Season 8 [eight] of Stargate SG-1 had an episode that utilized the teleportation technology quite often.
In the episode, the commander of the SGC [General O'niell - 2 L's] and the Asgard Thor used the beaming technology to visit the President, and many other things. I never managed to finish seeing the episode because it was on TV [no Season-8 DVD yet] and I had other errands to do.
But then again, such technology is a double-edged sword. Especially for a volatle species like us. In one episide, a rogue, underground human element [known as the Trust] used the beaming technology to steal the Stargate from the SGC and used it to send chemical missles to the go'uald-occupied homeworlds [killing many would-be-rebel Jaffas in the process as well as Tok'ra operatives].
As you can see, I have seen too much Stargate episodes.
