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The top documents tagged [number portability slide]
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AG Projects Future of VoIP - 2005 Number portability Using ENUM and SIP Dan Pascu AG Projects
228 views
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Syndicate A - Issues Geographic nos: –DLERange changes re:parenting & DLE closures DTS, some DTM Solution: correct grid reference and Audit overrides Invoice
212 views
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1 True Number Portability and Advanced Call Screening in a SIP-Based IP Telephony System Ismail Dalgic, Michael Borella, Rick Dean, Jacek Grabiec, Jerry
213 views