ISDN User Part (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "ISDN User Part" in Czech language version.

Last modified: 01:32:10, 7 November 2025 (UTC)

Ref.Un. Ref.Website

Global rank Czech rank

1,487^th place

1,279^th place

low place

8,633^rd place

etsi.org (Global: low place; Czech: 8,633^rd place)

webapp.etsi.org

ETSI EN 300 356-1, ISUP Version 4 for the International Interface

itu.int (Global: 1,487^th place; Czech: 1,279^th place)

ITU-T Q-Series Recommendations
ITU-T Recommendation Q.767
ITU-T Recommendation Q.761
ITU-T Recommendation Q.763 (12/1999), Section 1, General coding principles, pp 3-4.
ITU-T Recommendation Q.763 (12/1999), Section 1, General coding principles, p 3