Roaming abroad - phone not connecting

[Sunwing]

My phone is not connecting to UK no.s from canary islands.  I have had text from local network which suggests everything is ok?

[Gliwmaeden2]

Did you call Talktalk to set up roaming?

Otherwise you may just be connecting to the local network. 

See these pages, @Sunwing:

https://community.talktalk.co.uk/t5/Articles/Using-TalkTalk-Mobile-abroad/ta-p/2204471