Cited in: RFC 4129
2 RFCs mentioned in the text of RFC 4129 (Digital Private Network Signaling System (DPNSS)/Digital Access Signaling System 2 (DASS 2) Extensions to the IUA Protocol)
| RFC | Title | Status | Date |
|---|---|---|---|
| 2119 | Key words for use in RFCs to Indicate Requirement Levels | Best Current Practice | March 1997 |
| 3057 | ISDN Q.921-User Adaptation Layer | Proposed Standard | February 2001 |