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<!DOCTYPE html>

<title>Data Coding Scheme</title>

</head>

<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Data Coding Scheme</span></span>

</h1>

</header>

<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="en" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><p><b>Data Coding Scheme</b> is a one-<a href="Octet_(computing)" title="Octet (computing)">octet</a> field in <a href="SMS" title="SMS">Short Messages</a> (SM) and <a href="Cell_Broadcast" title="Cell Broadcast">Cell Broadcast Messages</a> (CB) which carries a basic information how the recipient handset should process the received message. The information includes:

</p>

<ul><li>the character set or message coding, which determines the encoding of the message user data</li>

<li>the message class, which determines to which component of the Mobile Station (MS) or User Equipment (UE) the message should be delivered</li>

<li>the request to automatically delete the message after reading</li>

<li>the state of flags indicating presence of unread voicemail, fax, e-mail or other messages</li>

<li>the indication that the message content is compressed</li>

<li>the language of the cell broadcast message</li></ul>

<p>The field is described in <a href="GSM_03.40" title="GSM 03.40">3GPP 23.040</a> and <a href="GSM_03.38" title="GSM 03.38">3GPP 23.038</a> under the name TP-DCS.

</p>

<div class="mw-heading mw-heading2"><h2 id="Message_character_sets">Message character sets</h2></div>

<p>A special 7-bit encoding called the <a href="GSM_03.38" title="GSM 03.38"><i>GSM 7 bit default alphabet</i></a> 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). Some <a href="ASCII" title="ASCII">ASCII</a> characters and the <a href="Euro_sign" title="Euro sign">Euro sign</a> did not fit into the GSM 7-bit default alphabet and must be encoded using two septets. These characters form GSM 7 bit default alphabet <i>extension table</i>. Support of the GSM 7-bit alphabet is mandatory for GSM handsets and network elements.<sup id="cite_ref-3GPP_23.038_1-0" class="reference"><a href="#cite_note-3GPP_23.038-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>

</p><p>Languages which use <a href="Latin_script" title="Latin script">Latin script</a>, but use characters which are not present in the GSM 7-bit default alphabet, often replace missing characters with <a href="Diacritic" title="Diacritic">diacritic</a> marks with corresponding characters without diacritics, which causes not entirely satisfactory user experience, but is often accepted. In order to include these missing characters the 16-bit <a href="UTF-16" title="UTF-16">UTF-16</a> (in GSM called UCS-2) encoding may be used at the price of reducing the length of a (non-segmented) message from 160 to 70 characters.

</p><p>The messages in Chinese, Korean or Japanese languages must be encoded using the <a href="UTF-16" title="UTF-16">UTF-16</a> character encoding. The same was also true for other languages using non-Latin scripts like Russian, Arabic, Hebrew and various Indian languages. In 3GPP TS 23.038 8.0.0 published in 2008 a new feature, an extended <a href="GSM_03.38#National_language_shift_tables" title="GSM 03.38">National language shift table</a> was introduced, which in the version 11.0.0 published in 2012 covers <a href="Turkish_language" title="Turkish language">Turkish</a>, <a href="Spanish_language" title="Spanish language">Spanish</a>, <a href="Portuguese_language" title="Portuguese language">Portuguese</a>, <a href="Bengali_language" title="Bengali language">Bengali</a>, <a href="Gujarati_language" title="Gujarati language">Gujarati</a>, <a href="Hindi" title="Hindi">Hindi</a>, <a href="Kannada" title="Kannada">Kannada</a>, <a href="Malayalam" title="Malayalam">Malayalam</a>, <a href="Oriya_language" class="mw-redirect" title="Oriya language">Oriya</a>, <a href="Punjabi_language" title="Punjabi language">Punjabi</a>, <a href="Tamil_language" title="Tamil language">Tamil</a>, <a href="Telugu_language" title="Telugu language">Telugu</a> and <a href="Urdu" title="Urdu">Urdu</a> languages. The mechanism replaces GSM 7-bit default alphabet code table and/or extended table with a national table(s) according to special information elements in <a href="User_Data_Header" title="User Data Header">User Data Header</a>. The non-segmented message using national language shift table(s) may carry up to 155 (or 153) 7-bit characters.

