The common name of short message service (SMS) is text messaging. It allows you to transmit and receive text messages of a maximum size of 160 characters (160 bytes). These messages cross two endpoints of a cellular network. One or both of these endpoints may be a mobile subscriber. SMS gives you the ability to either start a message ("mobile originate") and end a message ("mobile terminate") using a mobile device.
SMS is best suited for the following types of messages:
The primary design for basic SMS is for a one-time message between two consumers using mobile devices. If your application needs larger scale business messaging to a wide audience, use Enterprise Paging instead.
AT&T provides dedicated (direct) and indirect connectivity to the SMS network to meet your needs in a messaging application.
Dedicated SMS connectivity requires connecting directly to the AT&T SMS complex using the SMPP protocol. Indirect SMS sends sending a standard text message using an e-mail message addressed to a mobile subscriber or device. Each has distinct advantages, special limitations, and requirements.
You can use the AT&T Network Services Gateway (NSG) to develop applications that use SMS. Visit NSG Overview for more information.
In addition, you may work through a messaging aggregator to send SMS content on AT&T's wireless network.
SMS messages via e-mail
Sending SMS messages to a mobile device using e-mail protocol as a transport is extremely simple and requires little to no integration. However, this messaging method has limitations. Do not use e-mail transport for applications that send a large amount of information frequently.
Learn about Enterprise Paging for high-volume, low-latency business communications.
The e-mail address format used for sending SMS messages to a mobile device is firstname.lastname@example.org. "Mobilenumber" is the wireless device's ten-digit, fully qualified telephone number, known as the mobile station ISDN (MSISDN).