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  Home : ITU-T : Publications : Recommendations : Q Series : Q.3611
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Q.3611 : Signalling requirements and protocol profile for NGN Customized multimedia Ring Tone (CBT) service

Recommendation Q.3611

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Q.3611 (06/09)
Signalling requirements and protocol profiles for NGN customized ringing tone service   In force


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Updated : 2011.03.14