Glossary terms beginning with C

Calculator

The basic functions addition subtraction multiplication division are included in all calculators but some offer more advanced options such as square root or trigonomic functions Some...

Calendar

Calendars also known as PIM - Personal Information Manager allow you to store information about events such as meetings or reminders e g to remind you of someone's birthday Usually an alarm can...

Call alerts

The mobile phone can alert you of events such as an incoming call or an incoming message in a number of ways The two most popular ones are vibration and ringing While vibration is pretty much...

Call barring

Also known as: Call restriction Call barring is a mobile phone feature that allows the user to set certain prohibitions on incoming or outgoing calls. This is an effective means to prevent the phone being used…

Call blocking

Call blocking is a phone feature that allows the user to prohibit incoming calls from specified callers. In practice this is the same as call barring.

Call deflection

Call deflection is a selective call divert that allows a call to be forwarded without accepting it. Call deflection can either be invoked automatically by the mobile station, or by a network interaction. It is only…

Call divert

Call divert is a handset feature that allows the user to forward or redirect all incoming calls to an alternatenumber (fixed or mobile), or to voicemail. This is a facility with many advantages, enabling the user…

Call forwarding

Also known as: CF Call forwarding is another name for Call divert.

Call holding

Call holding is a phone feature that allows the user to put an ongoing call on hold, while at the same time making or receiving a second call on the same phone. The person 'on hold'…

Call restriction

Also known as: Call barring Call barring is a mobile phone feature that allows the user to set certain prohibitions on incoming or outgoing calls. This is an effective means to prevent the phone being used…

Call return

Call return is a network service that allows a user to discover the number of the last person who called their phone. The service is activated by dialling a code, e.g. 1471 in the UK or…

Call transfer

Also known as: CT Call transfer is a mobile phone feature that allows the user to transfer a caller to another phone number. Either party in a phone call can dial a number and then exit…

Call waiting

Also known as: CW Call waiting is a phone feature that allows the user to be alerted, while they are engaged in an active call, that another incoming caller is trying to contact them. Depending on…

Caller group logo

Caller group logo is used as a means of identifying either individual callers, or members of specific caller groups. Caller group logos usually come preloaded with a mobile phone, and are saved by the user under…

Calling Line Identification Presentation

Also known as: CLIP CLIP (Calling Line Identification Presentation) is a supplementary GSM service used to show the number of a caller. When a call is initiated, the callers MSC provides the destination MSC with the…

Calling Line Identification Restriction

Also known as: CLIR CLIR (Calling Line Identification Restriction) controls the presentation of caller identity (via CLIP) in GSM networks. If CLIR is enabled, the callers MSC indicates this restriction to the destination MSC. The identity…

Calling Plan

Services offered by the wireless service provider as a package These usually include activation monthly charges per-minute voice call charges roaming terms voicemail data and international...

Camera

Some phones feature a camera that gives them the ability to work as a digital camera Often though not always the camera is also able to shoot video The most important characteristics of a camera...

Cameraphone

Also known as: Camphone Cameraphone (or Camphone) is the name used to describe a device that combines the features of a mobile phone and a digital camera. This means that a cameraphone not only functions as…

Camphone

Also known as: Cameraphone Cameraphone (or Camphone) is the name used to describe a device that combines the features of a mobile phone and a digital camera. This means that a cameraphone not only functions as…

Capacitive Touchscreen

Capacitive touch sensors are used either as buttons or on touchscreens They work by sensing the electrical properties of the human body instead of pressure and generally they don't work with a...

Car Kit

In some countries it is prohibited to use a mobile phone while driving so special accessories are sold which let you make a call without holding the phone in your hand Such accessories are sold as...

Carrier

Carriers sometimes service providers operators are the companies that sell the use of a wireless network Usually they own the network though some called MVNO do not The network consists of...

Carrier Frequency

Also known as: Carrier Signal Carrier Signal (Carrier Frequency) is a continuous signal of a single frequency, which is suitable of being modulated with (or carrying) a second information signal. This is the normal method of…

Carrier Signal

Also known as: Carrier Frequency Carrier Signal (Carrier Frequency) is a continuous signal of a single frequency, which is suitable of being modulated with (or carrying) a second information signal. This is the normal method of…

Category

Category is a group of similar content items, which together form a particular class or topic. Examples of categories are: music, logos, ringtones, games, and so on.

