ITU-T R.21 (08/96)
Current
Current
The latest, up-to-date edition.
9600 bit/s modem standardized for use in the telegraph TDM system
Available format(s)
Hardcopy , PDF
Language(s)
English, French, Spanish, Castilian
Published date
13-03-1997
€9.25
Excluding VAT
| DocumentType |
Standard Recommendation
|
| Pages |
8
|
| PublisherName |
International Telecommunications Union (CCIR) and (CCITT)
|
| Status |
Current
|
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