Quiz 4

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Across
  1. 1. and for advanced services
  2. 3. / --- proposed Internet Engineering Task Force(IETF)
  3. 4. / Databases used to support call
  4. 6. / Feature of data communication to re-transmit any pieces of data which is lost or corrupted in the network
  5. 8. / Service provided by Intelligent Networking
  6. 10. / Key advantage of IMS is that it allows greater ---
Down
  1. 2. / Plays the signaling system role in Internet
  2. 5. / The name of data unit used in Connectionless network
  3. 7. / --- used for sending data over PSTN
  4. 9. / --- circuits used for interactive voice telephony
  5. 11. / --- system is significant component of PSTN