Yealink T5 Series

Yealink's T5 business phones (T56A, T57W, T58 family and friends) are fully supported: zero-touch provisioning, central key management, and all three connection modes — LAN, SBC and the built-in OpenVPN client for individual remote phones.

Provisioning

Assign the phone to a user with its MAC address (overview), then point the phone at your provisioning URL (Yealink web UI → Settings → Auto Provision, or via your DHCP option 66 on the LAN). The phone pulls a boot manifest plus its model-common and per-device configuration and registers.

Exovo provisions Yealinks in non-destructive mode: settings the system doesn't manage keep their values instead of being reset to factory defaults on every re-provision — which is what keeps a Wi-Fi-connected T5 from losing its Wi-Fi credentials when you push a key-layout change.

Keys and display

Line keys and BLF layout come from the user's key configuration in the console — BLF presence, speed dials, shared parking, queue login and status keys all render onto the phone's DSS keys. Display defaults (language, 12/24-hour time, date format, backlight, screensaver, power-LED behavior) and ringtones (separate defaults for direct calls vs queue calls, so agents can hear the difference) are provisioned too, and adjustable per phone.

Transfers via DSS keys default to blind transfer; switch to attended in the phone's options if your team prefers to announce.

Remote use

• Behind an SBC — pick the SBC when assigning the phone; done.
• Via VPN — choose the VPN connection type and the phone receives its OpenVPN bundle automatically at provisioning time; no manual certificate handling.

Firmware and maintenance

Admin → Phones flags available firmware and can push upgrades, reboot, or reprovision — most configuration changes apply without a restart. The phone's own web UI is one click away via Device Web Console, auto-logged-in with the admin password the system generated.