Prepay mobile phone

Typical signs showing where top-ups can take place

A prepay mobile device (also commonly referred to as pay-as-you-go (PAYG), pay-as-you-talk, pay and go, go-phone or prepaid) is a mobile device such as a phone for which credit is purchased in advance of service use. The purchased credit is used to pay for telecommunications services at the point the service is accessed or consumed. If there is no credit, then access is denied by the mobile network. Users can top up their credit at any time using a variety of payment mechanisms. The alternative billing method (and what is commonly referred to as a mobile contract) is the postpaid mobile phone, where a user enters into a long-term (lasting 12, 18 or 24 months) or short-term (also commonly referred to as a rolling contract or a 30-day contract) billing arrangement with a mobile network operator or carriage service provider (CSP). "Pay-as-you-go", "PAYG", and similar terms are also used for other non-telecommunications services paid for in the same way.

Overview of the prepay service

A prepay mobile phone provides most of the services offered by a mobile phone operator. The big difference is that with prepay phones, payment for service is made before use. As calls and texts are made, and as data is used, deductions are made against the prepaid balance amount until there are no funds remaining (at which time, service is no longer available). A user may avoid such a break in service by making payments to increase the remaining balance.

Methods of payment:

• Credit card or debit card^[1] or online payment processors such as PayPal or SafetyPay.
• Direct draw from bank account using an ATM^[2][3][4]
• Retail store purchase with a "top-up" or "refill" card at retail. These cards are stamped with a unique code (often under a scratch-off panel) which must be entered into the phone in order to add the credit onto the balance.
• Retail store purchase using a swipe card where the balance is credited automatically to the phone after the retailer accepts payment.
• Retail store or online purchase: a person can top-up a prepaid phone in another country by asking for "international top-up". Often, migrant workers will send prepaid top-up internationally as a form of support.
• Other mobile phones on certain networks which provide international top-up services, where the initiator of the top up is often a migrant worker wanting to add minutes to the prepaid mobile phone of a family member back home.
• Direct from some open-loop prepay cards featuring a mobile refill service.
• Through electronic reloading where a specially designed SIM card (retailer's SIM card as used to define in the Philippines and India) is used to reload a mobile phone by entering the mobile number and choosing the amount to be loaded. This process is widely implemented in the Philippines and India so that any person can be a prepay load retailer, creating a nationwide availability of reloading stations, even in remote areas.

Credit purchased for a prepay mobile phone may have a time limit – for example, 120 days from the date the last credit was added. In these cases, customers who do not add more credit before expiration will have their remaining balance depleted through expiration of the said credits.

There is no compulsion on a prepay mobile phone user to top up their balance. To maintain revenues, some operators have devised reward schemes designed to encourage frequent top-ups. For example, an operator may offer some free SMS to use next month if a user tops up by a certain amount this month.

Unlike postpaid phones, where subscribers have to terminate their contracts, it is not easy for an operator to know when a prepaid subscriber has left the network. To free up resources on the network for new customers, an operator will periodically delete prepay SIM cards which have not been used for some time, at which point, their service (and its associated phone number) is discontinued. The rules for when this deletion happens vary from operator to operator, but may typically occur after six months to a year of non-use.

By 2003, the number of prepay accounts grew past contract accounts, and by 2007, two thirds of all mobile phone accounts worldwide were prepay accounts.^{[citation needed]}

History

The history of the prepaid mobile phone begins in the 1990s, when larger markets were being sought after by the mobile phone operators. Before this date, all mobile phone services were offered on a post-paid basis, which excluded people with a poor credit rating.

Prepaid mobile service was invented by Subscriber Computing, Inc., an Orange County company, (1986-1998), founded and directed by Arlene Harris.  The patents covering this invention are US-5291543-A, filled 12/5/90 and awarded in 9/15/92; and US-5148472-A, filed 6/24/92 and awarded in 3/1/94.  These patents describe the ability to access the cost of a call and deduct the cost of the call from the user’s account balance in near real time. If the user’s balance is below the carrier-defined threshold, the next call that the user makes is routed to an Interactive Voice Response (IVR) device that announces to the user that the account balance is low and suggests they add funds to the account so their service is not interrupted. When the user’s account balance is depleted, the service is suspended until they added funds to their account. If the user’s account balance is depleted, all call attempts are routed to the IVR.

The prepaid service was sold to Metro Mobile in June 1989, and it was implemented in November 1989.

The prepaid service was also sold to carriers in Mexico; Celcom in 1994, and implementation took place in Monterrey, Mexico, and to Telcel, where implementation began in November 1997 and production took place beginning on April 15, 1998.

Ericsson also became a partner in the prepaid service; the Memorandum of Understanding (MOU) was signed in June 1997 and the final agreement was signed in late 1997.  The announcement was made on January 26, 1998 (or listen to it).  

Prepaid service enabled carriers in third world countries to add subscribers without having to print monthly statements, having an accounts receivable department and the ability to add subscriber's without concern for their ability to pay their bill. “Without prepaid service, cellular service would not have reached the masses as quickly and extensively as it has.”  (David Freese, prepaid service patent holder).

The first pre-paid card was called "Mimo" and was launched by TMN, the mobile phone operator of Portugal Telecom, in September 1995.^[5] In 2006 Swisscom celebrated ten years with its product and service "NATEL(R) easy" which also holds a patent on the topic "Prepaid mobile subscriber identification card and method implemented thereby".^[6][7]

Prepaid versus postpaid mobile services

Advantages of prepaid

A prepaid plan may have a lower cost (often for low usage patterns e.g. a telephone for emergency use) and make it easier to control spending by limiting debt and controlling usage. They often have fewer contractual obligations – no early termination fee, freedom to change providers, plans, able to be used by those unable to take out a contract (i.e. under age of majority). Depending on the local laws, they may be available to those who do not have a permanent address, phone number, or credit card. This makes them popular among travelers and students away from their home towns. Additionally, they are popular with parents who wish to have a way to stay connected with their college age students and have some control over the costs.