</p><p>GSM recognizes only two encodings for <a href="Text_file" title="Text file">text messages</a> and one encoding for <a href="Binary_file" title="Binary file">binary messages</a>:

</p>

<ul><li>GSM 7-bit default alphabet (which includes using of National language shift tables as well)</li>

<div class="mw-heading mw-heading2"><h2 id="Message_classes">Message classes</h2></div>

<p>The TP-DCS octet has a complex syntax to allow carrying of other information; the most notable are message classes:

</p>

<caption>Message Classes

</caption>

<th>Value</th>

<th>Message Class

</th></tr>

<tr>

<td>0 - <a href="Short_Message_Service" class="mw-redirect" title="Short Message Service">Flash messages</a>

</td></tr>

<tr>

<td>1 - ME-specific

</td></tr>

<tr>

<td>2 - SIM / USIM specific

</td></tr>

<tr>

<td>3 - TE-specific

</td></tr></tbody></table>

<p><a href="Short_Message_Service" class="mw-redirect" title="Short Message Service">Flash messages</a> are received by a mobile phone even though it has full memory. They are not stored in the phone, they just displayed on the phone display.

</p>

<div class="mw-heading mw-heading2"><h2 id="Other_features">Other features</h2></div>

<div class="mw-heading mw-heading3"><h3 id="Automatic_deletion_after_reading">Automatic deletion after reading</h3></div>

<p>The handset should delete any message received with a TP-DCS value falling to the "Message Marked for Automatic Deletion Coding Group" after user has read it.

</p>

<div class="mw-heading mw-heading3"><h3 id="Message_waiting_indication">Message waiting indication</h3></div>

<p>Message Waiting Indication group of DCS values serves to set or reset flags indicating presence of unread <a href="Voicemail" title="Voicemail">voicemail</a>, <a href="Fax" title="Fax">fax</a>, <a href="E-mail" class="mw-redirect" title="E-mail">e-mail</a> or other messages.

</p>

<div class="mw-heading mw-heading3"><h3 id="Data_compression">Data compression</h3></div>

<p>A special DCS value also allows message <a href="Data_compression" title="Data compression">compression</a>, but it perhaps is not used by any operator.

</p>

<div class="mw-heading mw-heading2"><h2 id="DCS_values">DCS values</h2></div>

<div class="mw-heading mw-heading3"><h3 id="SMS_data_coding_scheme">SMS data coding scheme</h3></div>

<p>The values of TP-DCS are defined in <a href="GSM_03.38" title="GSM 03.38">GSM recommendation 03.38</a>.<sup id="cite_ref-3GPP_23.038_1-1" class="reference"><a href="#cite_note-3GPP_23.038-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>

</p>

<th colspan="6" style="text-align:center;">Coding Group: General Data Coding

</th></tr>

<tr>

<th>Character Set</th>

<th>Message Class

</th>

<th scope="column" style="text-align:center;">Compressed</th>

<th>Reserved Because

</th></tr>

<tr>

<td style="text-align:center;">00

</td>

<td style="text-align:center;">0

</td>

<td>Default

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">01

</td>

<td style="text-align:center;">1

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 1 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">02

</td>

<td style="text-align:center;">2

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 2 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">03

</td>

<td style="text-align:center;">3

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 3 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">04

</td>

<td style="text-align:center;">4

</td>

<td>Default

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">05

</td>

<td style="text-align:center;">5

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 1 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">06

</td>

<td style="text-align:center;">6

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 2 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">07

</td>

<td style="text-align:center;">7

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 3 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">08

</td>

<td style="text-align:center;">8

</td>

<td>Default

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">09

</td>

<td style="text-align:center;">9

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 1 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">0A

</td>

<td style="text-align:center;">10

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 2 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">0B

</td>

<td style="text-align:center;">11

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 3 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">0C

</td>

<td style="text-align:center;">12

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">0D

</td>

<td style="text-align:center;">13

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

<p>Bits 1 and 0 have value 1 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">0E

</td>

<td style="text-align:center;">14

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

<p>Bits 1 and 0 have value 2 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">0F

</td>

<td style="text-align:center;">15

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

<p>Bits 1 and 0 have value 3 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">10

</td>

<td style="text-align:center;">16

</td>

<td>Class 0 (Flash message)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">11

</td>

<td style="text-align:center;">17

</td>

<td>Class 1 (ME-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">12

</td>

<td style="text-align:center;">18

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">13

</td>

<td style="text-align:center;">19

</td>

<td>Class 3 (TE-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">14

</td>

<td style="text-align:center;">20

</td>

<td>Class 0 (Flash message)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">15

