Cisco 8831NR Administration Manual page 144

Additional Troubleshooting Information
Procedure
Step 1
On the conference station, select Apps > Admin Settings > Network Setup > IPv4 Configuration, and look
at the following options:
• DHCP: If you have assigned a static IP address to the conference phone, you do not need to enter a value
• IP Address, Subnet Mask, Default Router: If you have assigned a static IP address to the conference
Step 2
If you are using DHCP, check the IP addresses distributed by your DHCP server. See Understanding and
Troubleshooting DHCP in Catalyst Switch or Enterprise Networks, available at this URL:
http://www.cisco.com/c/en/us/support/docs/ip/dynamic-address-allocation-resolution/27470-100.html
Related Topics
Additional Troubleshooting Information
If you have additional questions about troubleshooting the conference phone, several Cisco.com web sites
can provide you with more tips. Choose from the sites available for your access level.
• Conference Phone Troubleshooting Resources:
• Cisco Products and Services (Technical Support and Documentation):
Maintenance
The following sections describe phone maintenance.
Cisco Unified IP Conference Phone Reset or Restore
The following sections describe the methods for resetting or restoring the conference phone.
Settings Reset
A factory reset provides a way to recover if the conference phone experiences an error. The Reset Settings
menu on the device has three options:
• All
• Network
Cisco Unified IP Conference Phone 8831 and 8831NR Administration Guide
134
for the DHCP Server option. However, if you are using a DHCP server, this option must have a value.
If it does not, check your IP routing and VLAN configuration. See Troubleshooting Switch Port Problems,
available at this URL: http://www.cisco.com/en/US/customer/products/hw/switches/ps708/prod_tech_
notes_list.html
phone, you must manually enter settings for these options.
Network Setup Menu, on page 62
tsd_products_support_series_home.html
products/sw/voicesw/tsd_products_support_category_home.html
Troubleshooting and Maintenance
http://www.cisco.com/en/US/products/hw/phones/ps379/
http://www.cisco.com/en/US/