Phone Cannot Connect To Tftp Server Or To Cisco Unified Communications Manager; Phone Cannot Connect To Tftp Server; Phone Cannot Connect To Server; Phone Cannot Connect Using Dns - Cisco 7800 Series Administration Manual

Cisco IP Phone Troubleshooting

Phone Cannot Connect to TFTP Server or to Cisco Unified Communications Manager

Problem
If the network is down between the phone and either the TFTP server or Cisco Unified Communications
Manager, the phone cannot start up properly.
Solution
Ensure that the network is currently running.

Phone Cannot Connect to TFTP Server

Problem
The TFTP server settings may not be correct.
Solution
Check the TFTP settings.
Related Topics

Phone Cannot Connect to Server

Problem
The IP addressing and routing fields may not be configured correctly.
Solution
You should verify the IP addressing and routing settings on the phone. If you are using DHCP, the DHCP
server should provide these values. If you have assigned a static IP address to the phone, you must enter these
values manually.
Related Topics

Phone Cannot Connect Using DNS

Problem
The DNS settings may be incorrect.
Solution
If you use DNS to access the TFTP server or Cisco Unified Communications Manager, you must ensure that
you specify a DNS server.
Related Topics
Check TFTP Settings, on page 200
Check DHCP Settings, on page 201
Verify DNS Settings, on page 203
Cisco IP Phone 7800 Series Administration Guide for Cisco Unified Communications Manager
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