For the home user it is telephone service over the internet. One of the most popular examples is Vonage. This type of service you connect an appliance to your home internet connection then you plug in your phone and away you go. The type of service I would like to talk about is SIP Trunk. A SIP trunk is similar to VOIP at home.
Generally the service I am referring to is for business and has multiple trunks. Generally there is no appliance by the SIP provider. The SIP session terminates at the business PBX. The business would use this type of service as their primary connection to the public switched telephone network in place of analog trunks or a PRI.
There are three basic types of SIP Providers.
1. The first type is the best in my opinion, but the most expensive. This type of provider will provide you a dedicated DSL or T1 connecting into their MPLS or direct connection. No other traffic will traverse this link except the Voice Traffic. This is ideal because they have full control of the data going across this connection. Read the rest of this entry »


