QCM or any softphone for Blackberry?

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HI:

Since the Blackberry is so popular in business, I was wondering whether there is a plan to have a QCM version for the Blackberry?
If not, do you know of any softphone for the Blackberry. I couldn't find one under the Blackberry apps.
Yes, this will be in hot demand since Fixed Mobile Convergence is really kicking in. We need only one phone ie. a smartphone (pda). See: http://fixed-mobile-convergence.tmcnet.com/
I will open another thread on this since I have more questions on Blackberry MVS.

Thanks for your help

Toon