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A vertical service code (VSC) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access certain telephone service features. [1] Some vertical service codes require dialing of a telephone number after the code sequence.
Call forwarding is disabled by dialing *73. This feature requires a subscription from the telephone company. Also available in some areas is Remote Access to call forwarding, which permit the control over call forwarding from telephones other than the subscriber's telephone. VOIP and cable telephone systems also allow call forwarding to be set ...
ETSI and 3rd Generation Partnership Project (3GPP) standards, such as GSM and LTE, define supplementary service codes that make it possible to query and set certain service parameters (e.g., call forwarding) directly from mobile devices.
After entering a USSD code on a GSM handset, the reply from the GSM operator is displayed within a few seconds. While GSM is being phased out in the 2020s with 2G and 3G , a solution is available for supporting USSD services directly from the LTE / 5G / IMS network, providing a similar user experience as in GSM.
Scam phone numbers and area codes typically involve calls you receive from numbers you don’t recognize. Often there is no customer service you can contact or law enforcement you can involve for ...
To activate Remote Access to Call Forwarding, a subscriber calls a provider-supplied Remote Access Directory Number, enters the telephone number of the line to be redirected along with a personal identification number (PIN), a vertical service code (such as 72# or *73) and the number to which the calls are to be forwarded.
Sign in to the AOL Account Security page.; Scroll to the bottom of the page. Click Add email or Add phone number.; Follow the on-screen prompts to enter and verify your new recovery info.
USSD (Unstructured Supplementary Service Data) codes [1] are mobile dial codes that can be used for communicating with the service provider's computers (i.e. for WAP browsing, prepaid callback service, mobile-money services, location-based content services, menu-based information services, and as part of configuring the phone on the network).