LAN telephony (sometimes called TeLANophy) use LAN systems
to transport voice communications. LAN telephone technology is a merging of
packetized voice with the high-speed data transmission ability of LAN systems.
The ability to share data networks with voice systems offers significant cost
reduction for telephone services.
LAN telephone system consists of LAN telephones, a data network, a
LAN call processing system, and a voice gateway to the PSTN. LAN telephones
convert audio into digitized packets that are transferred on the LAN to the call
processing computer (CTI system). Each LAN telephone has its own network data
address that is related to its telephone number or extension number.
LAN telephones can be integrated into computers or they can
be standard along telephones that use LAN protocols that communicate with the
systems. In 2001, there were several manufacturers producing IP telephones