RFC 3398:Integrated Services Digital Network (ISDN...
RFC-Ref

Integrated Services Digital Network (ISDN) User Part (ISUP) to Session Initiation Protocol (SIP) Mapping


1. Introduction
2. Scope
3. Terminology
4. Scenarios
5. SIP Mechanisms Required
5.1. Transparent' Transit of ISUP Messages
5.2. Understanding MIME Multipart Bodies
5.3. Transmission of Dual-Tone Multifrequency (DTMF) Information
5.4. Reliable Transmission of Provisional Responses
5.5. Early Media
5.6. Mid-Call Transactions which do not change SIP state
5.7. Privacy Protection
5.8. CANCEL causes
6. Mapping
7. SIP to ISUP Mapping
7.1. SIP to ISUP Call flows
7.1.1. En-bloc Call Setup (no auto-answer)
7.1.2. Auto-answer call setup
7.1.3. ISUP T7 Expires
7.1.4. SIP Timeout
7.1.5. ISUP Setup Failure
7.1.6. Cause Present in ACM Message
7.1.7. Call Canceled by SIP
7.2. State Machine
7.2.1. INVITE received
7.2.1.1. INVITE to IAM procedures
7.2.2. ISUP T7 expires
7.2.3. CANCEL or BYE received
7.2.4. REL received
7.2.4.1. ISDN Cause Code to Status Code Mapping
7.2.5. Early ACM received
7.2.6. ACM received
7.2.7. CON or ANM Received
7.2.8. Timer T9 Expires
7.2.9. CPG Received
7.3. ACK received
8. ISUP to SIP Mapping
8.1. ISUP to SIP Call Flows
8.1.1. En-bloc call setup (non auto-answer)
8.1.2. Auto-answer call setup
8.1.3. SIP Timeout
8.1.4. ISUP T9 Expires
8.1.5. SIP Error Response
8.1.6. SIP Redirection
8.1.7. Call Canceled by ISUP
8.2. State Machine
8.2.1. Initial Address Message received
8.2.1.1. IAM to INVITE procedures
8.2.2. received
8.2.3. x received
8.2.4. xx received
8.2.5. xx Received
8.2.6. xx-6xx Received
8.2.6.1. SIP Status Code to ISDN Cause Code Mapping
8.2.7. REL Received
8.2.8. ISUP T11 Expires
9. Suspend/Resume and Hold
9.1. Suspend (SUS) and Resume (RES) Messages
9.2. Hold (re-INVITE)
10. Normal Release of the Connection
10.1. SIP initiated release
10.2. ISUP initiated release
10.2.1. Caller hangs up
10.2.2. Callee hangs up (SUS)
11. ISUP Maintenance Messages
11.1. Reset messages
11.2. Blocking messages
11.3. Continuity Checks
12. Construction of Telephony URIs
12.1. ISUP format to tel URL mapping
12.2. tel URL to ISUP format mapping
13. Other ISUP flavors
13.1. Guidelines for sending other ISUP messages
14. Acronyms
15. Security Considerations
16. IANA Considerations
17. Acknowledgments
18. References
18.1. Normative References
18.2. Non-Normative References
19. Authors' Addresses
20. Full Copyright Statement
21. Acknowledgement

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