</td>

<td style="text-align:center;">21

</td>

<td>Class 1 (ME-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">16

</td>

<td style="text-align:center;">22

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">17

</td>

<td style="text-align:center;">23

</td>

<td>Class 3 (TE-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">18

</td>

<td style="text-align:center;">24

</td>

<td>Class 0 (Flash message)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">19

</td>

<td style="text-align:center;">25

</td>

<td>Class 1 (ME-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">1A

</td>

<td style="text-align:center;">26

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">1B

</td>

<td style="text-align:center;">27

</td>

<td>Class 3 (TE-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">1C

</td>

<td style="text-align:center;">28

</td>

<td>(reserved)</td>

<td>Class 0 (Flash message)

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">1D

</td>

<td style="text-align:center;">29

</td>

<td>(reserved)</td>

<td>Class 1 (ME-specific)

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">1E

</td>

<td style="text-align:center;">30

</td>

<td>(reserved)</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">1F

</td>

<td style="text-align:center;">31

</td>

<td>(reserved)</td>

<td>Class 3 (TE-specific)

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">20

</td>

<td style="text-align:center;">32

</td>

<td>Default

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">21

</td>

<td style="text-align:center;">33

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 1 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">22

</td>

<td style="text-align:center;">34

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 2 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">23

</td>

<td style="text-align:center;">35

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 3 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">24

</td>

<td style="text-align:center;">36

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">25

</td>

<td style="text-align:center;">37

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

<p>Bits 1 and 0 have value 1 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">26

</td>

<td style="text-align:center;">38

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

<p>Bits 1 and 0 have value 2 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">27

</td>

<td style="text-align:center;">39

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

<p>Bits 1 and 0 have value 3 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">28

</td>

<td style="text-align:center;">40

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">29

</td>

<td style="text-align:center;">41

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

<p>Bits 1 and 0 have value 1 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">2A

</td>

<td style="text-align:center;">42

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

<p>Bits 1 and 0 have value 2 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">2B

</td>

<td style="text-align:center;">43

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

<p>Bits 1 and 0 have value 3 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">2C

</td>

<td style="text-align:center;">44

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">2D

</td>

<td style="text-align:center;">45

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

<p>Bits 1 and 0 have value 1 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">2E

</td>

<td style="text-align:center;">46

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

<p>Bits 1 and 0 have value 1 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">2F

</td>

<td style="text-align:center;">47

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

<p>Bits 1 and 0 have value 1 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">30

</td>

<td style="text-align:center;">48

</td>

<td>Class 0 (Flash message)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">31

</td>

<td style="text-align:center;">49

</td>

<td>Class 1 (ME-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">32

</td>

<td style="text-align:center;">50

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">33

</td>

<td style="text-align:center;">51

</td>

<td>Class 3 (TE-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">34

</td>

<td style="text-align:center;">52

</td>

<td>Class 0 (Flash message)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">35

</td>

<td style="text-align:center;">53

</td>

<td>Class 1 (ME-specific)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">36

</td>

<td style="text-align:center;">54

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">37

</td>

<td style="text-align:center;">55

</td>

<td>Class 3 (TE-specific)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">38

</td>

<td style="text-align:center;">56

</td>

<td>Class 0 (Flash message)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">39

</td>

<td style="text-align:center;">57

</td>

<td>Class 1 (ME-specific)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">3A

</td>

<td style="text-align:center;">58

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">3B

</td>

<td style="text-align:center;">59

</td>

<td>Class 3 (TE-specific)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">3C

</td>

<td style="text-align:center;">60

</td>

<td>(reserved)</td>

<td>Class 0 (Flash message)

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">3D

</td>

<td style="text-align:center;">61

</td>

<td>(reserved)</td>

<td>Class 1 (ME-specific)

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">3E

</td>

<td style="text-align:center;">62

</td>

<td>(reserved)</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">3F

</td>

<td style="text-align:center;">63

</td>

<td>(reserved)</td>

<td>Class 3 (TE-specific)

</td>

<td>Reserved character set

</td></tr>

<tr>

<th colspan="6" style="text-align:center;">Coding Group: Message Marked for Automatic Deletion

