More on how converged networks mean I could get my cellphone ringing on my PC, my homephone ringing on my Wi-Fi enabled cell phone etc.?

The initiative shows that, however reluctant some cellcos have been to embrace Wi-Fi and the potential erosion of GPRS/3G revenues, there is now a critical mass of operators that realize multiple networks are the way of the future. Wireline and full service carriers such as BT and France Telecom are also moving rapidly towards converged next generation networks and services that support cellular, wired telephony, Wi-Fi and Bluetooth. Wi-Fi/cellular hand-off standard proposed :: Voip User ::

Be interesting to see some mobile operators provide some SIP interconnect packages. At least then i could effectively use my cellphone number on my computer at home. This is not a new thought.

"We believe SIP-based instant messaging on the fixed Internet could take off as fast as SMS and create a significant market for SMS to SIP gateways. In this scenario, it is likely that mobile operators will benefit most from SIP deployment." Session Initiation Protocol: SIP