SCCP Q.713 - Formats and Codes

1

General

1.1

Message type code

Full

1.2

Formatting principles

Full

1.3

Mandatory fixed part

Full

1.4

Mandatory variable part

Full

1.5

Optional part

Full

1.6

End of optional parameters octet

Full

1.7

Order of transmission

Full

1.8

Coding of spare bits

Full

1.9

National message types and parameters

Full

1.1

International message types and parameters

Full

2

Coding of the general parts

2.1

Coding of the message type

Partial

Class 3 and class 4 messages are not supported.

2.2

Coding of the length indicator

Full

2.3

Coding of the pointers

Full

3

SCCP parameters

Partial

Only the parameters related to messages of class 0 and class 1 are supported.

3.1

End of optional parameters

Partial

Encoding is not implemented.

3.2

Destination local reference

None

Not compliant - see 3

3.3

Source local reference

None

Not compliant - see 3

3.4

Called party address

Full

3.4.1

Address indicator

Full

3.4.2

Address

Full

3.4.2.1

Signalling point code

Full

3.4.2.2

Subsystem number

Full

3.4.2.3

Global title

Full

3.4.2.3.1

Global title indicator = 0001

Full

3.4.2.3.2

Global title indicator = 0010

Full

3.4.2.3.3

Global title indicator = 0011

Full

3.4.2.3.4

Global title indicator = 0100

Full

3.5

Calling party address

Full

3.6

Protocol class

Full

3.7

Segmenting/reassembling

Partial

Encoding is not implemented.

3.8

Receive sequence number

None

Not compliant - see 3

3.9

Sequencing/segmenting

None

Not compliant - see 3

3.1

Credit

None

Not compliant - see 3

3.11

Release cause

None

Not compliant - see 3

3.12

Return cause

Full

3.13

Reset cause

None

Not compliant - see 3

3.14

Error cause

None

Not compliant - see 3

3.15

Refusal cause

None

Not compliant - see 3

3.16

Data

Full

3.17

Segmentation

Full

3.18

Hop counter

Full

3.19

Importance

Full

3.20

Long data

Partial

Encoding is not implemented.

4

SCCP messages and codes

4.1

General

4.1.1

4.1.2

4.1.3

4.1.4

4.2

Connection request (CR)

None

Not compliant - see 3

4.3

Connection confirm (CC)

None

Not compliant - see 3

4.4

Connection refused (CREF)

None

Not compliant - see 3

4.5

Released (RLSD)

None

Not compliant - see 3

4.6

Release complete (RLC)

None

Not compliant - see 3

4.7

Data form 1 (DT1)

None

Not compliant - see 3

4.8

Data form 2 (DT2)

None

Not compliant - see 3

4.9

Data acknowledgement (AK)

None

Not compliant - see 3

4.1

Unitdata (UDT)

Full

4.11

Unitdata service (UDTS)

Full

4.12

Expedited data (ED)

None

Not compliant - see 2.1

4.13

Expedited data acknowledgement (EA)

None

Not compliant - see 2.1

4.14

Reset request (RSR)

None

Not compliant - see 2.1

4.15

Reset confirmation (RSC)

None

Not compliant - see 2.1

4.16

Protocol data unit error (ERR)

None

Not compliant - see 2.1

4.17

Inactivity test (IT)

None

Not compliant - see 2.1

4.18

Extended unitdata (XUDT)

Full

4.19

Extended unitdata service (XUDTS)

Full

4.20

Long unitdata (LUDT)

Partial

Encoding is not implemented.

4.21

Long unitdata service (LUDTS)

Partial

Encoding is not implemented.

5

SCCP Management messages and codes

5.1

General

Full

5.1.1

SCMG format identifier

Full

5.1.2

Formatting principles

Full

5.2

SCMG message parameters

5.2.1

Affected SSN

Full

5.2.2

Affected PC

Full

5.2.3

Subsystem multiplicity indicator

Full

Encoding is not implemented.

5.2.4

SCCP congestion level

Full

Encoding is not implemented.

5.3

SCMG Messages

Partial

SOR and SOG are not supported.

6

References

6.1

Normative references

6.2

Informative references

A.1

Introduction

None

Not compliant - see 3

A.2

Connection refusal

None

Not compliant - see 3

A.3

Connection release

None

Not compliant - see 3

A.4

Connection reset

None

Not compliant - see 3

A.5

Return cause

Full