Yes to Unified Messaging...between VIP and Mobile Messaging they have it well covered.

The site does show everything...but not a list..you will need to search the various rollouts.

SIP trunking is huge....every customer i talk to is interested....i analyzed a bill yesterday......it is currently $800 / month with a CLEC....i can take them to around $300.

If they are with the ILEC the savings are even more dramatic.