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� Home : ITU-T : Publications : Recommendations : Y�Series : Y.Sup21 : Y.Sup21 (03/13)
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Y.Sup21�:�ITU-T Y.2000-series - NGN requirements for interworking with legacy IP-based networks �

Recommendation Y.Sup21 (03/13)

Approved in 2013-03-01

Status : In force

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150363 bytes 2014-03-18 E�39087�

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