15.1.1  General

15.1.2  SDS SIGNALLING PAYLOAD message

15.1.3  FD SIGNALLING PAYLOAD message  Word‑p. 231

15.1.4  DATA PAYLOAD message  Word‑p. 232

15.1.5  SDS NOTIFICATION message  Word‑p. 233

15.1.6  FD NOTIFICATION message

15.1.7  SDS OFF-NETWORK MESSAGE message  Word‑p. 234

15.1.8  SDS OFF-NETWORK NOTIFICATION message

15.1.9  FD NETWORK NOTIFICATION message  Word‑p. 235

15.1.10  COMMUNICATION RELEASE message

15.1.11  DEFERRED DATA REQUEST message |R15|  Word‑p. 236

15.1.12  DEFERRED DATA RESPONSE message |R15|

15.1.13  FD HTTP TERMINATION |R15|  Word‑p. 237

15.1.14  GROUP EMERGENCY ALERT message |R16|

15.1.15  GROUP EMERGENCY ALERT ACK message |R16|  Word‑p. 238

15.1.16  GROUP EMERGENCY ALERT CANCEL message |R16|

15.1.17  GROUP EMERGENCY ALERT CANCEL ACK message |R16|  Word‑p. 239

15.2.1  General

15.2.2  Message type  Word‑p. 240

15.2.3  SDS disposition request type

15.2.4  FD disposition request type  Word‑p. 241

15.2.5  SDS disposition notification type

15.2.6  FD disposition notification type

15.2.7  Application ID  Word‑p. 242

15.2.8  Date and time

15.2.9  Conversation ID

15.2.10  Message ID  Word‑p. 243

15.2.11  InReplyTo message ID

15.2.12  Number of payloads

15.2.13  Payload  Word‑p. 244

15.2.14  MCData group ID  Word‑p. 245

15.2.15  MCData user ID

15.2.16  Mandatory download  Word‑p. 246

15.2.17  Metadata

15.2.18  Notification type  Word‑p. 247

15.2.19  Data query type

15.2.20  Comm release Information type  Word‑p. 248

15.2.21  Extension response type

15.2.22  Termination Information type |R15|  Word‑p. 249

15.2.23  Release Response Type |R15|

15.2.24  Extended application ID |R15|  Word‑p. 250

15.2.25  User location |R16|

15.2.26  Organization name |R16|  Word‑p. 251

15.2.27  Deferred FD signalling payload |R17|