ystem) See HSM
erver) Windows NT server software. See SCCM
and SMS Installer
torage) MVS mainframe software from IBM. Introduced in 1988, SMS allocated data to prevent errors when disks became full. See DFSMS
ervices) NetWare server software used to back up data from the network, regardless of file system. See SIDF
ervice) SMS is the text messaging service on mobile phones. Due to the billions of cellphones in use, SMS, or "texting" is the most ubiquitous messaging system on the planet. Text messages are limited to 160 characters in length and are sent to regular cellphone numbers. For commercial purposes, texting can be used to retrieve information as well as links to download an app (see short code
Like instant messaging, SMS transmits the sender's message to the recipient immediately. It also stores and forwards messages later if a recipient's phone was turned off. SMS pricing differs by carrier. It is very often included in the subscriber's plan, or there may be a charge per message.
Traveling over a control channel separate from the voice channel, SMS was introduced in the GSM system in Europe and migrated worldwide to all cellphone carriers (see GSM
). Whereas SMS is text only, MMS supports multimedia (see MMS
). See text messaging vs. instant messaging
and Rich Communication Services
Regular Cellphone Keypads
The SMS Term Is Used
Texting can be done on standard cellphones by pressing keys multiple times quickly. For example, press 8-4-4-3-3 for the word "t-h-e." See cellphone keyboard
SMS is a widely used acronym to refer to text messaging; witness this AARP registration dialog.