International Telecommunication Union   ITU
Français  Español
 
Site map Contact us Print version
  Home : ITU-T : Publications : Recommendations : Q Series : Q.20 : Q.20 (11/88)
Recently posted -  Search Recommendations -  Shopping cart
   
Q.20 : Comparative advantages of "in-band" and "out-band" systems

Recommendation Q.20 (11/88)

Approved in 1988-11

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)

51429 bytes 1990-05-29 E 15165 
Español

PDF Document PDF (acrobat)

56753 bytes 1990-05-29 S 15165 
Français

PDF Document PDF (acrobat)

58262 bytes 1990-05-29 F 15165 

Access :

TIES users / Subscription Service (ITU Recommendations Online)

Electronic Bookshop - E-Price : 20 CHF (Swiss Francs)

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 Subscribers /or ADD to CART
English

Word Document Word

34984 bytes 1990-05-29 E 15165  Download Download
Español

Word Document Word

45546 bytes 1990-05-29 S 15165  Download Download
Français

Word Document Word

44841 bytes 1990-05-29 F 15165  Download Download

 

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