ITU-T Q.263-1988
4.3 Double Seizing with Both-Way Operation - Specifications of Signalling System No. 6 (Study Group XI) 2 pp

Standard No.

ITU-T Q.263-1988

Release Date

1988

Published By

International Telecommunication Union (ITU)

Status

Withdraw

Latest

ITU-T Q.263-1988

Scope

The forward-transfer signal may be sent in semi-automatic working in either of the following two cases

ITU-T Q.263-1988 history

• 1988 ITU-T Q.263-1988 4.3 Double Seizing with Both-Way Operation - Specifications of Signalling System No. 6 (Study Group XI) 2 pp