Cited by: RFC 4508
2 RFCs whose text mentions RFC 4508 (Conveying Feature Tags with the Session Initiation Protocol (SIP) REFER Method), newest first
| RFC | Title | Status | Date |
|---|---|---|---|
| 8217 | Clarifications for When to Use the name-addr Production in SIP Messages | Proposed Standard | August 2017 |
| 5411 | A Hitchhiker's Guide to the Session Initiation Protocol (SIP) | Informational | February 2009 |