Yealink SIP-T2 SERIES Administrator's Manual page 264

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
the characters placed in the parenthesis. The sequence number
stands for the corresponding parenthesis. Example:
A replace rule configuration, Prefix: "001(xxx)45(xx)", Replace:
"9001$145$2". When you dial out "0012354599" on your phone, the IP
phone will replace the number with "90012354599". ―$1‖ means 3
digits in the first parenthesis, that is, ―235‖. ―$2‖ means 2 digits in the
second parenthesis, that is, ―99‖.
Replace rule is an alternative string that replaces the numbers entered by the user. IP
phones support up to 100 replace rules, which can be created either one by one or in
batch using a replace rule template. For more information on how to customize a
replace rule template, refer to
Procedure
Replace rule can be created using the configuration files or locally.
Configuration File
Local
242
Customizing Replace Rule Template File
<y0000000000xx>.cfg
Web User Interface
on page 244.
Create the replace rule for the IP
phone.
Parameters:
dialplan.replace.prefix.X
dialplan.replace.replace.X
dialplan.replace.line_id.X
Create the replace rule for the IP
phone.
Navigate to:
For
SIP-T48G/T46G/T42G/T41P/T40P/T2
9G/T27P/T23P/T23G/T21(P)
E2/T19(P) E2/CP860:
http://<phoneIPAddress>/servlet
?p=settings-dialplan&q=load
For SIP VP-T49G:
http://<phoneIPAddress>/servlet
?m=mod_data&p=settings-dialp
lan&q=load