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This follows Yealink's RoomCast E2 documentation dated January 20, 2026. Its wireless-AP browser instructions give https://192.168.144.1 as an example, not a guaranteed factory address. Confirm the current device address first.

Open this local interface

Yealink gives https://192.168.144.1 as an AP-access example. Use it only if it matches the confirmed current device address. On the existing authorized RoomCast E2 connection, use the AP name and Wi-Fi password shown on the display; otherwise use the owner-confirmed management route.

The AP password and web administrator password are separate. Use the current administrator account; the documented initial password is changed during setup. Network Isolation can prevent AP clients from reaching the web interface.

Read the existing Wi-Fi status

Open Network → Wireless Network. Read the existing Wi-Fi status: Yealink documents connected after a successful network connection. Report the displayed state to the owner without initiating a new connection.

Preserve the presentation network

Leave Wi-Fi, hotspot, isolation and address settings unchanged. Do not scan, reconnect, optimize channels or change passwords for this check. If access is blocked, ask the owner to confirm the approved management route.

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Sources & further reading
Yealink RoomCast E2 — Set Up a Yealink RoomCast E2, January 20, 2026 Yealink RoomCast E2 — Wireless Network, January 20, 2026