Resolved -
This incident has been resolved.
Apr 16, 09:09 BST
Investigating -
We are currently experiencing issues with incoming calls and apologise for any inconvenience caused. Our teams are working at pace to resolve this. In the meantime, please contact us via email.
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Rydym yn cael problemau â galwadau'n ein cyrraedd ar hyn o bryd ac ymddiheurwn am unrhyw anghyfleustra a achosir gan hynny. Mae ein timau'n gweithio'n ddygn i ddatrys hyn. Yn y cyfamser, dylech ddefnyddio e-bost i gysylltu â ni.
Apr 15, 15:57 BST