This manual helps you to optimize the usage of the IP telephone in combination with the PBX. Please use this manual at initial operation. Some features differ from the features described in the manufacturer's documentation.

The following pages describe the Yealink T56A und T58A/V telephones.

Subject to alterations
Version 1 / 09.2018 (en)

The device was produced in accordance with the most common security standards. Nevertheless, note the safety guidelines in order to use the device securely. Please note the following safety guidelines to lower risk of burning, electric shocks, and similar risks.

1. Keep the device dry and clean at transport, storage, and usage.
2. Avoid collisions and drops of the device at transport, storage, and usage.
3. Do not open the device case and do not try to repair the device on your own.

1. Check whether the power supply voltage is in accordance with the device's voltage.
2. Pay attention to dry hands before using a cable.
3. Do not spill liquids on the device.

1. Disconnect and unplug the device from the power supply before cleaning.
2. Use a soft, dry, antistatic cloth to clean the device.

You have the option of voice encrypting (SRTP) your telephone calls. You can activate this function for your customer account via the administration portal at any time.

-Activate the function on the administration portal.

-Restart all telephones. Restarting may take a few minutes. During a conversation a lock icon on the telephone display indicates encryption is activated.

⇒The active call is now encrypted.