help now please

[Android Question]

Ok I have a HTC one eco I think threw cricket I'm getting an incoming call and then my second incoming call I need to merge them together so two colours already on the line how do I merge it through a cricket HTC One when I push the menu thing it shows flash people vCard but nothing emerge please help me now

 

[Hadron]

As long as your network provider supports it (not all do) it's possible to set up a conference call from your phone, but as far as I can tell it requires you to call the third person rather than them calling you.

Here's one example of the instructions I found: HTC One (Sprint) Support - Setting up a three-way call | HTC United States