[M.665] Recommendation M.665 (11/88) - Testing of echo cancellers Availability:
Electronic Bookshop
Subscription Service (ITU-T Recommendations Online)
Price:20
CHF (Swiss Francs)
To purchase Electronic Bookshop items select the document and click on the
button Add to Basket
View
or Download Document
| | Table of Contents | ITU-T Rec. M.665 - TESTING OF ECHO CANCELLERS
NOTES
TESTING OF ECHO CANCELLERS
1 Periodicity of routine tests
2 Cancellers which are permanently associated with international circuits 2.1 Tests using the Echo Canceller Test System (ECTS) or Automatic Tra
smission Measuring Eq 2.2 Tests using an In-Station-Echo canceller Tester (ISET)
3 Cancellers permanently associated with national circuits
4 Testing of pooled cancellers
5 Use of group-diagnostics
References
|
Home | Search | Site Map | Help | Contact | Comments | © Copyright English | Français | Español Last Modified: Thu Apr 1 22:41:59 1999 |