ETSI ETS 300 099 ed.1 (1992-08)

Integrated Services Digital Network (ISDN); Specification of the Packet Handler access point Interface (PHI)

T/NA2(89)10

Digitalno omrežje z integriranimi storitvami (ISDN) – Specifikacija vmesnika dostopovne točke paketnega strežnika (PHI)

General Information

• Status: Published
• Publication Date: 20-Aug-1992
• Technical Committee: NA 2 - Numbering, Addressing, Routeing & Interworking
• Current Stage: 12 - Completion
• Due Date: 13-Dec-1991
• Completion Date: 21-Aug-1992
• Ref Project: SIST ETS 300 099 E1:2003 - Integrated Services Digital Network (ISDN); Specification of the Packet Handler access point Interface (PHI)

Standards Content (Sample)

SLOVENSKI STANDARD
SIST ETS 300 099 E1:2003
01-december-2003
'LJLWDOQRRPUHåMH]LQWHJULUDQLPLVWRULWYDPL,6'1±6SHFLILNDFLMDYPHVQLND
GRVWRSRYQHWRþNHSDNHWQHJDVWUHåQLND3+,
Integrated Services Digital Network (ISDN); Specification of the Packet Handler access
point Interface (PHI)
Ta slovenski standard je istoveten z: ETS 300 099 Edition 1
ICS:
33.080 Digitalno omrežje z Integrated Services Digital
integriranimi storitvami Network (ISDN)
(ISDN)
SIST ETS 300 099 E1:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

SIST ETS 300 099 E1:2003

---------------------- Page: 2 ----------------------

SIST ETS 300 099 E1:2003
EUROPEAN ETS 300 099
TELECOMMUNICATION August 1992
STANDARD
Source: ETSI TC-NA Reference: T/NA2(89)10
ICS: 33.080
ISDN, access, interface
Key words:
Integrated Services Digital Network (ISDN);
Specification of the
Packet Handler access point Interface (PHI)
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
F-06921 Sophia Antipolis CEDEX - FRANCE
Postal address:
650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Office address:
c=fr, a=atlas, p=etsi, s=secretariat - [e-mail]
X.400: Internet:
Tel.: [phone] - Fax: [phone]
Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the
foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 1992. All rights reserved.
New presentation - see History box

---------------------- Page: 3 ----------------------

SIST ETS 300 099 E1:2003
Page 2
ETS 300 099: August 1992
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.

---------------------- Page: 4 ----------------------

SIST ETS 300 099 E1:2003
Page 3
ETS 300 099: August 1992
Contents
Foreword.11
1 Scope .13
1.1 Implementation alternatives for ISDN packet mode services and applicability of this
specification.13
1.2 ISDN packet mode services supported .13
1.3 Local and remote access to the PHI .13
2 Normative references .14
3 Definitions and abbreviations.16
3.1 Definitions.16
3.2 Abbreviations.18
4 Reference configuration and functional model .19
4.1 Reference configuration.19
4.2 Basic functional model.21
4.3 Functional model for remote access to the PHI.23
5 Services supported by the PHI specification .25
5.1 Basic services.25
5.1.1 Services provided on the B-channel .25
5.1.1.1 Semipermanent access.25
5.1.1.2 Switched access . 26
5.1.2 Services provided on the D-channel (case B).26
5.1.2.1 Semipermanent access.26
5.1.2.2 PLL access. 27
5.1.2.3 Switched access . 27
5.2 Detailed service aspects.27
5.2.1 Notification of incoming calls.27
5.2.1.1 No Notification Class.28
5.2.1.2 Conditional Notification Class.28
5.2.2 Mapping of information elements .28
5.2.3 Access connection clearing .28
5.2.4 Access collision.29
5.2.5 Cause mappings .29
5.3 Numbering, addressing and terminal selection .29
5.3.1 Numbering and addressing.29
5.3.2 Terminal selection and compatibility checking .30
5.3.3 Directory number and services association.31
5.4 Services cross-reference and conformance statement for the PHI .31
6 Basic interface structure .33
6.1 General.33
6.2 Interface architecture for single-PRA PHI.33
6.2.1 Local PHI access .33
6.2.2 Remote PHI access.33
6.3 PHI channel types .36
6.3.1 D64-channel.36
6.3.2 Bb-channels (case A and case B).39
6.3.3 Bd-channels.39
6.3.3.1 Data transfer. 41
6.3.3.2 Link layer management .41

