htc u11, Why will the phone not send texts while on a call?

[AC Question]

The strangest thing, I recently got the U11 and while on a phone call I cannot send/receive texts, emails. is this a setting issue that I just haven't figured out. Just left my htc one m7 and it was fineon that...Help

 

[ManiacJoe]

Some phones can multitask at that level, some cannot.
Check your hardware specs.
Also, which carrier are you using?