</th></tr>

<tr>

<th>Character Set</th>

<th>Message Class

</th>

<th scope="column" style="text-align:center;">Compressed</th>

<th>Reserved Because

</th></tr>

<tr>

<td style="text-align:center;">40

</td>

<td style="text-align:center;">64

</td>

<td>Default

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">41

</td>

<td style="text-align:center;">65

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 1 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">42

</td>

<td style="text-align:center;">66

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 2 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">43

</td>

<td style="text-align:center;">67

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 3 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">44

</td>

<td style="text-align:center;">68

</td>

<td>Default

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">45

</td>

<td style="text-align:center;">69

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 1 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">46

</td>

<td style="text-align:center;">70

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 2 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">47

</td>

<td style="text-align:center;">71

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 3 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">48

</td>

<td style="text-align:center;">72

</td>

<td>Default

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">49

</td>

<td style="text-align:center;">73

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 1 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">4A

</td>

<td style="text-align:center;">74

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 2 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">4B

</td>

<td style="text-align:center;">75

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 3 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">4C

</td>

<td style="text-align:center;">76

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">4D

</td>

<td style="text-align:center;">77

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

<p>Bits 1 and 0 have value 1 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">4E

</td>

<td style="text-align:center;">78

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

<p>Bits 1 and 0 have value 2 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">4F

</td>

<td style="text-align:center;">79

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

<p>Bits 1 and 0 have value 3 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">50

</td>

<td style="text-align:center;">80

</td>

<td>Class 0 (Flash message)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">51

</td>

<td style="text-align:center;">81

</td>

<td>Class 1 (ME-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">52

</td>

<td style="text-align:center;">82

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">53

</td>

<td style="text-align:center;">83

</td>

<td>Class 3 (TE-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">54

</td>

<td style="text-align:center;">84

</td>

<td>Class 0 (Flash message)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">55

</td>

<td style="text-align:center;">85

</td>

<td>Class 1 (ME-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">56

</td>

<td style="text-align:center;">86

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">57

</td>

<td style="text-align:center;">87

</td>

<td>Class 3 (TE-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">58

</td>

<td style="text-align:center;">88

</td>

<td>Class 0 (Flash message)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">59

</td>

<td style="text-align:center;">89

</td>

<td>Class 1 (ME-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">5A

</td>

<td style="text-align:center;">90

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">5B

</td>

<td style="text-align:center;">91

</td>

<td>Class 3 (TE-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">5C

</td>

<td style="text-align:center;">92

</td>

<td>(reserved)</td>

<td>Class 0 (Flash message)

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">5D

</td>

<td style="text-align:center;">93

</td>

<td>(reserved)</td>

<td>Class 1 (ME-specific)

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">5E

</td>

<td style="text-align:center;">94

</td>

<td>(reserved)</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">5F

</td>

<td style="text-align:center;">95

</td>

<td>(reserved)</td>

<td>Class 3 (TE-specific)

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">60

</td>

<td style="text-align:center;">96

</td>

<td>Default

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">61

</td>

<td style="text-align:center;">97

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 1 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">62

</td>

<td style="text-align:center;">98

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 2 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">63

</td>

<td style="text-align:center;">99

</td>

<td>Default

</td>

<td>Bits 1 and 0 have value 3 but no message class present

</td></tr>

<tr>

<td style="text-align:center;">64

</td>

<td style="text-align:center;">100

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">65

</td>

<td style="text-align:center;">101

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

<p>Bits 1 and 0 have value 1 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">66

</td>

<td style="text-align:center;">102

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

<p>Bits 1 and 0 have value 2 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">67

</td>

<td style="text-align:center;">103

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

<p>Bits 1 and 0 have value 3 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">68

</td>

<td style="text-align:center;">104

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">69

</td>

<td style="text-align:center;">105

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

<p>Bits 1 and 0 have value 1 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">6A

</td>

<td style="text-align:center;">106

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

<p>Bits 1 and 0 have value 2 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">6B

</td>

<td style="text-align:center;">107

</td>

<td>Default

</td>

<td>Compression set but Character set can't be compressed

<p>Bits 1 and 0 have value 3 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">6C

</td>

<td style="text-align:center;">108

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">6D

</td>

<td style="text-align:center;">109

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

<p>Bits 1 and 0 have value 1 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">6E

</td>

<td style="text-align:center;">110

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

<p>Bits 1 and 0 have value 2 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">6F

