Yealink SIP-T19 E2 T4 Series, Administrator'S Manual

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Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series IP Phones
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previous settings.
Provisioning Methods
IP phones can be configured automatically through configuration files stored on a central
provisioning server, manually via web user interface or phone user interface, or by a
combination of the automatic and manual methods. If a central provisioning server is not
available, you can configure most features using manual method.
There may be a configuration priority among the provisioning methods - settings you make
using a higher priority provisioning method override settings made using a lower priority
provisioning method.
The precedence order for configuration parameter changes is as follows (highest to lowest):
Note
The priority mechanism takes effect only if the value of the parameter
“static.auto_provision.custom.protect” is set to 1. For more information on this parameter, refer to
Configuration Parameters on page 122 .
Static settings have no priority. For example, settings associated with auto
provisioning/network/syslog, TR069 settings and internal settings (e.g., the temporary
configurations to be used for program running). For more information, refer to
Appendix F: Static
Settings on page 900 .