GSM 11.14 - Version 5.2.0 - Digital cellular ... - Ttfn.net
GSM 11.14 - Version 5.2.0 - Digital cellular ... - Ttfn.net
GSM 11.14 - Version 5.2.0 - Digital cellular ... - Ttfn.net
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<strong>GSM</strong> <strong>11.14</strong> version <strong>5.2.0</strong>: December 1996<br />
11.7 Device identities<br />
Byte(s) Description Length<br />
1 Device identities tag 1<br />
2 Length = "02" 1<br />
3 Source device identity 1<br />
4 Destination device identity 1<br />
- Source device identity<br />
Contents: the source device for information held in the data objects which follow.<br />
- Destination device identity<br />
Contents: the destination device for information held in the data objects which follow.<br />
NOTE: Only some combinations of Type of Command, Data Download type and Device<br />
identities are allowed. These are defined later in section 13.<br />
Coding: both Source and Destination device identities are coded as follows:<br />
- "01" = Keypad<br />
- "02" = Display<br />
- "03" = Earpiece<br />
- "81" = SIM<br />
- "82" = ME<br />
- "83" = Network<br />
All other values are reserved.<br />
11.8 Duration<br />
Byte(s) Description Length<br />
1 Duration tag 1<br />
2 Length = "02" 1<br />
3 Time unit 1<br />
4 Time interval 1<br />
- Time unit<br />
Contents: time unit used; minutes, seconds or tenths of seconds.<br />
Coding:<br />
"00" Minutes<br />
"01" Seconds<br />
"02" Tenths of seconds<br />
All other values are reserved.<br />
- Time interval<br />
Contents: the length of time required, expressed in units.<br />
Coding: The time interval is coded in integer multiples of the time unit used. The range is from 1 unit to<br />
255 units. The encoding is:<br />
- "00": reserved<br />
- "01": 1 unit<br />
- "02": 2 units<br />
- : :<br />
- "FF": 255 units