CC

Also known as: Country Code Country Code (CC) is the code number that identifies a given country, and that has to be dialled when making an international telephone call.

CCCH

Also known as: Common Control Channel Common Control Channels (CCCH) are uplink and downlink channels within GSM systems, and are used to communicate between MS (Mobile Stations) and BTS (Base Transceiver Stations). The CCCH are used…

CCH

Also known as: Control Channel Control Channels (CCH) are used in GSM systems to communicate signalling information between Mobile Stations (MS) and networks. Four types of control channel are used: Broadcast Channels (BCH), Common Control Channels…

CDMA

CDMA is a digital technology for transmitting data It is a general technology utilized through various standards CDMA has no limit on capacity but the base station will only connect users upon...

CDMA2000

A 3G wireless technology evolved from cdmaOne Improvements over the old standard include faster data rates always-on data service and improved voice network capacity There are three types of...

Cell

Wireless networks are comprised of many overlapping cells (the area covered by a base station). "Cell" can also refer to one or more connected base stations.

Cell Phone

Also known as: Cellular Phone Cellularphone is a device used by a subscriber for wireless communication with a cellular mobile telephone network. The subscriber will usually be able to communicate with other cellphones within the same…

Cellular Base Station

Cellular Base Station is another name for a Base Transceiver Station (BTS).

Cellular Phone

Also known as: Cell Phone Cellularphone is a device used by a subscriber for wireless communication with a cellular mobile telephone network. The subscriber will usually be able to communicate with other cellphones within the same…

CF

Also known as: Call forwarding Call forwarding is another name for Call divert.

CGS

CGS is the abbreviation of Continuous Grain Silicon, a technique developed by Sharp. With this type of display electrones behave 600 times quicker than with the use of normal silicon. Thanks to this technique thinner…

Chat function

With this function it is possible to start a chat session with a other mobile phone, comparable with for example MSN Messenger. …

Checksum

Checksum is a code used to verify data. It is created by performing a mathematical operation on all the data together, and will change according to the value of the data. Checksums are used to make…

Chipset

Mobile phones run on so-called embedded chipsets which are designed to perform one or a few dedicated functions often with real-time computing constraints They are embedded as part of the complete...

cHTML

Also known as: Compact HTML cHTML (Compact HTML) is effectively a cut down version of the regular HTML (Hypertext Markup Language) used over the Internet, which has been adapted for use with small computing devices such…

Churn

Churn is a term referring to customer turnover. The word churn is used to describe those customers abandoning a service or product, and it is particularly applied to Internet and cell-phone subscribers, who tend to often…

CIF

Also known as: Common Intermediate Format, Common Interchange Format CIF (Common Intermediate Format) describes a video resolution that is a quarter of the television drawing area. Whilst this should strictly mean 352 x 288 pixels for…

Circuit switching

Also known as: Line Switching Circuit switching (Line Switching) is a method of transmitting information (voice, video or other streamed data) between endpoints within telecommunications systems. Each individual subscriber is allocated a dedicated channel of constant…

Clamshell

The type of form factor of the mobile phone consists of 2 parts: one part consists of a speaker with a display and the other part consists of a keyboard with a battery. The two…

CLIP

Also known as: Calling Line Identification Presentation CLIP (Calling Line Identification Presentation) is a supplementary GSM service used to show the number of a caller. When a call is initiated, the callers MSC provides the destination…

CLIR

Also known as: Calling Line Identification Restriction CLIR (Calling Line Identification Restriction) controls the presentation of caller identity (via CLIP) in GSM networks. If CLIR is enabled, the callers MSC indicates this restriction to the destination…

CLR

CLR is a function or key on a mobile phone handset, which is used to remove information from the display so that new operations can be performed.

CMOS

CMOS is one of two major types of image sensor technologies used in digital cameras the other being CCD The image sensor of a digital camera serves as a digital substitute for film in ordinary...

Color depth

This refers to the number of different colors a display is able to produce A higher number results in a broader range of distinct colors It is commonly accepted that the human eye can discern up to...

