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Content for
TS 48.006
Word version: 18.0.0
1…
6…
6
Message transfer part (MTP) functions
6a
Message Transfer Part 3 (MTP3) - User Adaptation Layer (M3UA) functions
7
Interface functions
8
SCCP functions
9
Use of the SCCP
10
Use of the SCCP for operations and maintenance
$
Change History
6
Message transfer part (MTP) functions
p. 10
6.1
General
p. 10
6.2
Level 1
p. 10
6.2.1
E1 link (ITU-T Recommendation Q.702)
p. 10
6.2.2
T1 link (ANSI Specification T1.111.2)
p. 11
6.3
Level 2
p. 11
6.3.1
E1 link (ITU-T Recommendation Q.703)
p. 11
6.3.2
T1 link (ANSI Specification T1.111.3)
p. 12
6.4
Level 3
p. 12
6.4.1
E1 link (ITU-T Recommendation Q.704)
p. 12
6.4.2
T1 link (ANSI Specification T1.111.4)
p. 16
6.5
Testing and Maintenance
p. 19
6.5.1
E1 link (ITU-T Recommendation Q.707)
p. 19
6.5.2
T1 link (ANSI Specification T1.111.7)
p. 19
6a
Message Transfer Part 3 (MTP3) - User Adaptation Layer (M3UA) functions
p. 20
6a.1
Introduction
p. 20
6a.2
Protocol Stack
p. 20
6a.3
Data Link Layer
p. 21
7
Interface functions
p. 21
8
SCCP functions
p. 21
8.1
Overview
p. 21
8.2
Primitives
p. 22
8.2.1
E1 link (ITU-T Recommendation Q.711)
p. 22
8.2.2
T1 link (ANSI SpecificationT1.112.1)
p. 22
8.3
SCCP messages
p. 23
8.3.1
E1 link (ITU-T Recommendation Q.712)
p. 23
8.3.2
T1 link (ANSI Specification T1.112.2)
p. 24
8.4
SCCP formats and codes
p. 25
8.4.1
E1 link (ITU-T Recommendation Q.713)
p. 25
8.4.2
T1 link (ANSI Specification T1.112.3)
p. 26
8.5
SCCP procedures
p. 26
8.5.1
E1 link (ITU-T Recommendation Q.714)
p. 26
8.5.2
T1 link (ANSI Specification T1.112.4)
p. 28
9
Use of the SCCP
p. 29
9.1
Connection establishment
p. 29
9.1.1
Establishment procedure in case i)
p. 31
9.1.2
Establishment procedure in case ii)
p. 31
9.1.3
Establishment procedure in case iii)
p. 31
9.1.4
Establishment procedure in case iv)
p. 32
9.2
Connection release
p. 32
9.3
Transfer of DTAP and BSSMAP data
p. 32
9.3.1
Distribution function
p. 32
9.3.1.1
ITU-T Recommendation
p. 32
9.3.1.2
ANSI Specification
p. 33
9.3.2
Transfer of DTAP messages
p. 33
9.3.3
Transfer of BSSMAP messages
p. 34
9.4
Connectionless services
p. 34
9.4.1
Discrimination parameter (ITU-T Recommendation)
p. 34
9.4.2
Discrimination parameter (ANSI Specification)
p. 35
9.4.3
User Data Field Structure
p. 35
10
Use of the SCCP for operations and maintenance
p. 35
10.1
Connectionless service
p. 35
10.2
Connection oriented services
p. 36
10.3
BSS failure
p. 36
$
Change History
p. 37