CCITT Rec. Q.709 (11/1988) – HYPOTHETICAL SIGNALLING REFERENCE CONNECTION
1 Introduction
2 Requirements of networks served by the signalling connection
3 Hypothetical signalling reference connection components for link-by-link signalling
3.1 General
3.2 International component of hypothetical signalling reference connection
3.3 National components of hypothetical signalling reference connection
4 Overall signalling delay for link-by-link signalling
5 Hypothetical signalling reference connection (HSRC) components for end-to-end signalling
5.1 General
5.2 International component of hypothetical signalling reference connection
5.3 National components of hypothetical signalling reference connections
6 Overall signalling delay for end-to-end signalling
7 Remarks