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True number portability and advanced call screening in a SIP-based IP telephony system.

Ismail DalgicMichael S. BorellaRick DeanJacek GrabiecJerry MahlerGuido M. SchusterIkhlaq Sidhu
Published in: IEEE Commun. Mag. (1999)
Keyphrases
  • real world
  • computational complexity
  • small number
  • fixed number
  • case study
  • maximum number
  • database
  • medical images