Cisco SPA301 Administration Manual page 190

Provisioning
Using TR-069
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide
Field Description
TR-069 Fallback From the drop-down menu, select yes to enable TR-069
Support fallback support. Enter no to disable fallback support. If the
SPA phone first attempt to discover the ACS by using DHCP,
it attempts to use DNS to resolve ACS IP address.
TR-069 DHCP Enter the interval in seconds that the phone should poll the
Inform Timer DHCP server.
BACKUP ACS Enter the backup URL of the ACS using the CPE WAN
URL Management Protocol. This parameter must be in the form
of a valid HTTP or HTTPS URL. The host portion of this URL
is used by the CPE to validate the ACS certificate when
using SSL or TLS.
BACKUP ACS Enter the backup username that authenticates the CPE to
User the ACS by using the CPE WAN Management Protocol. This
username is used only for HTTP-based authentication of the
CPE.
BACKUP ACS Enter the backup password grants access to the ACS for
Password the backup user. This password is used only for HTTP-
based authentication of the CPE.
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