Samsung P735 User Manual (ENGLISH) - Page 186
Multi-party calling, Phone password, PIN Personal Identification Number, Proxy server - unlock
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Multi-party calling Ability to establish a conference call involving up to five additional parties. Phone password Security code used to unlock the phone when you have selected the option to lock it automatically each time it switches on. PIN (Personal Identification Number) Security code that protects the phone against unauthorized use. The PIN is supplied by the service provider with the SIM card. It may be a four to eight-digit number and can be changed, as required. Proxy server A proxy server resides between a Web client, such as a web browser, and a real Web server and acts as an intermediary between them. When some people browse a web site, their browser is not actually connecting to the web server. The request from their browser goes to a proxy server, and the proxy server makes the request to the web server. A proxy server can improve performance for groups of users because it cache the results of all requests for a certain amount of time. If a user requests a web page that it already loaded for another user, it reloads the page instead of forwarding the request to the Web server, which can be a time-consuming operation. PUK (PIN Unblocking Key) Security code used to unlock the phone when an incorrect PIN has been entered three times in succession. The eight-digit number is supplied by the service provider with the SIM card. Roaming Use of your phone when you are outside your home area (when traveling for example). Glossary 185