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Which of the following statements are true about a smartphone? Each correct answer represents a complete solut

Which of the following statements are true about a smartphone? Each correct answer represents a complete solution. Choose two.

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A.
It allows the user to install and run more advanced applications based on a specific platform.

B.
It can be simple software-based Softphones or purpose-built hardware devices that appear much like an ordinary telephone or a cordless phone.

C.
It allows telephone calls to be made over an IP network.

D.
It is a mobile phone with advanced PC like capabilities.

Explanation:
A smartphone is a mobile phone that offers more advanced computing ability and connectivity than a contemporary basic feature phone. A smartphone is a mobile phone with advanced PC like capabilities. Blackberry and iPhone are the two most popular brands of smartphones. It allows the user to install and run more advanced applications based on a specific platform.

Answer options C and B are incorrect. An IP phone uses Voice over IP technologies, allowing telephone calls to be made over an IP network such as the Internet instead of the ordinary PSTN system. Calls can traverse the Internet, or a private IP Network such as that of a company. The phones use control protocols such as Session Initiation Protocol, Skinny Client Control Protocol, or one of the various proprietary protocols such as Skype. IP phones can be simple software-based Softphones or purpose-built hardware devices that appear much like an ordinary telephone or a cordless phone. Ordinary PSTN phones are used as IP phones with analog telephony adapters (ATA). Following is an image of an IP phone:


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