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| Q.Sup60�:�Supplement to Recommendations ITU-T Q.3610 and ITU-T Q.3611 - Service flows for customized multimedia ring-back tone (CRBT) and customized multimedia ringing tone (CRT) services
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| In force components |
Number
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Title |
Status |
Q.Sup60 (01/10)
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Supplement to Recommendations ITU-T Q.3610 and ITU-T Q.3611 - Service flows for customized multimedia ring-back tone (CRBT) and customized multimedia ringing tone (CRT) services
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In force
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