"We haven't heard a 'boo' from anybody since CTM was put in place," Holden said, noting that her staff no longer must spend significant time logging complaints into the project management software.

Perini is considering using other Converged Access products next year to compress VOIP traffic between global offices, especially in Iraq, Afghanistan and several U.S. locations, she said.

The market for WAN traffic management is growing, since customers can see sizable results from a relatively small investment, said Matthias Machowinski, an analyst at Infonetics Inc. in Campbell, Calif.

The market for such products is small compared with the overall routing market and is currently valued in the "low hundreds" of millions of dollars annually, he said.

Other companies offering such tools include Packeteer Inc., Allot Communications Inc., Expand Networks Inc., Peribit Networks Inc., which was recently purchased by Juniper Networks Inc., and Swan Labs Corp., which was recently purchased by F5 Networks Inc.