</td>

<td style="text-align:center;">111

</td>

<td>(reserved)</td>

<td>Default

</td>

<td>Reserved character set

<p>Bits 1 and 0 have value 3 but no message class present

</p>

</td></tr>

<tr>

<td style="text-align:center;">70

</td>

<td style="text-align:center;">112

</td>

<td>Class 0 (Flash message)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">71

</td>

<td style="text-align:center;">113

</td>

<td>Class 1 (ME-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">72

</td>

<td style="text-align:center;">114

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">73

</td>

<td style="text-align:center;">115

</td>

<td>Class 3 (TE-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">74

</td>

<td style="text-align:center;">116

</td>

<td>Class 0 (Flash message)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">75

</td>

<td style="text-align:center;">117

</td>

<td>Class 1 (ME-specific)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">76

</td>

<td style="text-align:center;">118

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">77

</td>

<td style="text-align:center;">119

</td>

<td>Class 3 (TE-specific)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">78

</td>

<td style="text-align:center;">120

</td>

<td>Class 0 (Flash message)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">79

</td>

<td style="text-align:center;">121

</td>

<td>Class 1 (ME-specific)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">7A

</td>

<td style="text-align:center;">122

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">7B

</td>

<td style="text-align:center;">123

</td>

<td>Class 3 (TE-specific)

</td>

<td>Compression set but Character set can't be compressed

</td></tr>

<tr>

<td style="text-align:center;">7C

</td>

<td style="text-align:center;">124

</td>

<td>(reserved)</td>

<td>Class 0 (Flash message)

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">7D

</td>

<td style="text-align:center;">125

</td>

<td>(reserved)</td>

<td>Class 1 (ME-specific)

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">7E

</td>

<td style="text-align:center;">126

</td>

<td>(reserved)</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>Reserved character set

</td></tr>

<tr>

<td style="text-align:center;">7F

</td>

<td style="text-align:center;">127

</td>

<td>(reserved)</td>

<td>Class 3 (TE-specific)

</td>

<td>Reserved character set

</td></tr>

<tr>

<th colspan="6" style="text-align:center;">Coding Group: Reserved

</th></tr>

<tr>

<th>Character Set</th>

<th>Message Class

</th>

<th scope="column" style="text-align:center;">Compressed</th>

<th>Reserved Because

</th></tr>

<tr>

<td style="text-align:center;">80

</td>

<td style="text-align:center;">128

</td>

<td>(not defined)</td>

<td>Default

</td>

<td>Reserved coding group

</td></tr>

<tr>

<td colspan="6">... up to ...

</td></tr>

<tr>

<td style="text-align:center;">BF

</td>

<td style="text-align:center;">191

</td>

<td>(not defined)</td>

<td>Default

</td>

<td>Reserved coding group

</td></tr>

<tr>

<th colspan="6" style="text-align:center;">Coding Group: Message Waiting Info: Discard Message

