I have a script for a regular vehicle teleporter if that's what you're trying to do. For players, use the regular netgame flags built into Sapien, there shouldn't be a reason why you couldn't use those if you're just teleporting players. You can send the player to random locations just by having multiple instances of the exact same teleporter target flag.
Anyway, here is my old vehicle teleporting script, if it can help you any:
Code:
(script continuous vehicleteleportingscriptlol
(if (= (volume_test_object triggervolumelol vehiclelol) true)
(object_teleport vehiclelol flaglol)
)

)
Again, if you're trying to teleport players, what's wrong with normal teles?