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.
Devices and platforms
IP phones
Remote-work VoIP: design reliable calling outside the office
Plan secure, dependable remote-work VoIP with realistic network expectations, supported devices, clear support boundaries and tested fallbacks.
Compare VoIP desk phones
Filter the Phone Guides product catalogue and compare two to four VoIP desk phones side by side using sourced specifications.
VoIP call transfers: blind, attended, and consultative transfer
Learn how blind and attended transfers work, which SIP transactions are involved, and how to troubleshoot failed transfers.
Wi-Fi voice troubleshooting
Diagnose voice problems on Wi-Fi by checking coverage, airtime, roaming, contention, packet loss, jitter, and access-point design.
VoIP phone provisioning: a practical deployment guide
Plan secure, repeatable phone provisioning with identity, configuration files, firmware, VLANs, certificates, and rollback controls.