Problem

This document provides general troubleshooting information to help you solve problems you might encounter when deploying phones.

Intended Audience

Admin, Reseller, Client

Solution

Why does the phone fail to download configuration files?

  • Ensure that auto provisioning feature is configured properly
  • Ensure that the provisioning server and network are reachable
  • Ensure that authentication credentials configured on the phone are correct
  • Ensure that configuration files exist on the provisioning server

Why does the provisioning server return HTTP 404?

  • Ensure that the provisioning server is properly set up
  • Ensure that the access URL is correct
  • Ensure that the requested files exist on the provisioning server

Why is the permission denied when uploading files to the root directory of the FTP server?

  • Ensure that the complete path to the root directory of the FTP server is authorized
  • Check security permissions on the root directory of the FTP server, if necessary, change the permissions

Why doesn’t the phone obtain the IP address from the DHCP server?

  • Ensure that settings are correct on the DHCP server
  • Ensure that the phone is configured to obtain the IP address from the DHCP server

Why doesn’t the phone download the ring tone?

  • Ensure that the file format of the ring tone is *.wav
  • Ensure that the size of the ring tone file is no larger than that the phone supports
  • Ensure that the properties of the ring tone for the phone are correct
  • Ensure that the network is available and the root directory is right for downloading
  • Ensure that the ring tone file exists on the provisioning server

Why doesn’t the phone update configurations?

  • Ensure that the configuration files are different from the last ones
  • Ensure that the phone has downloaded the configuration files
  • Ensure that the parameters are correctly set in the configuration files

Why does the phone display “Network Unavailable”?

  • Ensure that the Ethernet cable is plugged into the Internet port on the phone and the Ethernet cable is not loose
  • Ensure that the switch or hub in your network is operational
  • Ensure that the configurations of network are properly set in the configuration files