Beta Draft Confidential
2-41/19/05 ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000
About ATM Logical Ports
ATM UNI Concepts
ATM UNI 4.0 Support
This release supports the ATM Forum’s UNI Signaling 4.0 Specification. The
following capability list from this specification outlines support on a per-feature basis.
Table 2-1. ATM UNI Signaling 4.0 Support
Item Number Capability
1 Point-to-point calls
2 Point-to-multipoint calls
3 Signaling of individual QoS parameters
4
Leaf Initiated Join (LIJ)
a
a
The ATM Forum UNI Signaling 4.0 specification feature of LIJ support is under
consideration. Industry demand does not exist yet to support this feature and no current
CPE device supports this feature. The actual implementation of LIJ will likely
correspond with the implementation of PNNI Version 2.0, which also introduces
support of this feature.
5 ATM Anycast
6 ABR signaling for point-to-point calls
7 Generic identifier transport
8 Virtual UNIs
9 Switched VP service
10 Proxy signaling
11 Frame discard
12 Traffic parameter negotiation
13 Supplementary services
13.1 Direct Dialing In (DDI)
13.2 Multiple subscriber number
13.3 Calling Line Identification Presentation (CLIP)
13.4 Calling Line Identification Restriction (CLIR)
13.5 Connected Line Identification Presentation (COLP)
13.6 Connected Line Identification Restriction (COLR)
13.7 Subaddressing (SUB) currently available
13.8 User-user Signaling (UUS) Currently Available
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