Teleglobe's charges are substantially higher than for long-distance calls of equivalent length over the North American telecommunications grid, where competition and choice exist, or for overseas telecommunication calls that are routed via the United States, where competition and choice also exist.

Can we draw the following conclusion?
Teleglobe has the lowest charges categorically

Options are:
 (1). Yes
 (2). It's impossible to say
 (3). No
(3).