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ITU-T Home : Study groups : ITU-T Recommendations : ITU-T E Suppl.5 (10/1976)
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ITU-T E Suppl.5 (10/1976) عربي | 中文 | English | Español | Français | Русский
North american precise audible tone plan
Approval date: 1976-10-08
Approval process:WTSA
Status: Superseded
Maintenance responsibility: ITU-T Study Group 2
Further detail(s): Patent statement(s)
Ed. ITU-T Recommendation Status Summary Table of Contents Download
4 E-300 series Suppl. 3 (11/1988) In force - - here
3 E100-300 Suppl. 3 (10/1984) Superseded - - Not available
2 E-300 Suppl. 3 (11/1980) Superseded - - Not available
1 E Suppl.5 (10/1976) Superseded - - Not available
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