Content for TS 44.068 Word version: 18.0.0
6 Elementary procedures for Group Call Control
7 Handling of unknown, unforeseen, and erroneous protocol data
8 Message functional definitions and contents
9 Contents of information elements value parts
A Example of the coding of the user-user information after decompression of the originator-to-dispatcher information
$ Change History
6 Elementary procedures for Group Call Control p. 8
6.1 Overview p. 8
6.1.1 General p. 8
6.1.2 Group call control states p. 10
6.1.2.1 Group call control states at the MS side of the interface p. 10
6.1.2.1.1 Attributes and parameters of GCC in the MS p. 10
6.1.2.1.2 NULL (U0) p. 10
6.1.2.1.3 MM CONNECTION PENDING (U0.p) p. 10
6.1.2.1.4 GROUP CALL INITIATED (U1) p. 10
6.1.2.1.5 GROUP CALL ACTIVE (U2) p. 11
6.1.2.1.6 GROUP CALL PRESENT (U3) p. 11
6.1.2.1.7 GROUP CALL CONNECTION REQUESTED (U4) p. 11
6.1.2.1.8 TERMINATION REQUESTED (U5) p. 11
6.1.2.1.9 Sub-states of the Group call active state p. 11
6.1.2.1.10 GCC Timers in the MS p. 12
6.1.2.1.11 Consistency of parameters and states p. 12
6.1.2.2 Group call control states at the network side of the interface p. 13
6.2 Procedures for establishment of a group call p. 13
6.2.1 Activation of a group call by the network p. 13
6.2.2 Mobile originated establishment p. 13
6.2.3 Mobile terminating group call establishment in the MS p. 15
6.3 Procedures during the active state of a group call p. 15
6.3.1 Mobile station procedures in the active state p. 15
6.3.2 Network procedures in the active state p. 16
6.4 Procedures for release, abortion, and termination of a group call p. 16
6.5 Miscellaneous procedures p. 17
7 Handling of unknown, unforeseen, and erroneous protocol data p. 17
7.1 General p. 17
7.2 Message too short p. 18
7.3 Unknown or unforeseen transaction identifier p. 18
7.4 Unknown or unforeseen message type p. 18
7.5 Non-semantical mandatory information element errors p. 18
7.6 Unknown and unforeseen information elements in the non-imperative message part p. 19
7.6.1 Information elements unknown in the message p. 19
7.6.2 Out of sequence information elements p. 19
7.6.3 Repeated Information elements p. 19
7.7 Non-imperative message part errors p. 19
7.8 Messages with semantically incorrect contents p. 19
8 Message functional definitions and contents p. 20
8.1 CONNECT p. 21
8.1.1 SMS indications p. 21
8.2 GET STATUS p. 21
8.2.1 mobile identity p. 22
8.3 IMMEDIATE SETUP p. 22
8.3.1 Mobile identity p. 22
8.3a IMMEDIATE SETUP 2 p. 23
8.3a.1 TMSI p. 23
8.3a.2 Compressed otdi p. 23
8.4 SET PARAMETER p. 23
8.5 SETUP p. 24
8.6 STATUS p. 24
8.6.1 Call state p. 25
8.6.2 State attributes p. 25
8.7 TERMINATION p. 25
8.8 TERMINATION REJECT p. 25
8.9 TERMINATION REQUEST p. 26
8.9.1 Talker priority p. 26
9 Contents of information elements value parts p. 26
9.1 Protocol Discriminator p. 26
9.2 Transaction identifier p. 26
9.3 Message Type p. 27
9.4 Other information elements p. 27
9.4.1 Call Reference p. 27
9.4.2 Call state p. 28
9.4.3 Cause p. 29
9.4.4 Originator indication p. 30
9.4.5 Not used p. 31
9.4.6 Spare Half Octet p. 31
9.4.7 State attributes p. 31
9.4.8 Compressed otdi p. 32
9.4.9 Talker priority p. 32
9.4.10 SMS indications p. 32
A Example of the coding of the user-user information after decompression of the originator-to-dispatcher information p. 34
$ Change History p. 35
