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2. Voice over IP - Wikipedia

   en.wikipedia.org/wiki/Voice_over_IP

   Government and military organizations use various security measures to protect VoIP traffic, such as voice over secure IP (VoSIP), secure voice over IP (SVoIP), and secure voice over secure IP (SVoSIP). [50] The distinction lies in whether encryption is applied in the telephone endpoint or in the network. [51]

3. Session border controller - Wikipedia

   en.wikipedia.org/wiki/Session_border_controller

   A session border controller (SBC) is a network element deployed to protect SIP based voice over Internet Protocol (VoIP) networks. [1]Early deployments of SBCs were focused on the borders between two service provider networks in a peering environment.

4. Voice phishing - Wikipedia

   en.wikipedia.org/wiki/Voice_phishing

   Voice phishing, or vishing, [1] is the use of telephony (often Voice over IP telephony) to conduct phishing attacks.. Landline telephone services have traditionally been trustworthy; terminated in physical locations known to the telephone company, and associated with a bill-payer.

5. VoIP spam - Wikipedia

   en.wikipedia.org/wiki/VoIP_spam

   VoIP spam or SPIT (spam over Internet telephony) is unsolicited, automatically dialed telephone calls, typically using voice over Internet Protocol (VoIP) technology. [1]VoIP systems, like e-mail and other Internet applications, are susceptible to abuse by malicious parties who initiate unsolicited and unwanted communications, such as telemarketers and prank callers.

6. Secure Communications Interoperability Protocol - Wikipedia

   en.wikipedia.org/wiki/Secure_Communications...

   SCIP was designed by the Department of Defense Digital Voice Processor Consortium (DDVPC) in cooperation with the U.S. National Security Agency and is intended to solve problems with earlier NSA encryption systems for voice, including STU-III and Secure Terminal Equipment (STE) which made assumptions about the underlying communication systems ...

7. VoIP recording - Wikipedia

   en.wikipedia.org/wiki/Voip_recording

   Voice over Internet Protocol (VoIP) recording is a subset of telephone recording or voice logging, first used by call centers and now being used by all types of businesses. . There are many reasons for recording voice over IP call traffic such as: reducing company vulnerability to lawsuits by maintaining recorded evidence, complying with telephone call recording laws, increasing security ...