SMS

SMS (Short Message Service, >>short message service <<) is a term in the telecommunications industry. It describes a fee-based service for sending short written messages that contain a maximum of 160 characters. The messages can either be sent from cell phone to cell phone via the cell phone network or from computer to cell phone via the Internet They are collected in the SMS center of the respective provider and then distributed from there to the individual mobile networks. If the recipient`s mobile phone is switched off or if he has no reception, the SMS sent to him is temporarily stored in the SMS center for up to seven days and as soon as it is received again. An SMS is sent very quickly and is usually represented by a letter symbol in the mobile phone and is signaled acoustically. It is also possible for a confirmation of receipt to be sent back as soon as the recipient has received the SMS has. The SMS transmission has a data transmission rate of approx. 55 bytes per second to 440 bits per second and is implemented via a packet-switching control channel of the GSM mobile network. Further developments of SMS are EMS (Enhanced Messaging Service) and MMS (Multimedia Messaging Service).