\ˈɪp təlˈɛfənˌi], \ˈɪp təlˈɛfənˌi], \ˈɪ_p t_ə_l_ˈɛ_f_ə_n_ˌi]\
Definitions of IP TELEPHONY
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(IPT, Internet Telephony) Use of IP dataconnections to exchange voice and fax data that havetraditionally been carried over the public switched telephonenetwork.During the late 1990s, an increasing number of telephone callshave been routed over the Internet. Calls made in this wayavoid PSTN charges. Unlike traditional telephony, IPtelephony is relatively unregulated.Companies providing these services are known as InternetTelephony Service Providers (ITSPs). They include telephonecompanies, cable TV companies and Internet Service Providers(ISPs).There are still many problems with voice quality, latency,compression algorithms, and quality of service.Voice over IP is an organised effort to standardise IPtelephony.See also Computer Telephone Integration.Internet Telephony Overview(http://fokus.gmd.de/research/cc/glone/projects/ipt/).
By Denis Howe
Word of the day
- legal doctrine stating person receives money or other through no effort of his own, at expense another, recipient should return to rightful owner, even if property was not obtained illegally. Most courts will order that the be returned party who has suffered loss brings a lawsuit. 1. Benefit retention with no consideration of return where it can be reasonably expected. 2. Money obtained that is not a gift the beneficiary needs to make restitution for.