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  Home : ITU-T : Publications : Recommendations : Q Series : Q.115 : Q.115 (06/97)
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Q.115 : Logic for the control of echo control devices  

Recommendation Q.115 (06/97)

Approved in 1997-06-05

Status : Superseded

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English

PDF Document PDF (acrobat)

754517 bytes 2001-05-30 E 12400 
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PDF Document PDF (acrobat)

829455 bytes 2001-05-30 S 12402 
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PDF Document PDF (acrobat)

835443 bytes 2001-05-30 F 12401 

 

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Updated : 2009/10/07