</th></tr>

<tr>

<th>Character Set</th>

<th>Message Waiting Information

</th>

<th scope="column" style="text-align:center;">Compressed</th>

<th>Reserved Because

</th></tr>

<tr>

<td style="text-align:center;">C0

</td>

<td style="text-align:center;">192

</td>

<td>(not defined)</td>

<td>Voicemail Inactive

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">C1

</td>

<td style="text-align:center;">193

</td>

<td>(not defined)</td>

<td>Fax Inactive

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">C2

</td>

<td style="text-align:center;">194

</td>

<td>(not defined)</td>

<td>E-mail Inactive

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">C3

</td>

<td style="text-align:center;">195

</td>

<td>(not defined)</td>

<td>Other Inactive

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">C4

</td>

<td style="text-align:center;">196

</td>

<td>(not defined)</td>

<td>Voicemail Inactive

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">C5

</td>

<td style="text-align:center;">197

</td>

<td>(not defined)</td>

<td>Fax Inactive

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">C6

</td>

<td style="text-align:center;">198

</td>

<td>(not defined)</td>

<td>E-mail Inactive

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">C7

</td>

<td style="text-align:center;">199

</td>

<td>(not defined)</td>

<td>Other Inactive

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">C8

</td>

<td style="text-align:center;">200

</td>

<td>(not defined)</td>

<td>Voicemail Active

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">C9

</td>

<td style="text-align:center;">201

</td>

<td>(not defined)</td>

<td>Fax Active

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">CA

</td>

<td style="text-align:center;">202

</td>

<td>(not defined)</td>

<td>E-mail Active

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">CB

</td>

<td style="text-align:center;">203

</td>

<td>(not defined)</td>

<td>Other Active

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">CC

</td>

<td style="text-align:center;">204

</td>

<td>(not defined)</td>

<td>Voicemail Active

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">CD

</td>

<td style="text-align:center;">205

</td>

<td>(not defined)</td>

<td>Fax Active

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">CE

</td>

<td style="text-align:center;">206

</td>

<td>(not defined)</td>

<td>E-mail Active

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">CF

</td>

<td style="text-align:center;">207

</td>

<td>(not defined)</td>

<td>Other Active

</td>

<td>Value of bit 2

</td></tr>

<tr>

<th colspan="6" style="text-align:center;">Coding Group: Message Waiting Info: Store Message

</th></tr>

<tr>

<th>Character Set</th>

<th>Message Waiting Information

</th>

<th scope="column" style="text-align:center;">Compressed</th>

<th>Reserved Because

</th></tr>

<tr>

<td style="text-align:center;">D0

</td>

<td style="text-align:center;">208

</td>

<td>Voicemail Inactive

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">D1

</td>

<td style="text-align:center;">209

</td>

<td>Fax Inactive

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">D2

</td>

<td style="text-align:center;">210

</td>

<td>E-mail Inactive

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">D3

</td>

<td style="text-align:center;">211

</td>

<td>Other Inactive

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">D4

</td>

<td style="text-align:center;">212

</td>

<td>Voicemail Inactive

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">D5

</td>

<td style="text-align:center;">213

</td>

<td>Fax Inactive

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">D6

</td>

<td style="text-align:center;">214

</td>

<td>E-mail Inactive

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">D7

</td>

<td style="text-align:center;">215

</td>

<td>Other Inactive

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">D8

</td>

<td style="text-align:center;">216

</td>

<td>Voicemail Active

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">D9

</td>

<td style="text-align:center;">217

</td>

<td>Fax Active

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">DA

</td>

<td style="text-align:center;">218

</td>

<td>E-mail Active

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">DB

</td>

<td style="text-align:center;">219

</td>

<td>Other Active

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">DC

</td>

<td style="text-align:center;">220

</td>

<td>Voicemail Active

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">DD

</td>

<td style="text-align:center;">221

</td>

<td>Fax Active

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">DE

</td>

<td style="text-align:center;">222

</td>

<td>E-mail Active

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">DF

</td>

<td style="text-align:center;">223

</td>

<td>Other Active

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">E0

</td>

<td style="text-align:center;">224

</td>

<td>Voicemail Inactive

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">E1

</td>

<td style="text-align:center;">225

</td>

<td>Fax Inactive

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">E2

</td>

<td style="text-align:center;">226

</td>

<td>E-mail Inactive

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">E3

</td>

<td style="text-align:center;">227

</td>

<td>Other Inactive

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">E4

</td>

<td style="text-align:center;">228

</td>

<td>Voicemail Inactive

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">E5

</td>

<td style="text-align:center;">229

</td>

<td>Fax Inactive

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">E6

</td>

<td style="text-align:center;">230

</td>

<td>E-mail Inactive

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">E7

</td>

<td style="text-align:center;">231

</td>

<td>Other Inactive

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">E8

</td>

<td style="text-align:center;">232

</td>

<td>Voicemail Active

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">E9

</td>

<td style="text-align:center;">233

</td>

<td>Fax Active

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">EA

</td>

<td style="text-align:center;">234

</td>

<td>E-mail Active

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">EB

</td>

<td style="text-align:center;">235

</td>

<td>Other Active

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">EC

</td>

<td style="text-align:center;">236

</td>

<td>Voicemail Active

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">ED

</td>

<td style="text-align:center;">237

</td>

<td>Fax Active

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">EE

</td>

<td style="text-align:center;">238

</td>

<td>E-mail Active

</td>

<td>Value of bit 2

</td></tr>

<tr>

<td style="text-align:center;">EF

</td>

<td style="text-align:center;">239

</td>

<td>Other Active

</td>

<td>Value of bit 2

</td></tr>

<tr>

<th colspan="6" style="text-align:center;">Coding Group: Data Coding/Message Class

</th></tr>

<tr>

<th>Character Set</th>

<th>Message Class

</th>

<th scope="column" style="text-align:center;">Compressed</th>

<th>Reserved Because

</th></tr>

<tr>

<td style="text-align:center;">F0

</td>

<td style="text-align:center;">240

</td>

<td>Class 0 (Flash message)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">F1

