A.6 Mapping of FA frames

23.1463GPPRelease 17Technical realization of facsimile Group 3 non-transparentTS

Refer also to 3GPP TS 27.002.

Figure A.1: Typical frame mapping within FA protocol

Figure A.2: Typical frame mapping between FA Protocol and RLP

Annex B (informative):
Abbreviations from ITU-T Recommendation T.30 and T.4

Table B.1: Abbreviations from ITU-T Recommendation T.30

Abbreviation

Function

Signal format

T.30

T.30

standard

err.corr.

CED

Called station identification

2100 Hz

X

X

CFR

Confirmation to receive

X010 0001

X

X

CRP

Command repeat

X101 1000

X

X

CIG

Calling subscriber identification

1000 1000

X

X

CNG

Calling tone

1100 Hz

X

X

CSI

Called subscriber identification

0000 0010

X

X

CTC

Continue to correct

X100 1000

X

CTR

Response to continue to correct

X010 0011

X

DCN

Disconnect

X101 1111

X

X

DCS

Digital command signal

X100 0001

X

X

DIS

Digital identification signal

0000 0001

X

X

DTC

Digital transmit command

1000 0001

X

X

EOM

End of message

X111 0001

X

EOP

End of procedure

X111 0100

X

EOR

End of retransmission

X111 0011

X

ERR

Response to end of retransmission

X011 1000

X

FCD

Facsimile coded data

0110 0000

X

FCF

Facsimile control field

‑‑‑

X

X

FCS

Frame checking sequence

16 bits

X

X

FIF

Facsimile information field

‑‑‑

X

X

FTT

Failure to train

X010 0010

X

X

MCF

Message confirmation

X011 0001

X

X

MPS

Multi‑page signal

X111 0010

X

NSC

Non‑standard facilities command

1000 0100

X

X

NSF

Non‑standard facilities

0000 0100

X

X

NSS

Non‑standard set‑up

X100 0100

X

X

PIN

Procedural interrupt negative

X011 0100

X

X

PIP

Procedural interrupt positive

X011 0101

X

X

PIS

Procedure interrupt signal

462 Hz

X

X

PPR

Partial page request

X011 1101

X

PPS

Partial page signal

X111 1101

X

PRI

Procedure interrupt

X111 XXXX

X

RCP

Return to control for partial page

0110 0001

X

RNR

Receive not ready

X011 0111

X

RR

Receive ready

X111 0110

X

RTN

Retrain negative

X011 0010

X

X

RTP

Retrain positive

X011 0011

X

X

TCF

Training check frame

0… 1.5s

X

X

TSI

Transmitting subscriber identification

X100 0010

X

X

Table B.2: Abbreviations from ITU-T Recommendation T.4

Abbreviation

Function

Signal format

EOL

End of line

0000 0000 0001

RTC

Return to control

6 * EOL

Annex C (informative):
Procedure examples

105, 106, 107, 108/2, 109: circuits according to ITU-T Recommendation V.24

(1) speech/fax call setting

(2) manual intervention

(3) triggered by ATA

(4) locally generated by the IWF

Figure C.1a: Mobile terminated call – speech then facsimile DCD mobile terminated

105, 106, 107, 108/2, 109: circuits according to ITU-T Recommendation V.24

(1) speech/fax call setting

(2) manual intervention

(3) triggered by ATD

(4) locally generated by the IWF

Figure C.1b: Mobile terminated call – speech then facsimile DCD mobile originated

105, 106, 107, 108/2, 109: circuits according to ITU-T Recommendation V.24

(1) fax call setting

(2) manual or automatic operation

(3) triggered by ATA

(4) locally generated by the IWF

Figure C.2: Mobile terminated call – auto answer

105, 106, 107, 108/2, 109: circuits according to ITU-T Recommendation V.24

(1) speech/fax call setting

(2) manual intervention

(3) triggered by ATA

(4) locally generated by the IWF

Figure C.3a: Mobile originated call – speech then facsimile DCD mobile terminated

105, 106, 107, 108/2, 109: circuits according to ITU-T Recommendation V.24

(1) speech/fax call setting

(2) manual intervention

(3) triggered by ATD

(4) locally generated by the IWF

Figure C.3b: Mobile originated call – speech then facsimile DCD mobile originated

