What is sms on iphone

Stands for "Short Message Service."

SMS is a communications technology that sends text messages to mobile phones.

Sms full form

SMS messages are short, up to 160 characters long when using alphanumeric characters, or up to 70 characters if the message includes special symbols or accented letters. They are transmitted across mobile phone networks and addressed to phones using the same phone number as voice calls.

SMS technology was first created for phones on GSM mobile networks in the early 1990s.

The convenience of sending a short text message instead of making a phone call helped it catch on quickly, even though mobile phones of the time lacked proper keyboards — users had to type their messages using a numerical keypad.

SMS is a store-and-forward technology, so if a phone is offline or out of a network's range, the carrier holds on to incoming messages until the phone reconnects to the network.

In addition to mobile-to-mobile messaging, SMS allows computer systems connected to a mobile network to send automated messages.

These services can use either a normal phone number or a uniq

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