AT&T sells good audio conferencing service in Boston and many other places. You can either go into one of their many stores or check out their website. There is a number on the website so that you can call and talk to a representative if you don't want to go into the store and talk to someone about the service you are looking into from them.
Skype has good audio conferencing. You should also look into Microsoft's audio conferencing software. I believe they are the best.
Several name brands such as Samsung, Sony and Dell make good audio conferencing providers. You can also check CompUSA.
Anymeeting, Skype and Cisco are good online and web conferencing services. You can find more information about their services on their official websites.
There are a lot of ways to get a good phone conferencing service. If you are already in a business, someone in your work might know a good service. There are many services online that you can look at. Reviews from people might show you what the best service is.
A good teleconferncing company is one that is provides all the voice mails,web conferencing, and webcasting, and audio that you need www.conferenceplus.com/
Verizon offers great Residential Phone Service in Boston
boston-plastics.com offer such services and their pricing is very reasonable
Verizo has some of the best quality service phone, around the world.
While the new iPhone is good for video conferencing, you still will need to be in a good location with minimal interference. I wouldn't totally rely on that if you have a very important meeting just in case.
Use Skype.
Conferencing solutions are becoming increasingly popular in the globalised world. Companies that provide good solutions include ConferenceSpot and Condeco.
There are several brands that make good subwoofers for vehicles. Some brands you may consider are JL Audio, Alpine, Rockford, Pioneer, or Boston Acoustics.