Cisco Systems 186 Manual De Usuario

Descargar
Página de 218
 
9-3
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)
OL-3410-01
Chapter 9      Troubleshooting
Installation and Upgrade Issues
Possible Cause
Recipient has not registered the IP phone.
Recommended Action
Register the IP phone.
Possible Cause
Ethernet cable is not connected.
Recommended Action
Make sure that all cables are connected. 
Symptom
Fast busy tone.
Possible Cause
Authentication credential is incorrect.
Recommended Action
Verify authentication credential, and revise if necessary.
Possible Cause
Recipient has not registered the IP phone.
Recommended Action
Register the IP phone.
Possible Cause
No common codec between the Cisco ATA and remote end.
Recommended Action
Change codec to one that is common with the Cisco ATA and the remote end.
Possible Cause
Recipient is in a call with call waiting disabled.
Recommended Action
Attempt to place the call at a later time. 
Installation and Upgrade Issues
Note
The following issues apply to the manual image-upgrade process only. Image upgrades must be 
performed separately.
Symptom
The red LED is flashing slowly on the function button.
Possible Cause
The Cisco ATA is trying to obtain the DHCP address or the software image is being 
upgraded.
Possible Cause
The Ethernet cable is unplugged.
Recommended Action
Plug in the Ethernet cable.
Symptom
Voice prompt returns Upgrade not available message. This can only occur if you are using the 
executable-file upgrade method.
Possible Cause
You are attempting to upgrade to the existing version.
Recommended Action
You do not need to upgrade.