The advent of technology in the communication sector has seen rapid improvements especially in the use of cellular phones over the past two or three decades. Years back, the cell phone was seen as a rarity and thus it used to be an expensive affair buying a cellular phone and executing outgoing and incoming calls. Also, there were very limited companies providing cellular phones in the market and most of the communication used to be through landline phones, pagers and mail services. but because of the continuous improvement in standard of livings and with the affects of urbanisation, the use of cellular phones has become a necessity now and it is found that person of any class possesses a cell phone.
The advent of the cellular phones has also led the telecommunication companies to come up with a variety of schemes to support the customers. This is majorly because of the extreme and severe competition seen among the telecom companies. The two classifications of these schemes come in the form prepaid cell phone and post-paid cell phone. While the post-paid customers have to comply with periodic billing, the prepaid cell phone customers' work with activated account with money which gets deducted based on the usage on the basis of applied schemes. The competition in terms of various schemes to provide customers with lowest calling and messaging rates possible is turning out to be beneficial.
These schemes whether prepaid or post-paid work on the basis of simple mobile sim card. The sim card has a unique identification number which also provides the user with the unique cell number and all the schemes are fed on this sim card. The simple mobile sim card enables the user to use the cellular phone with the various telecom services. Thus a sim card basically acts as a connection between the cell phone and the communication services. Some cell phones come integrated with the sim card and they are classified under code division multiple access method of accessing radio technologies. The latest internet services of 2G spectrum and 3G spectrums are also possible with the integration of sim card itself.
The use of cellular phones is forecasted to increase considerably with the cellular and telecommunication companies to fight for the survival by providing satisfaction to the customers. The necessity for the communication has also led the governments to reduce the rates of communication through various means.
The advent of the cellular phones has also led the telecommunication companies to come up with a variety of schemes to support the customers. This is majorly because of the extreme and severe competition seen among the telecom companies. The two classifications of these schemes come in the form prepaid cell phone and post-paid cell phone. While the post-paid customers have to comply with periodic billing, the prepaid cell phone customers' work with activated account with money which gets deducted based on the usage on the basis of applied schemes. The competition in terms of various schemes to provide customers with lowest calling and messaging rates possible is turning out to be beneficial.
These schemes whether prepaid or post-paid work on the basis of simple mobile sim card. The sim card has a unique identification number which also provides the user with the unique cell number and all the schemes are fed on this sim card. The simple mobile sim card enables the user to use the cellular phone with the various telecom services. Thus a sim card basically acts as a connection between the cell phone and the communication services. Some cell phones come integrated with the sim card and they are classified under code division multiple access method of accessing radio technologies. The latest internet services of 2G spectrum and 3G spectrums are also possible with the integration of sim card itself.
The use of cellular phones is forecasted to increase considerably with the cellular and telecommunication companies to fight for the survival by providing satisfaction to the customers. The necessity for the communication has also led the governments to reduce the rates of communication through various means.
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