http://empireminecraft.com/wiki/commands/ You can /v (name) to someone else's res, /fnether to the frontier nether, /frontier to frontier, /waste and /nwaste. Those are the main teleporting commands. Others can be found at the link above.
If you were looking for feature signs, click above. Otherwise, look at Keliris's post. I didn't make this video, credits to the Empireminecraft youtube channel.