105, 106, 107, 108/2, 109: circuits according to ITU-T Recommendation V.24

(1) manual intervention

(2) locally generated by the IWF

Figure C.4: Mobile originated call – auto calling

105, 106, 107, 108/2, 109: circuits according to ITU-T Recommendation V.24

(1) fax call setting

(2) manual intervention

(3) locally generated by the IWF

Figure C.5: Mobile originated call – manual calling

(1) triggered by delayed DCS(75 ms)

(2) triggered by delayed TCF(2,4 s)

Figure C.6: Mobile originated facsimile transmission

(1) triggered by delayed DCS(75 ms)

(2) triggered by delayed TCF(2,4 s)

Figure C.7: Mobile terminated facsimile transmission

(1) triggered by delayed DCS(75 ms)

(2) triggered by delayed TCF(2,4 s)

Figure C.8: Mobile originated facsimile transmission (error correction mode)

Figure C.9: Mobile originated facsimile transmission – error recovery (example)

Figure C.10: Mobile terminated facsimile transmission – error recovery (example)

(1) triggered by delayed DCS(75 ms)

(2) triggered by delayed FTT(75 ms)

Figure C.11: Mobile originated facsimile transmission – error recovery (example)

(1) triggered by delayed TCF error detection element (2,4 s)

Figure C.12: Mobile originated facsimile transmission – error recovery (example)

Figure C.13: Mobile originated facsimile transmission – error recovery (example)

Annex D (normative):
SDL Diagrams

The SDL specification within this Appendix shall be used as a reference model for implementation. The external behaviour of an implementation shall comply with the present document. However internal behaviour may be implementation dependent.

Table D.1: State symbols

State symbol

Phase / Mode

A

Phase A

Transmission / Reception side FA

NONECM / ECM

R-A1

Reception side FA

T

Phase B

Transmission side FA

T_B1

T_B2

T_B4

T_B5

R

Reception side FA

R_B1

R_B3

R_B4

R_B5

T_C1

Phase C

Transmission side FA

NONECM

T_C2

ECM

R_C1

Reception side FA

NONECM

R_C2

ECM

T_D1

Phase D

Transmission side FA

NONECM

T_D2

ECM

T_D2_res1

T_D2_res2

R_D1

Reception side FA

NONECM

R_D2

ECM

R_D1_MPS

NONECM

R_D1_EOM

R_D1_EOP

R_D2_NULL

ECM

R_D2_MPS

R_D2_EOM

R_D2_EOP

R_D2_E_NULL

R_D2_E_MPS

R_D2_E_EOM

R_D2_E_EOP

E1

Phase E

Transmission / Reception side FA

NONECM / ECM

E2

E3

Figure D.1: System 23.146 – Overview

Figure D.2a: Block FA_UE Entity

Figure D.2b: Procedure Reference

Figure D.3: Initial operation flow for a FA (Analogue)

Figure D.4: Transmission side FA, Phase B (Basic control flow)

Figure D.5: Reception side FA, Phase B

Figure D.6: Output conditions for "TCF error detection" for ECM&NONECM

Figure D.7: Selection algorithm for CFR /FTT for T-FA ECM & NONECM

Figure D.8: Stand-by method for V.21/V.17/V.27ter/V.29 for T-FA

Figure D.9: Output conditions for FTT and specified TX rate decision algorithm
for DCS NONECM & ECM

Figure D.10: Transmission side FA, Phase C for NONECM

Figure D.11: Reception side FA, phase C for NONECM

Figure D.12: Transmission side FA, Phase C for

Figure D.13: Reception side FA, phase C for ECM

Figure D.14: Transmission side FA for NON ECM, Phase D (Basic control flow)

Figure D.15: Reception side FA for NON ECM, Phase D (Basic control flow)

Figure D.16: Reception FA, Phase D (MPS)

Figure D.17: Reception FA, Phase D (EOM)

Figure D.18: Reception FA, Phase D (EOP)

Figure D.19: Transmission side FA for ECM, Phase D (Basic control flow)

Figure D.20: Selection algorithm for MCF/PPR/RNR

Figure D.21: Selection for ERR / RNR ECM

Figure D.22: Reception side FA for ECM, Phase D (Basic control flow)

Figure D.23: Reception FA, Phase D (PPS-NULL)

Figure D.24: Reception FA, Phase D (PPS-MPS)

Figure D.25: Reception FA, Phase D (PPS-EOP)

Figure D.26: Reception FA, Phase D (PPS-EOM)

Figure D.27: Reception FA, Phase D (EOR-NULL)

