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

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