Cited in: RFC 2422
4 RFCs mentioned in the text of RFC 2422 (Toll Quality Voice - 32 kbit/s ADPCM MIME Sub-type Registration)
| RFC | Title | Status | Date |
|---|---|---|---|
| 1911 | Voice Profile for Internet Mail | Experimental | February 1996 |
| 2048 | Multipurpose Internet Mail Extensions (MIME) Part Four: Registration Procedures | Best Current Practice | November 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement Levels | Best Current Practice | March 1997 |
| 2421 | Voice Profile for Internet Mail - version 2 | Proposed Standard | September 1998 |