Mobile phones

Mobile phones

Industry: Mobile communications

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Mobile phones

Service charge

Mobile communications; Mobile phones

The amount customers pay each month to receive wireless service. This amount is fixed, and to be paid monthly regardless of how much or how little customers use their wireless phones.

Service plan

Mobile communications; Mobile phones

The rate plan you select when choosing a wireless phone service. A service plan typically consists of a monthly base rate for access to the system and a fixed amount of minutes per month. Service ...

When calls are billed by the minute, any call that uses a portion of a minute is rounded up and billed for the whole minute. For example, if you make a call that lasts 3 minutes and 2 seconds, you ...

Short message service (SMS)

Mobile communications; Mobile phones

The transmission of short alphanumeric text-messages to and from a mobile phone, fax machine and/or IP address. Messages must be no longer than 160 alphanumeric characters and contain no images or ...

S-band

Mobile communications; Mobile phones

The frequency spectrum near 2 GHz used for land based microwave and some mobile satellite communications.

Subscriber fraud

Mobile communications; Mobile phones

Securing wireless service with intent to avoid payment. This is different from bad debt, which occurs when a known person or company has a payment obligation overdue and the debt cannot be collected.

Subscriber identity module (SIM)

Mobile communications; Mobile phones

A card inserted into a GSM/TDMA or GSM-only handset containing subscriber-related data. The card contains 18 digits for GSM markets and 20 digits for TDMA markets.