The Siemens Business Comm. S30853-H3100-R301 Hybrid Desktop Phone is a product by Siemens that offers the flexibility of VoIP and fixed line communication. It is also known as the Gigaset DX800A all in one hybrid phone.
Key Features
- Gigaset DX800A all in one hybrid phone
 - Communication via VoIP and fixed line - an all-in-one solution
 - Choose how to make a call - internet (VoIP) up to 6 SIP-accounts & analogue (1 PSTN-connection)
 - Large 3.5" TFT color display (3.5 inch)
 - 6 programmable keys
 - Expandable to a cordless PBX
 - Current Gigaet S/SL class, C610H is recommended
 - Internal calls in full HDSP quality
 - 4 External calls possible simultaneously
 - WEB interface/ online - features
 - PC connection via ethernet and Gigaset QuickSync
 - Synchronize directory with Outlook
 - CTI support (dial from Outlook, talk via base)
 - Operating systems: Windows XP, Vista, Windows 7, MacOS X 10.4.9 and higher
 - Search in directory and yellow pages
 - Reverse search via telephone number
 - Automatic caller search with name, number and address display
 - 2 Simultaneous Bluetooth connections, i.e. via headset and mobile phone
 - Link2mobile
 - Register up to 5 mobile phones
 - Accept and make calls for mobile phone
 - 3 answering machines - up to 55 minutes recording time, operates via base station and handset
 - DECT 6.0 interference free communication
 - Supports email notification and info services (RSS feeds, various news topics, weather forecast, etc)
 - ECO DECT with different energy saving features (night mode, switchoff DECT)
 - Compatible Gigaset cordless handsets include C610 and S820