I am considering switching over to VOIP for my small business. I noticed that many VoIP companies have a hotsed solution where you can log into your VoIP acount using their website. Once logged in you can listen to voice mail and adjust options like forwading voice mail messages to email and other simmilar task. Some even offer services where you can run a small "call center" and automatically distribute calls equally amounghts a group of operators.
You can also accomplish all of the above and more with an IP PBX hardware that you can buy from major vendors like D-Link. Such as:
What is the atvantage of using a hardware solution like the above D-Link IP PBX? You still have to pay the same monthly fees to the VoIP provider wheather you use their online interface or not. Do any VoIP providers offer a discount when using your own hardware?