IP Interconnect and Infrastucture ENUM and the relevance on NGNs AKTK ENUM Wien, 16' Feber 2006
https://www.powershow.com/view1/181473-ZDc1Z/IP_Interconnect_and_Infrastucture_ENUM_and_the_relevance_on_NGNs_AKTK_ENUM_Wien_16_Feber_2006_powerpoint_ppt_presentation
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