Published Date: 05/01/2002

Encaminamiento orientado a la calidad de servicio y métodos de ingeniería de tráfico conexos − Requisitos operacionales de ingeniería de tráfico

$9.9

Published Date: 03/01/2013

Gateway control protocol: Facsimile, text conversation and call discrimination packages

$16.8

Published Date: 01/01/1992

Maintenance Access Lines - Specifications of Measuring Equipment (Study Group IV) 10 pp

$7.8

Published Date: 11/01/1988

VARIATIONS DE NIVEAU ET INTERRUPTIONS SUR LES VOIES DE TÉLÉGRAPHIE HARMONIQUE

$6

Published Date: 04/01/2017

$15

Published Date: 2020

$22.5

Published Date:

$24

Published Date: 05/01/2007

$15

Published Date: 07/01/2020

$22.5

Published Date: 07/01/1987

Technical Digest 9 - Handling & Erection

ITU-T E.151 PDF

Telephone Conference Calls (Study Group I) 5 pp