It is a device capturing and controling all the signals, which are being created by the whole system, especially the made and received phone call signals. The device is mostly used for connecting regular phone system with the Internet and backwards.
Siemens Gigaset SL400H is one of the finest designer phones equipped with modern technology. The device has a compact size, looks modern and expensive. Body and buttons of Siemens Gigaset SL400H are made of metal, are nicely lit up and give a stylish look. The large color display is not only safe for the eyes, but also very functional.