Corporate APP
1. Check the connection between power jack of AC adapter and the phone. Make sure it's securely connected.
2. Plug the AC adapter into power outlet on the wall, if it's not plugged in.
3. Please check the status of power outlet, maybe it's not powered.
4. Disconnect the power jack and A/C adapter, and reconnect it again after about 10 seconds.
5. Press "SPEAKER" button on the phone, or lift handset. If you can hear dial tone, please return this IP phone to your dealer.
6. If the problem can not be solved by solutions listed above, please contact your dealer of purchase for assistance.
