Mobile Phone Functions.

Call Sri Lanka through a mobile phone from the U.S.A or call USA from Sri Lanka is little more expensive than the land line call charge. But you can make the call as a private one and can call from any desired place with others not listening to your phone conversation. It is better to have the latest Smartphone which is also called as 3G phone. They can provide you with VoIP calls and Skype calls through internet connection using your W-Lan or Wi-Fi hotspot connection. With this connection if both parties have the Smartphone can make video calls and even multi party conference calls too. But when you are going to buy a mobile phone the seller will give you the phone catalogue where you can find many words that are unknown to you. Sure most of the mobile phone users even don't know more than 25% of their Smartphone's available facility. Here are some of the definitions that can be useful for you to know when you are going to buy a mobile phone.

SMS Text messages.
All the mobile phones have the facility to send and receive SMS Text messages. (Short text messages) In most part of the world it is called as SMS and in America it is called as text messages. Normally you are allowed to send and receive 160 characters with out any trouble. Modern hand phones have the facility to send longer messages are sent as two or more messages. To send and receive SMS text messages, the correct message centre number must be stored in your mobile phone. Normally, the service number is set by default through your SIM card from the mobile phone service provider.. To set the number manually in you mobile phone, select first the Menu > Messaging > Message settings > Text messages > Message centers > Add centre, and enter a name and the number from the service provider.

Multimedia messages. (MMS)
All the latest mobile phones are coming with MMS facility. Multimedia message is made to send and receive text, pictures, and sound or video clips. In the latest phone MMS also arrives in the common inbox with the SMS text messages. The appearance of one message may different form one device to other. Your career can limit the file size and some mobile phones can automatically resize the file to suite the required size. There are chances for you to have MMS with malicious software or may be harmful to your device or PC. To activate the multimedia messaging service (MMS), you must contact your mobile phone service provider. Also you will need to download the configuration settings.

WCDMA.
A 3G cellular technology that uses the CDMA air interface is called as WCDMA .All GSM operators use HSPA for data, which is based on WCDMA and keep GSM for voice transfer. WCDMA (Wideband Code Division Multiple Access).

Quad band, GSM 850/ 900/ 1800 /1900.
If any mobile phone has this quad-band, then it can work in most part of the world if the owner takes it with him while on travelling.

16M color Display.
16M color Display means 16m = 16,000,000 they are the number of colors the phone can support.
64k = 64,000
256k = 256,000

Full QWERTY key board.
You can type in your mobile phone like you type in your PC’s keyboard. QWERTY is taken from the first six keys of a standard keyboard.

3.2 MP Camera.
3.2-megapixel camera that gives you dots of pixels in a photo. The more these pixels the more prefect clear pictures you will get. There are phones coming with 8.5 Megapixel cameras.

LED FLASH.
Led Flash comes with all latest mobile phones. The LED flash gives light to capture images in the dark. If your object is within a meter then you have chance to get good photos. Many top model Smartphone comes with dual LED flash. The best Smartphone comes with 'Xenon' flash which is much got better illumination than the LED flash.

Video.
The mobile phone will allow you to make video clips.

MP3, MP4.
This mobile phone will allow you transfer MP3 and MP4 files, and will allow you to listen them using the mobile phone.

Stereo FM radio.
There are two speakers in the mobile phone and it will allow you to listen to stereo FM stations in stereo or mono mode.

3G.
The mobile phone can work with 3G network where file downloading from the internet is very fast.