Postpaid mobile phone

For postpaid payment systems are telephone contracts subsequent accounting. The duration of post-paid tariffs is generally two years and the monthly billing. Mobile discounter offer postpaid tariffs also no minimum contract period and no monthly fees.

The mobile service provider provides the customer with a debit card - also called " post-paid card " - available on the identification of the corresponding customer account is specified. At the end of a given accounting period - usually one months - an invoice will be with the applicable fees set ( one-time charges and call charges to mobile and fixed networks - GSM / GPRS or Contents).

The pricing on the market is different. For frequent users ( business customers) rates with high fixed charges and low time rates are offered during the day, the day for infrequent callers tariffs with lower basic charges at higher rates per minute and lower evening rates.

Basically, the monthly call volume is unlimited; However, mobile operators register when an above-average daily use occurs to recognize abuse and fraud, and to be able to intervene in time (typically by card lock or notice to the customer ). A regular cost control, the customer but only for systems with advance ( prepaid ).

The customer can have certain numbers (eg premium rate numbers, international calls ) normally be locked.

For post-paid customers have been able to since the introduction of the GSM networks to other networks at home and abroad calls ( roaming). While in prepayment systems, the discussion needs to be monitored in real time so that the mobile operators can end a call, as soon as the balance is depleted, at postpaid roaming no online connection between used foreign network and its own network is necessary. Call connections that are built from abroad, however, require the previous query of the so-called visitor location register ( VLR) of the foreign network operator according to the profile of the card in its own network and those of the so-called home location register ( HLR) with respect to any roaming locks by the customer ( via GSM code) or network operator.

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