Time for new mobile messaging strategy, analysts say.

"'This is a time of incredible change in the telecom industry,' said Lowenstein, during the keynote session. 'There are just three major carriers [Sprint Nextel Corp., Verizon Communications Inc., and Cingular Wireless] today, down from six a few years ago. This is also a time of technological change. Plus there are disruptive factors, like Google, eBay and Skype.'"