Disadvantages of prepaid

Sometimes, pay-as-you-go customers pay more for their calls and SMS messages, and in some cases they are limited in what they can do with their phone – calls to international or premium rate numbers may be blocked, and they may not be able to roam. These limitations are usually the results of deficiencies in the prepaid systems used by the wireless carriers as technology has evolved to the point where all this is easily managed by triggers or APIs to third-party solution providers (data, international LD, content, roaming). Current models being deployed by wireless carriers today are capable of setting the price points for all services on an individual basis (via packages) such that higher pricing is a marketing decision. The days of higher pricing being due to more expensive network costs are gone.^{[|permanent dead link|dead link}}]}

Churn

As described above, prepaid accounts require that a subscriber have funds in the account to make outgoing calls (except emergency calls, which are always allowed). In the US, incoming calls are also barred, while in some other countries, a prepaid mobile with zero balance may still receive calls and texts.

This results in an "on/off" or "all or nothing" proposition for the prepaid service providers and their clients (i.e. the account either has enough credit to use the phone, or it does not). Some operators (e.g. Orange) allow their pre-pay customers to have a small negative balance to allow short calls or texts when the customer's credit has been completely used. This is then deducted when the customer next adds more credit.

The time most likely for a prepaid customer to switch to a different service provider is when the prepaid account reaches a "zero credit balance". Like other service providers, mobile service providers losing a mobile account call it "churn".

Prepaid mobile phones and roaming

In the early years, a prepaid mobile phone could only be used within the network of the operator from which the customer purchased the phone. It was not possible to roam onto other GSM networks when using the phone abroad. This was because the operator had no way to bill calls in real time from another network.

However, most prepaid phones now offer roaming using one of the following methods:

• The prepaid mobile phone user dials a "trigger" number from the foreign location using a USSD message which is not charged for while roaming. Upon receipt of the USSD, the customer's operator will then return the call. When the service calls back, the user is being charged for the cost of the service from the credit available in the home network. The service will then prompt the user to enter the dialed number of the party to be called. The disadvantage of this method of roaming is that the user will not be able to dial numbers directly from the handset. The advantage is that it works in almost all locations around the world since USSD is ubiquitous and free.
• The user can direct dial from their handset if the network they are roaming in supports CAMEL (Customized Applications for Mobile networks Enhanced Logic). This allows real time billing by the home operator without having to dial the customer back. The advantage is that it is more natural and works seamlessly. The disadvantage is that not all networks support CAMEL so the list of countries where a prepaid customer can use their phone abroad is smaller than for postpaid mobile phones.

Privacy rights and prepaid mobile phones

As of July 2013, at least 80 countries globally (including 37 on the African continent) have mandated, or are actively considering mandating, the registration of prepaid SIM users.^[8]

The reason is a concern of police and security agencies that anonymous use of prepaid mobile services facilitates criminal or terrorist activities.

Prepaid phone users can be anonymous for two reasons:

• In certain countries, the prepaid SIM card can be sold in a shop like any other goods. There is no need to register them at point of sale, unlike postpaid phones who have to credit check the user before allowing them to purchase and enter into a contract.
• Prepaid services can often be topped up using cash and vouchers, there is no way to trace the payment and hence determine the identity of a prepaid phone user from payment records.

While there is no doubt that criminals and terrorists use prepaid SIM cards to help stay anonymous and avoid easy detection, to date there has been no empirical evidence to indicate that:

1. Mandating the registration of prepaid SIM users leads to a reduction in criminal activities; and
2. The lack of any registration of prepaid SIM users is linked to a greater risk of criminal or terrorist activities.

In fact, a publicly available policy assessment report from Mexico showed that mandatory SIM registration introduced there in 2009 had failed to help the prevention, investigation and/or prosecution of associated crimes. As a result, policymakers decided to repeal the regulation three years later.^[8]

A prepaid phone number specifically purchased to be used briefly and then replaced is known colloquially as a burner phone or burner. A Los Angeles technology company currently offers a mobile application of the same name that replicates this functionality for a smartphone.^[9]

United States Senators Chuck Schumer (D-NY) and John Cornyn (R-TX) introduced legislation requiring consumers to produce identification before buying pre-paid phones in 2010,^[10][11][12] which was not passed.

International prepaid mobile phone branding

In an effort to differentiate the prepaid from post-paid service for their customers, CSPs have branded prepaid services differently from the post-paid services. A variant of post-paid service has emerged in recent years that comes closer to the prepaid service, by offering a "pay monthly" contract.

Prepaid phones and SIMs in the United Kingdom are known as "Pay as you go".^[13][14]

Usage

Usage of prepaid cellphone service is common in most parts of the world. Around 70% of customers in Western Europe and China use prepaid phones with the figure rising to over 90% for customers in India and Africa.^[15] 23% of cellphone users in the United States Of America were using prepaid service as of 2011, a share that's expected to rise to 29% by 2016.^[16] Prepaid SIM cards are also becoming a variation of the traditional prepaid cellphone plans. Rather than needing to purchase an entirely new phone, existing phones can be used by simply replacing the SIM card within the device.^[17]

See also

• Postpaid mobile phone
• Gift certificates
• Smartphone
• Personal Handy-phone System
• SIM card
• Mobile broadband
• International mobile remittance
• Burner (mobile application)

References

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