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Phone Guides

Security

VoIP security hub

VoIP security covers identity, signalling, media, endpoints, administration, carrier boundaries, and the operational response to abuse.

Do not treat a non-standard port as a security control.

AI voice-call security: defend approval workflows against deepfakes

Protect business phone workflows from AI voice impersonation with independent verification, approval design, staff training and incident response.

Secure IP phones, intercoms and voice IoT devices

Apply a practical lifecycle security baseline to IP phones, door intercoms, paging devices and other network-connected voice endpoints.

TLS and SRTP for VoIP security

Understand what TLS protects, what SRTP protects, how certificates affect SIP, and what to verify in an encrypted voice deployment.