ITU-T E.180/Q.35 (03/98)
Current
Current
Technical characteristics of tones for the telephone service
Available format(s)
Hardcopy , PDF
Language(s)
English, French, Spanish, Castilian
Published date
06-15-1998
US$15.98
Excluding Tax where applicable
| DocumentType |
Standard Recommendation
|
| Pages |
16
|
| PublisherName |
International Telecommunications Union (CCIR) and (CCITT)
|
| Status |
Current
|
| Supersedes |
Summarise
US$15.98
Excluding Tax where applicable