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Call trace (Malicious caller identification) *60 1160 Call blocking *61 1161 Priority call *62 1162 Selective call waiting *63 1163 Selective call forwarding *65 1165 Calling number delivery activation *66 1166 Continuous redial *67 1167 Calling number delivery blocking 1831 #31# [4] [5] 141 #31# [6] *68 1168 Activate call forwarding on busy ...
Wi-Fi calling, also called VoWiFi, [1] refers to mobile phone voice calls and data that are made over IP networks using Wi-Fi, instead of the cell towers provided by cellular networks. [2] Using this feature, compatible handsets are able to route regular cellular calls through a wireless LAN (Wi-Fi) network with broadband Internet , while ...
[1] [2] Such devices and services enable the user to block a call as it is in progress or alternatively block the number after the call is made. These devices rely on caller ID information and thus a phone blocker requires a caller ID service active on the line for blocking to function. Treatment of blocked calls may include: Sending the caller ...
There are also MVNOs who provide only data service to mobile hotspot devices (mobile broadband providers). Native Wi-Fi calling refers to the ability of mobile phones on the service to seamlessly use Wi-Fi rather than the cellular network to connect normally dialed calls, when enabled. It does not refer to the ability to use third-party ...
The law established the FTC's National Do Not Call Registry in order to facilitate compliance with the Telephone Consumer Protection Act of 1991. [2] A guide by FTC addresses a number of cases. [3] Registration for the Do-Not-Call list began on June 27, 2003, and enforcement started on October 1, 2003.
Example of a mobile phone jammer, produced by Jammerspro. A mobile phone jammer or blocker is a device which deliberately transmits signals on the same radio frequencies as mobile phones, disrupting the communication between the phone and the cell-phone base station, effectively disabling mobile phones within the range of the jammer, preventing them from receiving signals and from transmitting ...
The patent describes a call blocking system as: The integration of various federally required and state mandated do-not-call lists for telemarketers into a system that automatically blocks outgoing calls from a number of companies ("Customer Companies") taking into account factors such as preexisting customers which may legally be contacted is ...
Similarly, battery-powered routers may include a mobile broadband modem and a Wi-Fi access point. When subscribed to a cellular data carrier, they allow nearby Wi-Fi stations to access the Internet. Many smartphones have a built-in mobile hotspot capability of this sort, though carriers often disable the feature, or charge a separate fee to ...