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

3^rdedition (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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