Number not registered to my phone

[JoanneL_3054159]

Hi I am new to Smarty and keeping my old number, this has now been sorted and transferred over. I have a message from my phone telling me number isn’t registered to my phone. It’s the same for my daughter as well. What does this mean? 

thanks 

[Unitysounduk]

@JoanneL_3054159 

Hi what phone do you and your daughter have ?