ITU Sectors
Newsroom
Events
Publications
Statistics
About ITU
 
Office of the Secretary General
Office of the Secretary General
Office of the Secretary General
Radiocommunication (ITU-R)
Radiocommunication (ITU-R)
Radiocommunication (ITU-R)
Standardization (ITU-T)
Standardization (ITU-T)
Standardization (ITU-T)
Development (ITU-D)
Development (ITU-D)
Development (ITU-D)
ITU TELECOM
ITU TELECOM
ITU TELECOM
 
Calendar of Events
Calendar of Events
Calendar of Events
Today's Meetings 
Today's Meetings 
Today's Meetings 
Internet Webcast Service 
Internet Webcast Service 
Internet Webcast Service 
Search 
Search 
Search 
 
All Sectors
All Sectors
All Sectors
ITU-R
ITU-R
ITU-R
ITU-T
ITU-T
ITU-T
ITU-D
ITU-D
ITU-D
General Secretariat
General Secretariat
General Secretariat
 
ITU Publications 
ITU Publications 
ITU Publications 
Publications by Sector
Publications by Sector
Publications by Sector
 
General Secretariat and ITU Telecom
General Secretariat and ITU Telecom
General Secretariat and ITU Telecom
Radiocommunication (ITU-R)
Radiocommunication (ITU-R)
Radiocommunication (ITU-R)
Standardization (ITU-T)
Standardization (ITU-T)
Standardization (ITU-T)
Development (ITU-D)
Development (ITU-D)
Development (ITU-D)
 
International Telecommunication Union   ITU
Français  Español
 
Site map Contact us Print version
  Home : ITU-T : Publications : Recommendations : X Series : X.80 : X.80 (11/88)
Recently posted -  Search Recommendations
   
X.80 : Interworking of interexchange signalling systems for circuit-switched data services  

Recommendation X.80 (11/88)

Approved in 1988-11-25

Status : In force

Access : Freely available items

Available languages and formats :
 
Click on the Item

Click on the selected format
and language to get the document

   
Format Size Posted Article Number
English

PDF Document PDF (acrobat)

226052 bytes 1989-11-10 E 15405 
Español

PDF Document PDF (acrobat)

269047 bytes 1989-11-10 S 15405 
Français

PDF Document PDF (acrobat)

272472 bytes 1989-11-10 F 15405 

Access :

TIES users

Available languages and formats :
 
Click on the Item

Click on the selected format
and language to get the document

   
Format Size Posted Article Number TIES users
English

Word Document Word

4142205 bytes 1989-11-10 E 15405  Download
Español

Word Document Word

3872393 bytes 1989-11-10 S 15405  Download
Français

Word Document Word

3875031 bytes 1989-11-10 F 15405  Download

 

Top -  Feedback -  Contact us -  Copyright © ITU 2008 All Rights Reserved
Contact for this page :  ITU-T Publications
Updated : 2001/09/10