03-16-2016 03:03 AM - edited 03-17-2019 06:15 AM
hello
cucm 8.6.2
have got 5 ata-190, and all of them have one problem - it drops registration and became unregistered after some period of time. after reboot it works fine several days and then drops it again.
tried different firmware (now it is ATA190.1-1-2-005), but it doesn't help
ATA-187 works fine.
01-21-2020 12:27 PM
I am having the same issue, ATA-191 going unregistered after an extended period of time ( 1 or 2 months).
I also am wondering which parameter to change.
I do see a parameter in the Product Specific Configuration Layout section named Line 2 Support*.
Mine was Enabled and I have set it to Disabled and now I play the waiting game.
Anyone know anything different?
06-23-2020 01:16 PM
@Alpha wrote:I am having the same issue, ATA-191 going unregistered after an extended period of time ( 1 or 2 months).
I also am wondering which parameter to change.
I do see a parameter in the Product Specific Configuration Layout section named Line 2 Support*.
Mine was Enabled and I have set it to Disabled and now I play the waiting game.
Anyone know anything different?
Did this setting change resolve the issue?
06-23-2020 02:23 PM
11-09-2021 01:45 PM
I am seeing the same issue (ATA going unregistered after an extended period of time, 1 or 2 months) using CUCM System version: 12.5.1.12900-115. There are a total of 135 ATA 191 units in this environment. During the last two months, over 70 units have become unregistered from CUCM. line-2 support has been disabled on all units and issue persists. No other VIOP devices, even on the same subnets as these ATA 191s, are affected. I have opened a third TAC case regarding this issue yesterday (Issue was never resolved). I have setup a controlled testbed with 14 ATA units and am prepared to perform packet capture and continue troubleshooting. Please share if resolution is discovered, I will do the same.
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