</td>

<td style="text-align:center;">241

</td>

<td>Class 1 (ME-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">F2

</td>

<td style="text-align:center;">242

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">F3

</td>

<td style="text-align:center;">243

</td>

<td>Class 3 (TE-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">F4

</td>

<td style="text-align:center;">244

</td>

<td>Class 0 (Flash message)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">F5

</td>

<td style="text-align:center;">245

</td>

<td>Class 1 (ME-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">F6

</td>

<td style="text-align:center;">246

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">F7

</td>

<td style="text-align:center;">247

</td>

<td>Class 3 (TE-specific)

</td>

<td>

</td></tr>

<tr>

<td style="text-align:center;">F8

</td>

<td style="text-align:center;">248

</td>

<td>Class 0 (Flash message)

</td>

<td>Value of bit 3

</td></tr>

<tr>

<td style="text-align:center;">F9

</td>

<td style="text-align:center;">249

</td>

<td>Class 1 (ME-specific)

</td>

<td>Value of bit 3

</td></tr>

<tr>

<td style="text-align:center;">FA

</td>

<td style="text-align:center;">250

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>Value of bit 3

</td></tr>

<tr>

<td style="text-align:center;">FB

</td>

<td style="text-align:center;">251

</td>

<td>Class 3 (TE-specific)

</td>

<td>Value of bit 3

</td></tr>

<tr>

<td style="text-align:center;">FC

</td>

<td style="text-align:center;">252

</td>

<td>Class 0 (Flash message)

</td>

<td>Value of bit 3

</td></tr>

<tr>

<td style="text-align:center;">FD

</td>

<td style="text-align:center;">253

</td>

<td>Class 1 (ME-specific)

</td>

<td>Value of bit 3

</td></tr>

<tr>

<td style="text-align:center;">FE

</td>

<td style="text-align:center;">254

</td>

<td>Class 2 (SIM/USIM-specific)

</td>

<td>Value of bit 3

</td></tr>

<tr>

<td style="text-align:center;">FF

</td>

<td style="text-align:center;">255

</td>

<td>Class 3 (TE-specific)

</td>

<td>Value of bit 3

</td></tr></tbody></table>

<p><a href="IDEN" title="IDEN">iDEN</a> mobile standard uses values F7<sub>16</sub> and F8<sub>16</sub> in a special way.

</p>

<div class="mw-heading mw-heading3"><h3 id="CBS_data_coding_scheme">CBS data coding scheme</h3></div>

<p>For the DCS values in Cell Broadcast Messages see <a href="GSM_03.38" title="GSM 03.38">GSM recommendation 03.38</a>.<sup id="cite_ref-3GPP_23.038_1-2" class="reference"><a href="#cite_note-3GPP_23.038-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>

</p>

<ul><li><a href="Short_Message_Service" class="mw-redirect" title="Short Message Service">Short Message Service</a> (SMS)</li>

<li><a href="Cell_Broadcast" title="Cell Broadcast">Cell Broadcast</a></li>

<li><a href="User_Data_Header" title="User Data Header">User Data Header</a></li>

<li><a href="Concatenated_SMS" title="Concatenated SMS">Concatenated SMS</a></li>

<li><a href="Short_message_service_technical_realisation_(GSM)" class="mw-redirect" title="Short message service technical realisation (GSM)">Short message service technical realisation (GSM)</a></li>

<li><a href="Enhanced_Messaging_Service" title="Enhanced Messaging Service">Enhanced Messaging Service</a></li>

<li><a href="Multimedia_Messaging_Service" title="Multimedia Messaging Service">Multimedia Messaging Service</a></li>

<li><a href="Short_Message_Peer-to-Peer" title="Short Message Peer-to-Peer">Short Message Peer-to-Peer</a></li>

<li><a href="Universal_Computer_Protocol" class="mw-redirect" title="Universal Computer Protocol">Universal Computer Protocol</a></li></ul>

<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>

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<li id="cite_note-3GPP_23.038-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-3GPP_23.038_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-3GPP_23.038_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-3GPP_23.038_1-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.3gpp.org/ftp/Specs/html-info/23038.htm">3GPP TS 23.038</a>, Alphabets and language-specific information.</span>

</li>

</ol></div></div></div><div><div class="zim-footer">

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