SSS Siedle is an intercom manufacturer from Germany. The company has 300 over years of history. Since 1887 the company actively manufactures telephony equipment.
In 1935 SSS Siedle invented the first audio intercom in the world – Portavox which remained in production for more then 40 years.
Now the company continues to manufacture unique luxury intercoms for use in large to small scale properties.

SSS Siedle manufactures two systems of intercoms – analog/hybrid In-Home Bus system and IP intercom system called Access. Both systems have all modern features including remote door control over internet etc.

The system also can be used by people with vision or hearing problems. The features like visual indicators on the door station and handset with bone conduction allow that.

There are three design lines which in addition can be custom-painted and custom modified according to the customer requirements: Siedle Classic (with much reference to Portavox design), Siedle Steel and Siedle Vario.