Tiptel.com GmbH is a high-technology company working in the field of telecommunication, and situated in Ratingen near Düsseldorf. Tiptel.com has 40 employees developing the following: Feature and cordless phones Answering......Tiptel.com GmbH is a high-technology company working in the field of telecommunication, and situated in Ratingen near Düsseldorf. Tiptel.com has 40 employees developing the following: Feature and cordless phones Answering machines CallManager and VoiceMail-systems Telephone systems VoIP solutions TIPTEL acts according to the following guidelines: Development of products in line with market conditions Production of the highest quality Excellence in design.