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Cisco Bug: CSCvt60066 - ATA 191 can only download configuration data using TFTP

Last Modified

Apr 22, 2020

Products (1)

  • Cisco ATA 190 Series Analog Telephone Adapters

Known Affected Releases


Description (partial)

ATA 191 cannot register to CUCM if TFTP port (UDP 69) is blocked

By default in FedRamp environments, UDP port 69 is blocked.
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