The implementation of an IP telephone system in a business requires the use of a very specific type of phone: The IP Telephone.
IP Phones are sometimes called VoIP telephones, SIP phones or softphones. These are just different names for a device/software client that is designed to support the transmission of voice over the internet, or what is better known as VoIP (or Voice over Internet Protocol) technology.
IP Telephones come in several types. Learn more about the different kinds of IP phones.