LI-PRODUCT>&nbsp;</P> Wed, 10 Apr 2024 15:03:20 GMT https://community.o2.co.uk/t5/Tech-Support/Call-failure/m-p/1709245#M46848 MI5 2024-04-10T15:03:20Z