Interesting resume by KPMG:

Third, and perhaps most critical, the consumers surveyed are generally not willing to pay much of a premium over their current service bill to access such advanced multimedia converged services, meaning convergence is unlikely to provide carriers with a definitive cash cow 'killer app'.
A reluctance to pay large premiums for new services is a function of several trends - the general 'Internet-ification' of the service market, where content is perceived as (virtually, if not explicitly) free, and a fiercely competitive telecoms environment in which carriers quickly commoditize service offerings in exchange for market share and as a result pass price sensitivity on to ever-wiser digital consumers.

Local Copy: KPMG: Consumers and Convergence, Challenges and opportunities in meeting
next generation customer needs