ITU-T-Q.322 › Multifrequency Signal Sender
ITU-T-Q.322
-
1988 EDITION
-
CURRENT
Multifrequency Signal Sender
Document Number
ITU-T-Q.322
Revision Level
1988 EDITION
Status
Current
Publication Date
Nov. 1, 1988
ITU-T-Q.322
1988 EDITION
Current
Nov. 1, 1988