DTMF (Dual Tone Multi-Frequency) is the tone-based signaling system used by telephones, where each button on the keypad produces two distinct frequencies to send numbers to a switch or PBX system.
Zero Day refers to a software vulnerability that is unknown to the developer and can be exploited by hackers before a fix is made, posing a serious security risk.
Zero-Touch Provisioning is a method of automating the setup of devices, such as routers or phones, without manual intervention, allowing for faster and more efficient deployment.
ZRTP is a protocol for securing VoIP communications by encrypting voice calls, ensuring that conversations remain private and protected from interception.
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