Convergence technologies and products have been around for many years but their full acceptance by the general commercial world is far more recent. The benefits a converged solution brings to an organisation are many - not least the massive flexibility and new opportunities.
And the cost? There is the obvious requirement of user equipment and applications, but this will go to waste if the infrastructure required on which the converged solution is to operate is not up to the job.
A knowledge and depth of understanding of the technologies and issues that surround convergence are absolutely key to a successful solution.