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Short codes, or short numbers, are short digit-sequences—significantly shorter than telephone numbers—that are used to address messages in the Multimedia Messaging System (MMS) and short message service (SMS) systems of mobile network operators. [1] In addition to messaging, they may be used in abbreviated dialing.
On May 1, 1993, the management and assignment of toll-free numbers transitioned from the interim 800 NXX Plan to a 10 digit management plan in the national 800 Service Management System (SMS/800). On January 25, 1995, INC designated the 888 Numbering Plan Area (NPA) code as the next area code for use in providing toll-free service.
A RespOrg, or responsible organization, is a company that maintains the registration for individual toll-free telephone numbers in the North American Numbering Plan by means of the distributed Service Management System/800 database.
The first two or three B can designate the area (old area code) for geographic numbers, or the operator to whom the number resource belongs. There are also "short numbers" for emergencies (such as 112), that are written 1C or 1CC; and short numbers for special services, written 10 CC, 11C CCC, or 36 CC. 00 is the international access code.
An SMS message written on a Motorola Razr561340. Short Message Service, commonly abbreviated as SMS, is a text messaging service component of most telephone, Internet and mobile device systems. It uses standardized communication protocols that let mobile phones exchange short text messages, typically transmitted over cellular networks.
To determine the SMS gateway domain, e.g., txt.att.net, may require research - but most users know who their carrier is. The telephone number in this example for a US number is expressed as ten (10) digits, without the country code (1) and without dashes or other separator characters when composing the email address.
A mobile dial code (MDC) is a grouping of 3 to 10 numbers following either a "#" "##" "*" "**" used to create a short, easy to remember phone number.Historically MDCs were used for repair related purposes by landline and wireless carriers.
A Short Message Service Center (SMSC) is a network element in the mobile telephone network. Its purpose is to store, forward, convert and deliver Short Message Service (SMS) messages. The full designation of an SMSC according to 3GPP is Short Message Service - Service Center (SMS-SC).8522076203