Figure D.28: Reception FA, Phase D (EOR-MPS)

Figure D.29: Reception FA, Phase D (EOR-EOP)

Figure D.30: Reception FA, Phase D (EOR-EOM)

Figure D.31: Command reception subroutine

Figure D.32: Wait subroutine

Figure D.33: Response reception subroutine

Figure D.34: RR response reception subroutine

Figure D.35: FA release flow (1)

Figure D.36: FA release flow (2)

Table D.2: Specified Timer values

Name of Timer

Timer Value

Refer to

T1

35 ± 5(sec)

ITU-T T.30

T2

6 ± 1(sec)

ITU-T T.30

T4

3,0(sec) ± 15%

ITU-T T.30

Twa

60(sec)

–

Fill_insertion_timer

4,5(sec)

ITU-T T.30

Flag_insertion_timer

50(sec)

ITU-T T.30

66s

66(sec)

ITU-T T.30

3s

3(sec)

–

Annex E (normative):
ASN.1 notation

ASN.1 notation

3GTS23146 DEFINITIONS AUTOMATIC TAGS ::=

BEGIN

IFPPacket ::= SEQUENCE

{

type-of-msg Type-of-msg,

data-field Data-Field OPTIONAL

}

Type-of-msg ::= CHOICE

{

t30-indicator ENUMERATED

{

no-signal,

cng,

ced,

tcf-error-detect,

fa-busy,

fa-non-busy,

},

data ENUMERATED

{

v21,

v27-2400,

v27-4800,

v29-7200,

v29-9600,

v17-7200,

v17-9600,

v17-12000,

v17-14400,

…

}

}

Data-Field ::= SEQUENCE OF SEQUENCE

{

field-type ENUMERATED

{

hdlc-data,

hdlc-sig-end,

hdlc-fcs-OK,

hdlc-fcs-BAD,

hdlc-fcs-OK-sig-end,

hdlc-fcs-BAD-sig-end,

t4-non-ecm-data,

t4-non-ecm-sig-end

},

field-data OCTET STRING (SIZE(1..65535)) OPTIONAL

}

UDPTLPacket ::= SEQUENCE

{

seq-number INTEGER (0..65535),

primary-ifp-packet TYPE-IDENTIFIER.&Type(IFPPacket),
error-recovery CHOICE

{

secondary-ifp-packets SEQUENCE OF TYPE-IDENTIFIER.&Type(IFPPacket),

fec-info SEQUENCE

{

fec-npackets INTEGER,

fec-data SEQUENCE OF OCTET STRING

}

}

}

END

Annex F (informative):
Change history

Change history

Date

TSG #

TSG Doc.

CR

Rev

Subject/Comment

Old

New

July 2000

CN#08

NP-000222

Approved to be made v4.0.0 and put under change control

2.0.0

4.0.0

09-2000

CN#09

NP-000476

001

Correction of SDL Diagrams

4.0.0

4.1.0

09-2000

CN#09

NP-000552

002

Modification of V.25bis to V.250

4.0.0

4.1.0

06-2002

CN#16

Upgraded to v5.0.0

4.1.0

5.0.0

12-2004

CN#26

Upgraded to v6.0.0

5.0.0

6.0.0

06-2007

CT#36

Upgraded to v7.0.0

6.0.0

7.0.0

12-2008

CT#42

Upgraded to v8.0.0 due to simple upgrade without no technical change

7.0.0

8.0.0

12-2009

CT#46

Automatic upgrade from previous Release

8.0.0

9.0.0

03-2011

CT#51

Automatic upgrade from previous Release version 9.0.0

9.0.0

10.0.0

03-2011

CT#51

Correction of heading and numbering made by MCC

10.0.0

10.0.1

09-2012

CT#57

Automatic upgrade from previous Release version 10.0.1

10.0.1

11.0.0

10-2014

Automatic upgrade from previous Release

11.0.0

12.0.0

12-2015

Automatic upgrade from previous Release

12.0.0

13.0.0

Change history

Date

TSG #

TSG Doc.

CR

Rev

Cat

Subject/Comment

New

2017-03

CT#75

Automatic upgrade from previous Release

14.0.0

2018-06

SA#80

–

–

–

Update to Rel-15 version (MCC)

15.0.0

2020-07

SA#88e

–

–

–

Update to Rel-16 version (MCC)

16.0.0

2022-03

SA#95e

–

–

–

Update to Rel-17 version (MCC)

17.0.0