https://www.billbrown.info/tags/sms/Recent content in Sms on Bill Brown:Thoughts and Reference Material OnlineHugo -- gohugo.ioenBillBrown.infoWed, 27 May 2026 00:00:00 +0000https://www.billbrown.info/post/sms-in-gsm-explained-origination-to-cell-broadcast/Wed, 27 May 2026 00:00:00 +0000https://www.billbrown.info/post/sms-in-gsm-explained-origination-to-cell-broadcast/ <!-- SOURCE: ISSC641/forum5/Brown_Assignment_5.docx --> <h2 id="sms-in-gsm-explained-origination-to-cell-broadcast">SMS in GSM Explained: Origination to Cell Broadcast</h2> <p>As part of the Global System for Mobile Communications (GSM) the short message service (SMS) exists and provides a means to transfer short text messages between user equipment (UE) and a short message service center (SMSC) as described by Korhonen (2001). Messages are sent using the control signaling resources, and their maximum length is 160 characters. SMS is not a real-time service, as Korhonen (2001) point out, but store and forward service in which SMS messages can be stored on the SMSC and delivered when the destination UE is available. There are three essential services provided by SMS. They are Short Message Mobile Originated (SMS-MO), Short Message Mobile Terminated (SMS-MT) and Short Message Cell Broadcast (SMS-CB) as Korhonen (2001) discusses.</p>