Companies are converging their IP VPNs at an ever increasing rate.
Currently over 600 Orange Business Services customers use their VPNs to transport voice and data. Some use a do-it-yourself
model, others use a fully
managed model. If you're looking for value, however, the fully managed approach
is the less costly and higher quality alternative. That's because of the costs
and effort associated with the three major components of a convergence strategy.
> why not do-it-yourself VoIP?
> operation, administration and management
> interconnection between IP and TDM PBXs and the PSTN
> VoIP security