Yealink SIP-T2 SERIES Administrator's Manual page 268

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
For example:
<Data Prefix="2512" Replace="05922512" LineID="1" />
Where:
Prefix="" specifies the numbers to be replaced.
Replace="" specifies the alternate string instead of what the user enters.
LineID="" specifies the desired line(s) for this rule. When you leave it blank or enter 0,
this replace rule will apply to all lines.
If you want to change the replace rule, specify the values within double quotes.
3. Save the change and place this file to the provisioning server.
4. Specify the access URL of the replace rule template in the configuration files.
Procedure
Specify the access URL of the replace rule template using configuration files.
Configuration File
Details of Configuration Parameters:
Parameters
dialplan_replace_rule.url
Description:
Configures the access URL of the replace rule template file.
Example:
dialplan_replace_rule.url = http://192.168.10.25/dialplan.xml
During the auto provisioning process, the IP phone connects to the provisioning
server ―192.168.10.25‖, and downloads the replace rule file ―dialplan.xml‖.
Web User Interface:
None
246
<y0000000000xx>.cfg
Permitted Values
URL within 511 characters
Specify the access URL of the
replace rule template.
Parameter:
dialplan_replace_rule.url
Default
Blank