Why sms message won't underline phone number on Samsung note 4?

[AC Question]

My Samsung note 4 won't highlighed the phone number. Did anybody know why? I need it to be highlighted so when I click the number, I can call it or save it into contact. Is this conflict with other type of messages like LINE, WHATSUP, MESSENGER, ETC. please someone help me with this. Tq

 

[Oppss]

I would like to understand this too.

Previously was using Xperia Z3 and now changed to Z5. And Z5 does not have such a function.

Hope someone in this community knows the solution.

Thanks.