Northern Colorado Voip, Denver and Fort Collins

History 1974  The Institute of Electrical and Electronic Engineers (IEEE) published a paper titled “A Protocol for Packet Network Interconnection.” 1981  IPv4 is described in RFC 791. 1985  The National Science Foundation commissions the creation of NSFNET. 1995  VocalTec releases the first commercial Internet phone software. 1996  ITU-T begins development of standards for the transmission [...]

Product DescriptionThis book explains why people and companies are converting some or all of their existing (legacy) telephone systems from dedicated telephone systems (such as proprietary PBX) to more standard IP telephony systems. These conversions allow for telephone bill cost reduction, increased ability to control telephone services, and the addition of new telephone information services. [...]