---------------------- Page: 5 ----------------------

SIST ETS 300 099 E1:2003
Page 4
ETS 300 099: August 1992
7 Interface configuration .44
7.1 Frame handler function at the CRF-S .44
7.2 Multi-PRA PHI configuration .44
8 Operations, administration and maintenance (OA&M).44
8.1 General .44
8.1.1 Scope.44
8.1.2 Definitions.44
8.1.3 Principles.44
8.2 Layer 1 OA&M requirements.45
8.2.1 Administration .45
8.2.1.1 Provisioning of semi-permanent Bb-channels.45
8.2.1.2 Provisioning of semi-permanent Bd-channels.45
8.2.2 Operations and maintenance .45
8.2.2.1 Primary rate access.45
8.2.2.2 Establishment and release of switched Bd-channels due
to operational requirements .45
8.2.2.3 Re-establishment of dynamically provisioned
semi-permanent Bd-channels in case of failure.45
8.3 Layer 2 OA&M requirements.46
8.3.1 Bb-channels .46
8.3.2 Bd-channels .46
8.3.2.1 Administration.46
8.3.2.2 Operations .46
8.3.2.2.1 General status and performance
monitoring.46
8.3.2.2.2 Load sharing .47
8.3.2.3 Maintenance.47
8.3.3 D64-channel.47
8.4 Layer 3 OA&M requirements.47
8.4.1 Service support .47
8.4.1.1 CCITT Recommendation X.25 Packet Layer Procedures
(PLP).47
8.4.1.2 PVCs on the D-channel .47
8.4.2 Signalling (D64 and Bd-inband).48
8.4.2.1 Administration.48
8.4.2.2 Operations .48
8.4.2.2.1 D64-signalling.48
8.4.2.2.2 Bd-inband signalling .48
8.4.2.3 Maintenance.48
8.4.2.3.1 D64-signalling.48
8.4.2.3.2 Bd-inband signalling .48
9 Frame multiplexing on the Bd-channels.48
9.1 Principle .48
9.2 Address field layout.49
9.3 Subscriber data links .51
9.4 Signalling data link.51
9.4.1 The DLCI value of the signalling data link.51
9.4.2 Establishment of the signalling data link.52
9.4.3 Signalling data link failure .52
9.4.4 Recovery of the signalling data link .52
9.5 Switchover and concentration.53
9.6 Reset procedures.53
9.7 Bd-channel continuity check.53
9.7.1 HDLC Flag continuity check procedure.53
9.7.2 Management frame continuity check procedure.54
9.7.2.1 Both-way procedure description.54
9.7.2.2 One-way procedure description .54
9.7.2.3 Management frame layouts .55

---------------------- Page: 6 ----------------------

SIST ETS 300 099 E1:2003
Page 5
ETS 300 099: August 1992
9.7.2.4 Parameter set. 55
9.8 Connection verification procedure .56
9.9 Peer busy procedures .56
9.10 Default timer values.56
10 PHI signalling .57
10.1 General introduction .57
10.1.1 Signalling procedures.57
10.1.2 Signalling messages.57
10.1.3 Information Elements.57
10.2 B-channel services, switched, case A . 58
10.2.1 Signalling messages.58
10.2.1.1 Call proceeding .59
10.2.1.2 Connect . 59
10.2.1.3 Connect acknowledge.59
10.2.1.4 Disconnect.59
10.2.1.5 Release.60
10.2.1.6 Release complete.60
10.2.1.7 Setup.60
10.2.1.8 Status.61
10.2.1.9 Status enquiry .61
10.2.2 Case A, procedures for an outgoing call (CRF-P to PH) .61
10.2.3 Case A, procedures for an incoming call (PH to CRF-P).62
10.2.4 Case A, procedures for call clearing .63
10.3 B-channel services, switched, case B . 63
10.3.1 Signalling messages.63
10.3.1.1 Call proceeding .64
10.3.1.2 Connect . 64
10.3.1.3 Connect acknowledge.64
10.3.1.4 Disconnect.65
10.3.1.5 Release.65
10.3.1.6 Release complete.65
10.3.1.7 Setup.66
10.3.1.8 Status.66
10.3.1.9 Status enquiry .67
10.3.2 Case B, procedures for an outgoing call (CRF-P to PH) .67
10.3.3 Case B, procedures for an incoming call (PH to CRF-P).68
10.3.4 Case B, procedures for call clearing .69
10.4 Switched Bd-channels .69
10.4.1 Signalling messages for circuit mode procedures.69
10.4.1.1 Connect .70
10.4.1.2 Setup.70
10.4.2 Signalling messages for packet mode procedures.70
10.4.2.1 Connect . 70
10.4.2.2 Setup.71
10.4.3 Procedures for Bd-channels established by the CRF-S (CRF-P to PH).71
10.4.4 Procedures for Bd-channels established by the PH (PH to CRF-P).72
10.4.5 Procedures for Bd-channel access connection clearing.73
10.5 D-channel services, switched, case B. 73
10.5.1 Signalling messages.73
10.5.1.1 Connect .74
10.5.1.2 Release.74
10.5.1.3 Release complete.74
10.5.1.4 Setup.75
10.5.1.5 Status.76
10.5.2 Procedures for data link establishment by the CRF-S (CRF-S to PH) .76
10.5.3 Procedures for data link establishment by the PH (PH to CRF-S).77
10.5.4 Procedures for data link disconnection .79
10.5.5 Procedures after receipt of a STATUS message .80
10.6 Restart on the D64-channel. 80

---------------------- Page: 7 ----------------------

SIST ETS 300 099 E1:2003
Page 6
ETS 300 099: August 1992
10.6.1 Signalling messages .80
10.6.1.1 Restart .81
10.6.1.2 Restart acknowledge .81
10.6.1.3 Status.81
10.6.2 Restart procedure .81
10.7 The timers T320, TPHI, TPH, and TCRF.82
11 Static and dynamic provisioning for PLL and semipermanent services.82
11.1 General Introduction.82
11.1.1 Signalling procedures.83
11.1.2 Signalling messages .83
11.1.3 Information elements .83
11.2 B-channel services, case A and case B, semipermanent .83
11.2.1 Static provisioning.83
11.2.2 Dynamic provisioning .83
11.3 Semipermanent Bd-channels.83
11.3.1 Static provisioning.83
11.3.2 Dynamic provisioning .83
11.3.3 De-registration of dynamically provisioned Bd-channels .84
11.4 D-channel services, PLL .84
11.4.1 PLL data link provisioning, static.84
11.4.2 Messages for dynamic provisioning of PLL data links .84
11.4.2.1 Register.85
11.4.2.2 Release complete.85
11.4.2.3 The linked identifier of the invoke component.85
11.4.2.4 The argument of the invoke component.86
11.4.2.5 The result of the return result component.86
11.4.2.6 The error value of the return error component.86
11.4.2.7 The parameter of the return error component.86
11.4.3 Procedures for PLL data link registration by the CRF-S (CRF-S to PH).86
11.4.4 Procedures for PLL data link registration by the PH (PH to CRF-S).87
11.4.5 Procedures for PLL data link de-registration.88
11.5 D-channel services, semipermanent.89
11.5.1 Semipermanent data link provisioning, static .89
11.5.2 Messages for dynamic provisioning of semipermanent data links.89
11.5.3 Procedures for semipermanent data link registration .89
11.5.4 Procedures for semipermanent data link de-registration .90
12 Exception handling.90
12.1 B-channel service (case A and B) .90
12.1.1 Outgoing call.90
12.1.2 Incoming call.90
12.1.2.1 Unsuccessful call .90
12.1.2.2 Premature clearing by remote terminal .90
12.1.2.3 No Bb-channel available .90
12.1.2.4 Data link disconnect.90
12.1.2.5 Acceptance of call on existing B-channel.91
12.1.3 Call collision .91
12.1.4 Data transfer phase.91
12.1.4.1 Subscriber disconnects data link .91
12.1.4.2 Bb-channel is cleared.91
12.1.4.3 Restart on PHI.91
12.2 Bd-channel establishment.91
12.2.1 Bd-channel establishment by the CRF-S.92
12.2.1.1 Corrupted "user-user" information element.92
12.2.2 Bd-channel establishment by the PH .92
12.2.2.1 Corrupted "user-user" information element.92
12.3 Switched D-channel service.92
12.3.1 Exception resolution using layer 2 procedures.92
12.3.1.1 Exception reporting on the user-network interface .92

---------------------- Page: 8 ----------------------

SIST ETS 300 099 E1:2003
Page 7
ETS 300 099: August 1992
12.3.1.2 No exception reporting .93
12.3.1.3 DM-frame in the Bd-channel .93
12.3.2 Outgoing call.93
12.3.2.1 No Bd-channel available .93
12.3.2.2 Signalling data link disconnection.93
12.3.2.3 Data link establishment rejection.93
12.3.2.4 Repeated DLCI . 94
12.3.3 Incoming call.94
12.3.3.1 Unsuccessful call .94
12.3.3.2 Premature clearing by remote terminal .94
12.3.3.3 No Bd-channel available .95
12.3.3.4 Signalling data link disconnection.95
12.3.3.5 Acceptance of call on existing data link.95
12.3.3.6 Repeated "called party number".95
12.3.3.7 Repeated DLCI . 96
12.3.3.8 Data link disconnect.96
12.3.4 Call collision.96
12.3.5 Data transfer phase. 96
12.3.5.1 Subscriber disconnects data link .96
12.3.5.2 Bd-channel is cleared.96
12.3.5.3 Restart on PHI . 96
12.4 PLL or semipermanent D-channel service.96
12.4.1 Outgoing call.96
12.4.1.1 No Bd-channel available .96
12.4.1.2 SETUP with PLL (semipermanent) DLCI value.97
12.4.1.3 SABME with unknown DLCI.97
12.4.2 Incoming call.97
12.4.2.1 No Bd-channel available .97
12.4.2.2 SABME with unknown DLCI.97
12.4.3 Call collision.97
12.4.3.1 Call collision on network-user interface.97
12.4.3.2 Call collision on the Bd-channel .98
12.4.3.3 Exceeding the maximum number of data links .98
12.4.4 Data transfer phase. 98
12.5 PLL or semipermanent registration or de-registration.98
12.5.1 Registration and de-registration by the CRF-S.98
12.5.1.1 Data link disconnection.98
12.5.1.2 Repeated DLCI . 98
12.5.1.3 Unknown de-registration parameter.98
12.5.2 Registration or de-registration by the PH.99
12.5.2.1 Data link disconnection.99
12.5.2.2 Repeated "called party number".99
12.5.2.3 Repeated DLCI . 99
12.5.2.4 Unknown de-registration parameter.99
13 Additional information elements for PHI signalling.99
13.1 Coding rules .99
13.2 Coding of the additional information elements. 103
13.2.1 DLCI value. 103
13.2.2 Bd-channel reference number. 103
13.2.3 FH reference number. 104
13.2.4 Additional subscriber information . 104
13.2.5 Type of service . 105
13.2.6 Called party number .
...