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  Home : ITU-T : Publications : Recommendations : Q Series : Q.850 : Q.850 (03/93)
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Q.850 : Use of cause and location in the digital subscriber Signalling System No. 1 and the Signalling System No. 7 ISDN user part  

Recommendation Q.850 (03/93)

Approved in 1993-03-12

Status : Superseded


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English

PDF Document PDF (acrobat)

196097 bytes 2001-05-30 E 4919 
Español

PDF Document PDF (acrobat)

229040 bytes 2001-05-30 S 4920 
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PDF Document PDF (acrobat)

227387 bytes 2001-05-30 F 4918 


 

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Updated : 2014-05-15