These are the extensions through one can easily get in touch to his colleagues present anywhere on earth. These help in connecting several users at a time. As soon as the servers gets connected, one can bring into use the concept of IP telephony wherein the user gets in touch with whomsoever he wants to within minutes using Internet Protocols.
The Sony Ericsson Satio is known for its trendy and suave looks, apart from it mind-blowing features and easy to use applications. It is one of the few mobile phones, which have gained popularity in quite a short period of time. Its compatibility with GSM 850 / 900 / 1800 / 1900 2G and HSDPA 900 / 2100 3G networks, makes it highly sought after, especially by people who travel frequently.