Which technology describes delivering voice communications over the Internet by converting voice into digital packets?

Which technology describes delivering voice communications over the Internet by converting voice into digital packets?

• A. VoIP
• B. PSTN
• C. ISDN
• D. DSL

Answer: (A)

Voice over IP describes delivering voice communications over the Internet by converting your voice into digital packets. In VoIP, your speech is captured, encoded with a codec, and broken into small digital packets that travel over an IP network. At the receiving end, those packets are reassembled and decoded back into sound. This packetized approach lets voice share the same network as data and enables signaling methods like SIP or H.323. The other options refer to traditional or separate services: PSTN relies on fixed circuit paths for voice; ISDN provides digital channels but not inherently voice over IP; DSL is mainly a data service over telephone lines.

Voice over IP describes delivering voice communications over the Internet by converting your voice into digital packets. In VoIP, your speech is captured, encoded with a codec, and broken into small digital packets that travel over an IP network. At the receiving end, those packets are reassembled and decoded back into sound. This packetized approach lets voice share the same network as data and enables signaling methods like SIP or H.323. The other options refer to traditional or separate services: PSTN relies on fixed circuit paths for voice; ISDN provides digital channels but not inherently voice over IP; DSL is mainly a data service over telephone lines.