Common Control Channel

Also known as: CCCH Common Control Channels (CCCH) are uplink and downlink channels within GSM systems, and are used to communicate between MS (Mobile Stations) and BTS (Base Transceiver Stations). The CCCH are used in setting…

Common Interchange Format

Also known as: CIF, Common Intermediate Format CIF (Common Intermediate Format) describes a video resolution that is a quarter of the television drawing area. Whilst this should strictly mean 352 x 288 pixels for PAL (used…

Common Intermediate Format

Also known as: CIF, Common Interchange Format CIF (Common Intermediate Format) describes a video resolution that is a quarter of the television drawing area. Whilst this should strictly mean 352 x 288 pixels for PAL (used…

Compact HTML

Also known as: cHTML cHTML (Compact HTML) is effectively a cut down version of the regular HTML (Hypertext Markup Language) used over the Internet, which has been adapted for use with small computing devices such as…

CompactFlash memory card

CompactFlash, in short called CF, is a type of memory card with a capacity between 8MB and 16GB. The CompactFlash memory card has been repressed by the SD memory card sinds 2005, because this card…

Compression

Compression is the reduction in size of data, using a finite algorithm. Compression is very useful where there are limited resources for storing or transmitting data, which is often the case with mobile phones, as they…

Concatenated SMS

Typically an SMS is 160 characters in length using Latin characters but a concatenated SMS has a longer maximum length The message is composed as a single message and the phone splits it into...

Conference Call

Also known as: 3-Way Calling 3-Way Calling (Conference Call) is a network facility that enables three or more parties to be connected together in a conference call, so that they may all speak and listen simultaneously….

Contrast ratio

Contrast ratio represents the ratio between the light intensity of the lightest colour and that of the darkest colour in a display. The higher the contrast ratio, the better the colours can be seperated from…

Control Channel

Also known as: CCH Control Channels (CCH) are used in GSM systems to communicate signalling information between Mobile Stations (MS) and networks. Four types of control channel are used: Broadcast Channels (BCH), Common Control Channels (CCCH),…

Corning Gorillla Glass

Gorilla Glass is the registered trademark for a toughened glass manufactured by U S glassmaker Corning Inc It became highly popular as a cover glass for portable electronic devices such as...

Country Code

Also known as: CC Country Code (CC) is the code number that identifies a given country, and that has to be dialled when making an international telephone call.

cps

Also known as: hZ, hertz, cycles per second Hertz (Hz) is the basic unit of frequency, one Herz being equal to one cycle per second (cps). As the Herz is usually too small a measure for…

CPU

CPU Central Processing Unit - otherwise known as a processor - is an electronic circuit that can execute computer programs Both the miniaturization and standardization of CPUs have increased their...

Crosstalk

A phenomenon by which a signal transmitted on one circuit or channel creates an undesired effect on another circuit Generally rare in modern digital wireless phone systems but not entirely...

CSTN

CSTN is the abbreviation of Color Super-Twisted Nematic and is the colour variant of a STN display. A CSTN display is a so-called passive matrix LCD. It uses red, green and blue filters to reproduce…

CT

Also known as: Call transfer Call transfer is a mobile phone feature that allows the user to transfer a caller to another phone number. Either party in a phone call can dial a number and then…

CTIA

CTIA is the International Association for the Wireless Telecommunication Industry an international organization dedicated to expanding the wireless frontier It's basically an international industry...

Custom ringtones

Phones come preloaded with a selection of ringtones yet some phones also allow the user to load a new ringtone This could be done by writing the notes in a built-in composer or by downloading the...

CW

Also known as: Call waiting Call waiting is a phone feature that allows the user to be alerted, while they are engaged in an active call, that another incoming caller is trying to contact them. Depending…

CyanogenMod

CyanogenMod pronounced sigh-AN-oh-jen-mod is a customized aftermarket firmware distribution for several Android devices Based on the Android Open Source Project CyanogenMod is designed to...

cycles per second

Also known as: hZ, hertz, cps Hertz (Hz) is the basic unit of frequency, one Herz being equal to one cycle per second (cps). As the Herz is usually too small a measure for many applications,…