Multiple choice

Net telephony is closely linked to

  1. PSTN networks

  2. BPO centers

  3. MTNL

  4. VOIP
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Net telephony (internet-based voice communication) is closely linked to VoIP (Voice over Internet Protocol) technology. VoIP is the underlying technology that enables voice communication over internet networks instead of traditional PSTN (Public Switched Telephone Network). Services like Skype, Vonage, and other internet telephony services use VoIP protocols.

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