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Standard ECMA-355
Corporate Telecommunication Networks - Tunnelling of QSIG over SIP

3rdedition (June 2008)

The latest edition of this Ecma Standard is available here.

You can download the previous replaced "historical" editions of this Ecma Standard, free of charge:

File name Content
ECMA-355 1st edition Acrobat (r) PDF file
ECMA-355 2nd edition Acrobat (r) PDF file


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