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A direct-to-mobile gateway is a device that has built-in wireless GSM connectivity. It allows SMS text messages to be sent and/or received by email, from Web pages or from other software applications by acquiring a unique identifier from the mobile phone's Subscriber Identity Module, or "SIM card".
Bulk messaging is the dissemination of large numbers of SMS messages for delivery to mobile phone terminals. It is used by media companies, banks and other enterprises (for marketing and fraud control) [ 1 ] and consumer brands for a variety of purposes including entertainment, enterprise and mobile marketing.
A "Basic Status Code" SMTP reply consists of a three digit number (transmitted as three numeric characters) followed by some text. The number is for use by automata (e.g., email clients) to determine what state to enter next; the text ("Text Part") is for the human user. The first digit denotes whether the response is good, bad, or incomplete:
The final digit of a Universal Product Code, International Article Number, Global Location Number or Global Trade Item Number is a check digit computed as follows: [3] [4]. Add the digits in the odd-numbered positions from the left (first, third, fifth, etc.—not including the check digit) together and multiply by three.
Extended search being performed may take a significant time so a forking proxy must send a 100 Trying response. [1]: §21.1.1 180 Ringing Destination user agent received INVITE, and is alerting user of call. [1]: §21.1.2 181 Call is Being Forwarded Servers can optionally send this response to indicate a call is being forwarded.
An SMS center (SMSC) is responsible for handling the SMS operations of a wireless network. When an SMS message is sent from a mobile phone, it will first reach an SMS center. The SMS center then forwards the SMS message towards the destination. The main duty of an SMSC is to route SMS messages and regulate the process.
Six-digit verification codes are a form of two-factor authentication, a process that helps keep your important online accounts secure. For example, you might get a text message or email with a six ...
Others vary based on the choice and configuration of SMS application, and the length of the message [citation needed]. To avoid unexpected costs for senders that have a subscription for a limited pack of sent SMS, applications should [according to whom?] display the number of character used and the maximum number of characters in the composed SMS.
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