Why is the message "Reduced functionality " after registration of an additional SL910?

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The software versions of the base station and the handset are not compatible. A compatibility update is necessary.

For this update Gigaset Quick Sync Software is required:

Windows: Version 8.2.xxx or later
Macintosh: Version 3.02 or later
Download: https://www.gigaset.com/es_es/cms/ayuda/downloads.html

With this guide, you will be guided step by step through the update.

Compatibility Update Gigaset SL910/SL910A/SL910H

If there is no possibility to process the update, please contact the Service hotline. In this case the base station and handset must be repaired in the repair center.