Transitions look like they have a script to bring summons and stuff with the master when they go through a intra-area transit.
However it looks like there is a bug in this script, as it teleports them all to the transit you just used, not the target where you are then after clicking!
I noticed this awhile ago but forgot to post it.
I have seen this.
I third that, although I thought it was normal and have /c recall in my quickslot just for it(to hopefully get them at my side before any combat is initiated on the other side)