ip telephony

Conduct a web search for the keywords “IP telephony” or “telephony.” Then complete the following:

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Get the references of 3 sites that come up with the best, most informative results.

Based on the scanning of these 3 sites:

Summarize a one-paragraph description (of at least 250 words) of what IP Telephony means; provide which source was used precisely where in the paragraph, by providing the article author’s last name, year of the publication of the article or the last modified date of the website, and the page or paragraph number where the citation can be found. Use the following format (authorLastName, year, p.# or para.#).

List 3 examples of services that use IP Telephony, with a short description of each service.