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Beginner

Cisco ATA 191 not registering

Hi All,

 

Good Day. 

 

I need some advice on the following issue. 

 

Problem:

Cisco ATA is unable to register to CUCM and when checked on the switchport of the ATA, cdp information is also not available. 

HTTPS access to the ATA had also failed. We had to reboot the ATA to restore registration and access. This is happening frequently and i was unable to locate any bug that could cause this issue. 

Please do let me know on what could the problem be and please be noted that this is happening to multiple ATA's. 

 

CUCM:10.5.2.14901-1

ATA: 191 (ATA191.12-0-1SR2-3)

Services: SIP

 

 

 

Regards,

3 REPLIES 3
Highlighted
Beginner

Re: Cisco ATA 191 not registering

Please connect any analog phone and try to get ip of ATA via IVR AND MAKE SURE MAC IS WHITELISTED AND PORT SHOULD BE IN VOICE VLAN.
Highlighted

Re: Cisco ATA 191 not registering

As per my understanding you can follow bleo steps to troubleshoot the issue.

1 - first you can try to reset the ATA and assign IP gain and check the CDP.

2- Also you can check the switch port configurations / data and voice vlans
are correct.(if using data vlan also)

3- when you plug the ATA to the switch is that swithc port become connected
?
if yes and cdp cannot discover please reset the switch port
configuration, shut down port and add the same config and unshut the port.

if no please try by changing the patch code.

4- also you can change the switch port and try if it is possible.

As i know before the ATA get registered with the CUCM it should learn to
the connected switch. also please check whether mac address can learn from
the particular switch port.




Highlighted
Beginner

Re: Cisco ATA 191 not registering

HI,

 

I have rebooted the ATA and it re-registers. 

The problem is after a few days it starts happening again. 

I can see this happening to a fleet of device. 

 

Regards,

 

Kanes.R

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