When a tom has hen or hens with him, and he won't come in all the way. I have 2 approaches. 1 my decoy setup is always a jake on top of a hen. That rattles their cage, and sometimes enough to come in. 2 call to the hen, mock her every call. Piss her off, and get her to come in to you bringing him along. If all else fails all you can do is switch up calls, thats why they say its better to have several. Sometimes a certain tone will get them to respond.
In alot of cases of listening to turkey hunters, they'reresponding to the tom, and that causes them to hang up also. Not saying this is your case or what you do. But one of the worst times to call is right after a tom gobbles. You want the tom to gobble to your calls, not the hunter calling to the tom! It hangs them up all the time.