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2. Call blocking - Wikipedia

   en.wikipedia.org/wiki/Call_blocking

   Call blocking, also known as call block, call screening, or call rejection, allows a telephone subscriber to block incoming calls from specific telephone numbers. This feature may require an additional payment to the subscriber's telephone company or a third-party. Call blocking is desired by individuals who wish to block unwanted phone calls.

3. Cellular traffic - Wikipedia

   en.wikipedia.org/wiki/Cellular_traffic

   These resources have to be used effectively to ensure that all users receive service, that is, the quality of service is consistently maintained. This need to carefully use the limited spectrum, brought about the development of cells in mobile networks, enabling frequency re-use by successive clusters of cells. [ 1 ]

4. QoS Class Identifier - Wikipedia

   en.wikipedia.org/wiki/QoS_Class_Identifier

   QoS Class Identifier (QCI) is a mechanism used in 3GPP Long Term Evolution (LTE) networks to ensure carrier traffic is allocated appropriate Quality of Service (QoS). Different carrier traffic requires different QoS and therefore different QCI values. QCI value 9 is typically used for the default carrier of a UE/PDN for non privileged subscribers.

5. Best cell phone plans in 2022: The best options for your ...

   www.aol.com/news/best-cell-phone-plans-2022...

   We’ve rounded up the best choices for family plans, unlimited data and low-cost plans from prepaid carriers. Best cell phone plans in 2022: The best options for your monthly phone service Skip ...

6. UMTS - Wikipedia

   en.wikipedia.org/wiki/UMTS

   The Universal Mobile Telecommunications System (UMTS) is a 3G mobile cellular system for networks based on the GSM standard. Developed and maintained by the 3GPP (3rd Generation Partnership Project), UMTS is a component of the International Telecommunication Union IMT-2000 standard set and compares with the CDMA2000 standard set for networks based on the competing cdmaOne technology.

7. iPhone 3G - Wikipedia

   en.wikipedia.org/wiki/IPhone_3G

   The iPhone 3G features an internal rechargeable battery rated at 1150 mAh, which, like its predecessor, is not user-replaceable. Apple stated that the iPhone 3G's battery is capable of providing up to six hours of web browsing via Wi-Fi, or five hours via 3G, or 25 hours of audio playback. Alternatively, it is said to provide 300 hours of ...