ITU-T E.181 SPANISH-1993
CUSTOMER RECOGNITION OF FOREIGN TONES

Standard No.
ITU-T E.181 SPANISH-1993
Release Date
1993
Published By
International Telecommunication Union (ITU)
Latest
ITU-T E.181 SPANISH-1993
Scope
The Recommendation describes the foreign tones use for customer recognition.

ITU-T E.181 SPANISH-1993 history




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