Installation And Upgrade Issues - Cisco ATA 186 Administrator's Manual

Chapter 9 Troubleshooting
Symptom
Possible Cause
Recommended Action
Possible Cause
Recommended Action
Possible Cause
Recommended Action
Symptom
Possible Cause
Recommended Action
Possible Cause
Recommended Action
Possible Cause
Recommended Action
Possible Cause
Recommended Action

Installation and Upgrade Issues

The following issues apply to the manual image-upgrade process only. Image upgrades must be
Note
performed separately.
Symptom
Possible Cause
upgraded.
Possible Cause
Recommended Action
OL-4008-01
Cannot place call.
Equipment failure on the network.
Replace defective network equipment.
Recipient has not registered the IP phone.
Register the IP phone.
Ethernet cable is not connected.
Make sure that all cables are connected.
Fast busy tone.
Authentication credential is incorrect.
Verify authentication credential, and revise if necessary.
Recipient has not registered the IP phone.
Register the IP phone.
No common codec between the Cisco ATA and remote end.
Change codec to one that is common with the Cisco ATA and the remote end.
Recipient is in a call with call waiting disabled.
Attempt to place the call at a later time.
The red LED is flashing slowly on the function button.
The Cisco ATA is trying to obtain the DHCP address or the software image is being
The Ethernet cable is unplugged.
Plug in the Ethernet cable.
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide (H.323)
Installation and Upgrade Issues
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