As current phone systems age out, legacy telecom systems begin creaking more loudly and networks buckle under increasing mobile connectivity demands, enterprises are looking toward unified messaging infrastructures to refresh, rebuild and replace today's systems. Unified messaging is viewed as an efficient way to manage all communications--from the fax to the phone to email--and let users stay in touch whether they're in the office or on the road. The best news is that there are lots of mature products and technologies already available to bring in, so there are many options and approaches to consider.

For more on going unified with messaging:
- read this article at CIO Today