a aces airwide solutions aldiscon b best effort delivery bit blackberry bluetooth c carriage return cell broadcast character encoding communication communications protocol concatenated sms customised applications for mobile networks enhanced logic d digital amps e enhanced messaging service escape character f g general packet radio service h hayes command set hyphen i i-mode infrared instant messaging international herald tribune j japan k kibibyte l landline latin alphabet long numbers m machine metadata mobile application part mobile dating mobile network operator mobile phone mobile search multimedia messaging service n nokia o orbitel over-the-air programming p pennsylvania state university portable document format primus canada public land mobile network public switched telephone network q r reverse sms billing ringtone routing s sms gateway sms language satellite phone sema group service control point short code short message peer-to-peer protocol short message service center simple mail transfer protocol smart message softbank mobile speech synthesis sprint store and forward t t-mobile telemetry televoting text messaging thumbing transport u underscore unicode united kingdom v vehicle tracking system verizon wireless vodafone w wikimedia commons x y z