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