C&W have a very long history, including being the national Government of a number of territories and was the telecoms operator for large portions of the planet. Calling them a former cable operator, which they only did for a few years, is a little unfair.

http://www.answers.com/topic/cable-and-wireless-plc

From the network that brought you the first 2G to 3G VoIP core call (woot to BICC and MPLS), it'll be interesting to see where C&W, Cisco and Ericsson go with this network. . .