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Corporate Wireless IP Telephony

open access: yes, 2005
IP telephony is defined as the transport of telephony calls over an IP network. IP telephony exploits the integration of voice and data networks. However, enterprises are still reluctant to deploy IP telephony despite the potential increase in productivity and reduction of costs.
openaire   +1 more source

Trend and Technology of IP Telephony.

open access: yesThe Journal of The Institute of Electrical Engineers of Japan, 1999
openaire   +2 more sources

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