All of these terminologies are synonymous and refer to the protocol which voice transmissions are delivered over the internet.
IP Phones use VoIP technologies for making and taking telephone calls over the internet versus over the public switched telephone network (PSTN)
Provide a brief overview of your needs / challenges or any other requirements:
How many sites or locations will need to be connected to VoIP Service?
When would you like VoIP service?
Provide the 5 digit ZIP code of the location you want VoIP: