1
Scope
2 References
3
Relationships to other Recommendations
4
Abbreviations
5
Introduction to B-ISDN User Part signalling procedures
5.1 Address signalling
5.2 Basic procedures
5.3 Extensions integrated into the basic procedures
5.3.1 Former ITU-T Recommendation Q.2723.1
(07/96), B-ISDN User Part –Support of additional traffic parameters for
Sustainable Cell Rate (SCR) and Quality of Service (QOS)
5.3.2
Former ITU-T Recommendation Q.2723.2 (09/97), Extensions to the B‑ISDN
User Part – Support of ATM transfer capability in the broadband bearer
capability parameter
5.3.3 Former ITU-T Recommendation Q.2723.3
(09/97), Extensions to the B‑ISDN User Part – Signalling capabilities to
support traffic parameters for the Available Bit Rate (ABR) ATM transfer
capability
5.3.4 Former ITU-T Recommendation Q.2723.4
(09/97), Extensions to the B‑ISDN User Part – Signalling capabilities to
support traffic parameters for the ATM Block Transfer (ABT) ATM transfer
capability
5.3.5 Former ITU-T Recommendation Q.2723.5
(03/99), B-ISDN User Part –Support of cell delay variation tolerance indication
5.3.6
Former ITU-T Recommendation Q.2723.6 (05/98), Extension to the
Signalling Systems No. 7 B-ISDN User Part – Signalling capabilities to
support the indication of the statistical bit rate configuration 2 (SBR 2) and
3 (SBR 3) ATM transfer capabilities
5.3.7 Former ITU-T Recommendation Q.2725.1
(05/98), B-ISDN User Part –Support of negotiation during connection setup
5.3.8 Modification procedures
5.3.9 Former ITU-T Recommendation Q.2726.1
(07/96), B-ISDN User Part –ATM end system address
5.3.10 Former ITU-T Recommendation Q.2727
(07/96), B-ISDN User Part –Support of frame relay
5.4 Extensions to the basic procedure presented as separate Recommendations
5.4.1 ITU-T Recommendation Q.2722.1 (1996),
B-ISDN User Part – Network node interface specification for point-to-multipoint
call/connection control
5.4.2 ITU-T Recommendation Q.2724.1 (1996),
B-ISDN User Part – Look-ahead without state change for the network node
interface
5.4.3 ITU-T Recommendation Q.2726.2 (1996),
B-ISDN User Part – Call priority 5.4.4 ITU Recommendation Q.2726.3 (1996),
B-ISDN User Part – Network generated session identifier
5.4.5 ITU Recommendation Q.2726.4 (1997),
Extensions to the B-ISDN User Part – Application generated identifiers
5.4.6 ITU Recommendation Q.2730 (1995),
Broadband integrated services digital network (B-ISDN) Signalling System No. 7
B‑ISDN User Part (B‑ISUP) – Supplementary services
5.4.7 ITU Recommendation Q.2735.1 (1997), Stage
3 description for community of interest supplementary services for B‑ISDN
using SS No. 7: Closed User Group (CUG)
5.4.8 ITU Recommendation Q.2765 (1999),
Signalling System No. 7 B-ISDN User Part (B‑ISUP) – Application transport
mechanism (APM)
5.4.9 ITU-T Recommendation Q.2766.1 (1998), Switched
Virtual Path capability
5.4.10 ITU-T Recommendation Q.2767.1 (1998),
Soft PVC capability
5.5 B-ISDN User Part interworking
6
Capabilities supported by the B-ISDN User Part
7
Services assumed from the MTP
7.1 General
7.2 Description of primitives
7.2.1 Transfer
7.2.2 Pause
7.2.3 Resume
7.2.4 Status
8
Future enhancements
8.1 Version compatibility
8.2 Coding guidelines for compatibility of B-ISDN User Parts
supporting different releases of B‑ISDN services
8.2.1 Messages
8.2.2 Parameters
Appendix I – Guidelines for use of
instruction indicators
I.1 Introduction
I.2 Priority or execution
I.3 Notification
I.4 Considerations
I.4.1 Discarding unrecognized messages
I.4.2 Essential services
I.4.3
Non-essential services
I.4.4 Broadband/Narrow-band interworking
I.4.5 Pass on
Appendix II – Text from
Recommendation Q.2721.1 B-ISDN network Node Interface Signalling Capability Set 2, Step 1
II.1 B-ISDN NNI CS-2.1 content
II.1.1 Point-to-multipoint calls
II.1.2 Additional traffic parameters
II.1.3 Look-ahead
II.1.4 Negotiation of traffic characteristics
during call setup
II.1.5 Modification of traffic characteristic
during the active phase of the call
II.1.6 ATM end system address
II.1.7 Call priority
II.1.8 Network call correlation ID
II.1.9 Frame relay
II.2 Functional limitations of B-ISDN NNI CS-2.1
II.3 Common protocol principles for B-ISDN NNI CS-2.1
II.3.1 General specification model
II.3.2 Modelling examples for CS-2.1
II.4 Interworking with CS-1 exchanges
II.4.1 Point-to-multipoint calls (multi-party
calls)
II.4.2 Additional traffic parameters
II.4.3 Look-ahead capability
II.4.4 Negotiation of traffic characteristics
during call setup
II.4.5 Modification of traffic characteristics
during the active phase of the call
II.4.6 ATM end system address
II.4.7 Call priority
II.4.8 Network call correlation ID
II.4.9 Frame relay