The study identified high rates and poor customer service as the two biggest reasons customers would consider leaving a cable provider of communications bundles. For telecom companies, customers cite the need for faster access as a primary reason for switching. Video services like AT&T's U-Verse IPTV and Verizon's FiOS are beginning to make their mark, and 2% of survey respondents are already using video services from a telecom company.

"Consumers stand to benefit most from the battle between cable and telecom," said Doriot. "Telecoms have no choice but to upgrade their systems to offer video and faster Internet because they are losing customers to cable. That should bring more choice to the marketplace, stem the price hikes, and raise the satisfaction bar for the whole industry."

Telecom companies own national wireless carriers, giving them another potential advantage in the battle of bundled services. Only 8 percent of surveyed consumers have bundles that include wireless telephone, and more consumers are dropping landlines altogether in favor of wireless telephony. The study suggests that this presents an opportunity for telecoms and another challenge for cable companies.

"Without a wireless play, cable companies aren't future-proofing their bundles, but new technologies like WiMax might change the game," said Doriot.

Though telecom companies generally enjoy better satisfaction ratings than cable companies, churn may be the biggest issue for wireless carriers. According to CFI Group's research, the top reasons customers give for switching carriers are better rates, better plans, and better coverage and reliability.

The full report is available at no charge at http://www.cfigroup.com/.