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Welcome!
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.
Yealink T56A
)
Yealink T58A/V
)
Yealink EXP50
)
Subject to alterations
Version 1 / 09.2018 (en)
| Type | Icon/Character | Description |
| NOTE
CAUTION
WARNING |  | NOTE: Information that is useful but not critical to the reader.
CAUTION: Tells the reader to proceed with caution.
WARNING: Stronger than CAUTION; means "don't do this" or that this step could be irreversible, e.g., result in permanent data loss. |
| TIP |
| Useful tips that provide additional information. |
| Procedure | 1. 2. 3. | Procedures are numbered steps to perform an action, where the order of the steps is relevant. |
| Result of procedure/action | ⇒ | Indicates the result of an action//procedure. |
| Lists | • • | Used for listings and items where the order of steps is irrelevant. |
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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.
General guidelines
Keep the device dry and clean at transport, storage, and usage.
Avoid collisions and drops of the device at transport, storage, and usage.
Do not open the device case and do not try to repair the device on your own.
Guidelines for usage and operation
Check whether the power supply voltage is in accordance with the device's voltage.
Pay attention to dry hands before using a cable.
Do not spill liquids on the device.
Guidelines for cleaning
Disconnect and unplug the device from the power supply before cleaning.
Use a soft, dry, antistatic cloth to clean the device.
Please note that video conferences will not be supported
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.
Activation of this function is subject to fees.
-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.
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In order to use this IP telephone with your telephone system you will need a sound broadband connection.
If you only have a single circuit plug available (e. g. in home offices) but would like to access the Internet with your laptop while using the phone, connect the laptop to the circuit plug on the phone.
All telephones you receive are preconfigured and connected to the telephone system.
Find further information on how to install an extension in the Administration portal manual.
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Where can you get help?
You can use various sources for help concerning your issues. Please use them in the order suggested here:
| 1&1 Versatel GmbH | Wanheimer Straße 90 40468 Düsseldorf www.1und1.net |
| doc.1und1-businessphone.de/en | In your 1&1 business phone customer portal you can find an overview of all documentation, downloads, blogs and portals as well as help pages and further information. |
| admin.1und1-businessphone.de | The admin portal contains various links to manuals, brief instructions, software downloads and templates. Please read these manuals thoroughly. They help you get the most out of your telephone system. |
| Realisation hotline
| If neither the manuals nor the FAQs or other contents of the website provide a solution, you can open a support ticket by phone. Our staff is available Monday to Friday at +49 461 50508015 for via email dl-realisierung-gf@1und1.net.
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