Yealink SIP-T48G Administrator's Manual page 801

Procedure
Changes can only be configured using the configuration files.
Configuration File
Details of the Configuration Parameter:
Parameter
sip.notify_reboot_enable
Description:
Configure the IP phone behavior when receiving a SIP NOTIFY message which
contains the header "Event: check-sync".
0-The IP phone will reboot only if the SIP NOTIFY message contains an additional
string "reboot=true".
1-The IP phone will be forced to reboot.
2-The IP phone will ignore the SIP NOTIFY message.
Web User Interface:
None
Phone User Interface:
None
You can reboot your IP phone via web/phone user interface.
To reboot the phone via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin) ->Reboot.
<y0000000000xx>.cfg
Configure the IP phone behavior
when receiving a SIP NOTIFY
message which contains the
header "Event: check-sync".
Parameter:
sip.notify_reboot_enable
Permitted Values
0, 1 or 2
Troubleshooting
Default
1
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