Why does ID mobile not send a missed call text message in the correct format?

When in bad service/signal, ID Mobile sends us text to say someone has rang.

They send the number in the text as

447971XXXXXX

So when u press it to dial the number, it won't ring.

You then have to edit the number or find the contact.

For 30 years now, to dial a mobile it's

07971 etc.

Or +447971 etc.

A 6 year old child knows this.

Why can't ID Mobile get this right?

It really is easy to solve some of these basic issues, as you are very good ID Mobile at a lot of other things. Please change this to how it should be. It's basic network communications normality