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Content for TS 24.247 Word version: 18.0.0

1… 5…

5.1 Introduction 5.2 Functional entities 5.3 Role 6.1 Introduction 6.2 Functional entities 6.3 Role 7.1 Introduction 7.2 Functional entities 8.1 Introduction 8.2 Functional entities 8.3 Role 9.1 Introduction 9.2 Functional entities 9.3 Role A.1 Scope of signalling flows A.2 Introduction A.3 Signalling flows demonstrating immediate messaging A.4 Signalling flows demonstrating session-based messaging A.5 Flows demonstrating session-based messaging conferences

5 Protocol using SIP for page-mode messaging p. 8

5.1 Introduction p. 8

5.1.1 Sending immediate message to multiple recipients p. 8

5.2 Functional entities p. 9

5.2.1 User Equipment (UE) p. 9

5.2.2 Application Server (AS) p. 9

5.2.3 Media Resource Function Controller (MRFC) p. 9

5.3 Role p. 9

5.3.1 Participant p. 9

5.3.1.1 General p. 9

5.3.1.2 Sending of an immediate message p. 9

5.3.1.3 Receiving an immediate message p. 9

5.3.1.4 Consent to list server distribution |R8| p. 10

5.3.2 Application Server (AS) p. 10

5.3.2.1 Receiving an immediate message for unregistered Public User Identity p. 10

5.3.3 List Server p. 10

5.3.3.1 List server originating case p. 10

5.3.3.2 List server terminating case p. 10

5.3.3.3 List Server processing the MESSAGE URI-list p. 11

5.3.3.4 List server support of MESSAGE URI-lists |R8| p. 11

6 Protocol using SIP for session-mode messaging p. 11

6.1 Introduction p. 11

6.2 Functional entities p. 11

6.2.1 User Equipment (UE) p. 11

6.3 Role p. 12

6.3.1 Participant p. 12

6.3.1.1 General p. 12

6.3.1.2 Session initiation - mobile originating case p. 12

6.3.1.3 Session initiation - mobile terminating case p. 12

6.3.2 Intermediate Node p. 12

6.3.2.1 General p. 12

6.3.2.2 Generic procedures for all methods at the intermediate node p. 12

6.3.2.2.1 Intermediate node - originating case p. 12

6.3.2.2.2 Intermediate node - terminating case p. 12

6.3.2.3 Session Initiation p. 13

6.3.2.3.1 Session initiation - originating case p. 13

6.3.2.3.2 Session initiation - terminating case p. 13

7 Protocol using SIP for session-mode messaging conferences p. 13

7.1 Introduction p. 13

7.2 Functional entities p. 13

7.2.1 User Equipment (UE) p. 13

7.2.2 Media Resource Function Controller (MRFC) p. 13

7.2.3 Conferencing Application Server (AS) p. 13

8 Protocol using SDP for session-mode messaging and session-mode messaging conferences p. 14

8.1 Introduction p. 14

8.2 Functional entities p. 14

8.2.1 User Equipment (UE) p. 14

8.2.2 Media Resource Function Controller (MRFC) p. 14

8.2.3 Application Server (AS) p. 14

8.3 Role p. 14

8.3.1 SDP offerer p. 14

8.3.2 SDP answerer p. 15

8.3.3 Void

9 Protocol using MSRP for session-mode messaging and session-mode messaging conferences p. 16

9.1 Introduction p. 16

9.2 Functional entities p. 16

9.2.1 User Equipment (UE) p. 16

9.2.1.1 General p. 16

9.2.2 Application Server (AS) p. 16

9.2.3 Media Resource Function Processor (MRFP) p. 16

9.3 Role p. 16

9.3.1 MSRP sender p. 16

9.3.1.1 MSRP sender sends a message p. 16

9.3.2 MSRP receiver p. 17

9.3.3 Intermediate node p. 17

9.3.3.1 Intermediate node terminating case p. 17

9.3.3.2 Intermediate node originating case p. 17

10 Void

A Example signalling flows of messaging service operation p. 18

A.1 Scope of signalling flows p. 18

A.2 Introduction p. 18

A.2.1 General p. 18

A.2.2 Key required to interpret signalling flows p. 18

A.3 Signalling flows demonstrating immediate messaging p. 19

A.4 Signalling flows demonstrating session-based messaging p. 19

A.4.1 Introduction p. 19

A.4.2 Establishing a session for session-based messaging without preconditions p. 19

A.4.3 Establishing a session for session-based messaging with Intermediate Nodes p. 33

A.4.4 Establishing a session for session-based messaging with preconditions p. 56

A.5 Flows demonstrating session-based messaging conferences p. 57

A.5.1 User connecting into a messaging conference p. 57

A.5.2 MRFC/AS invites a user to a messaging conference p. 66

$ Change history p. 76