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Texting "HELP" to a short code causes the short code service to return a message with terms and conditions, support information — consisting of either a toll-free phone number or email address at a minimum — and other information from the leaseholder of the short code.
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.
Some TV channels offer a service called interactive teletext to remedy some of the shortcomings of standard teletext. To use interactive teletext, the user calls a special telephone number with a push-button telephone. A computer then instructs them to go to a teletext page which is assigned to them for that session.
The company operates the Lively phone service, an MVNO, or mobile virtual network operator, where it rents cellular service from other operators, and primarily caters to seniors with old-fashioned phones and medical alert devices. [16] Lively manufactures the Jitterbug Flip phones, an easy-to-use cell phone marketed for American elderly. [16]
Model number Sampling availability Devices APQ8060 [1]: 2011 HP TouchPad • HTC Amaze 4G, Jetstream, Raider 4G, Vivid • Le Pan II • LG Nitro HD • Pantech Element; Samsung Galaxy S II X (SGH-T989D), Galaxy S II LTE, Galaxy S Blaze 4G, Galaxy Tab 7.7 LTE
A Cell Broadcast message is an unconfirmed push service, meaning that the originators of the messages do not know who has received the message, allowing for services based on anonymity. [1] Cell Broadcast is compliant with the latest EU General Data Protection Regulation (GDPR) as mobile phone numbers are not required by CB. The originator ...
As of 2007, text messaging was the most widely used mobile data service, with 74% of all mobile phone users worldwide, or 2.4 billion out of 3.3 billion phone subscribers, being active users of the Short Message Service at the end of 2007. In countries such as Finland, Sweden, and Norway, over 85% of the population used SMS.
The Type Allocation Code (TAC) is the initial eight-digit portion of the 15-digit IMEI and 16-digit IMEISV codes used to uniquely identify wireless devices.. The Type Allocation Code identifies a particular model (and often revision) of wireless telephone for use on a GSM, UMTS, LTE, 5G NR, iDEN, Iridium or other IMEI-employing wireless network.