The simple, stable and easy to use/setup multiplayer teleporter is here.

McEdit schematics download is the "world download"

setting up scoreboards
/scoreboard objectives add jump stat.jump jump
/scoreboard objectives add move stat.walkOneCm move

setting up teams:
/scoreboard teams add Red
/scoreboard teams add Blue

commands:
central command: tp @p[score_jump_min=4,team=red] x y z

scoreboard players set @a[score_move_min=1] jump 0

1 tick after
scoreboard players set @a[score_move_min=1] move 0

after comparator
scoreboard players set @a[score_jump_min=4] jump 0