Open doors to communication
Because Communication Is Life. And Vice Versa.
PORTA is the Swiss collection of AAC signs. Connectable to spoken language and sign language, PORTA opens the door to any language development.
Important PORTA Links
More Information About PORTA
FAQ PORTA App
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FAQ sull'app PORTA
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Hinweise zum Gebärden
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Note sull'uso dei segni
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Our signing history
Tanne Signs: The Collection Before PORTA.
Around 450 Tanne signs have been developed by 2015. The print version is out of print. Individually, however, Tanne signs are still needed. At Tanne and elsewhere.