vonage is voice over IP, I am not sure - do they have HS interent, or do they use HS internet for voice/phone? (I haven't tried.)
I have tried satellite VPN, and the delay doesn't work well with the vpn client we use. you will have to ask your IT department if that will work with the VPN they use. There may be some VPN clients that will be okay with the delays involved.
as for cellular broadband, I am familiar with verizon and sprint. the challenge here is that even if you get a signal where you are, you may not be in teh are that had HS coverage. I work in the capital city of the state, and there is no HS verizon or sprint coverage. I can get signals from either, and it works, but it is only just about dial up speeds; so I can only use them if i really neeeeeed to. - they do work for VPN (even though not HS internet).
FOr the cellular broadband - you will want to check with their online coverage maps as well as a local rep, if at all possible. The maps aren't all that accurate.
In many rural areas, there are RF-wireless options, sometimes as well. may have to research for that, though. it is really HS, internet and it is RF broadcast, and you have to have a line of site antenna and converter. I have been through this as well before we had digital cable - worked for VPN, but it is line of sight and I was on the edge of acceptable signal strength - so any kind of rain storm or even a heavy fog would interfere with Internet.
I have satellite TV, but because I need VPN, I also bought digital cable. turned out that when I got digital cable for Internet, it was only a few dollars more for basic digital cable service, so I used that before local TV was available on satellite. Now I use cable tv only when it is storming really bad and satellite tv is out.
