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Blockchain-Based Caller-ID Authentication (BBCA): A Novel Solution to Prevent Spoofing Attacks in VoIP/SIP Networks

2024 · IEEE Access

Voice over Internet Protocol (VoIP) networks are vulnerable to caller-ID (caller-identification) spoofing attacks due to the open nature of Session Initiation Protocol (SIP) signaling. Caller-ID spoofing is a critical security threat in modern telecommunication systems, …