We are about to move our business to new premises and I am currently in the process of sorting out the phone lines and internet. My plan is to have 2 analogue lines installed and have BT Broadband on one line and then use a different ISP for the other which will work as a backup and will also be utilised for VOIP traffic.
When I ordered the lines with BT and explained my plans to use 2 ISPs the operator went off on one and couldn't understand why I'd want to use any one other than BT as my ISP for both lines. He kept going on about how it is all the same equipment so if BT has a problem then everyone has a problem.
I understand that if the BT Exchange blew up then it wouldn't matter what ISP I was with its not going to work but I thought there was a lot more to it than that, DNS servers etc.
Am I right in thinking there is a benefit to using 2 separate ISPs or am I being stupid?