ITU-T U.70-1989
Telex Service Signals for Telex to Teletex Interworking - Telegraph Switching (Study Group IX) 3 pp

Standard No.

ITU-T U.70-1989

Release Date

1989

Published By

International Telecommunication Union (ITU)

Status

Withdraw

Latest

ITU-T U.70-1989

Scope

This Recommendation defines service signals which are to be se of unsuccessful validation for called Teletex terminal addresses, and service signal the Teletex terminal which are to be sent to the telex terminal as a part of non-deli

ITU-T U.70-1989 history

• 1989 ITU-T U.70-1989 Telex Service Signals for Telex to Teletex Interworking - Telegraph Switching (Study Group IX) 3 pp