Data Coding Scheme
Data Coding Scheme is a one-octet field in Short Messages (SM) and Cell Broadcast Messages (CB) which carries a basic information how the recipient handset should process the received message. The information includes: the character set or message coding, which determines the encoding of the message user data the message class, which determines to which component of the Mobile Station (MS) or User Equipment (UE) the message should be delivered the request to automatically delete the message after reading the state of flags indicating presence of unread voicemail, fax, e-mail or other messages the indication that the message content is compressed the language of the cell broadcast message The field is described in 3GPP 23.040 and 3GPP 23.038 under the name TP-DCS. == Message character sets == A special 7-bit encoding called the GSM 7 bit default alphabet was designed for the Short Message System in GSM. The alphabet contains the most-often used symbols from most Western-European languages (and some Greek uppercase letters).