There are a number of different websites and locations that offer more information regarding Siemens Gigaset phones and amazing deals on the products. The best thing to do is to review several sites for products and prices, compare costs (including shipping rates) and then purchase from a company where you are most comfortable.
In store:
You can find some of the Siemens Gigaset models in traditional electronics stores. This can give you an opportunity to experience the phone in person before you make your purchase. Purchasing in store will also give you the opportunity to discuss your purchase with an experience salesperson and also allow you to deal locally with the same person if a problem arises.
On line:
Online purchases can offer a better deal on your phone because of the lower over head costs. It can also be easier to compare prices online.