1.Role of IP Telephony for voice and data networks
Answers
Answer:
IP telephony technology uses packet-switching to minimize the amount of resources used in a telephone connection. The telephony application digitizes and compresses the analog voice signals. This data is then transmitted as a stream of packets over an IP network.
Answer:
Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. The terms Internet telephony, broadband telephony, and broadband phone service specifically refer to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the Internet, rather than via the public switched telephone network (PSTN), also known as plain old telephone service
Explanation:
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