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