3
Please note that video conferences will not be supported
2. Encryption
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.
C. Initial Operation
1. Requirements & Information
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.
2. Adding an extension
D. Operation
1. Basic Functions
1.1 Overview of Keys
