Z-Modem

A file transfer protocol based on X-Modem. The Z-Modem and Y-Modem protocols were designed by Chuck Forsberg to add batch transmission, and variable data block size. Z-Modem is considerably faster than Y-Modem and has better error checking capability.

NetX

  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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