Yealink SIP-T2 SERIES Administrator's Manual page 519

X is equal to 1 (for SIP-T19(P) E2/CP860)
Web User Interface:
Account->Advanced->Retransmission
Phone User Interface:
None
To configure 100 reliable retransmission via web user interface:
1. Click on Account->Advanced.
2. Select the desired account from the pull-down list of Account.
3. Select the desired value from the pull-down list of Retransmission.
4. Click Confirm to accept the change.
Reboot in talking feature allows IP phones to reboot during an active call when it
receives a reboot request by action URI. For more information on action URI, refer to
Action URI on page 645.
IP phones do not receive and handle HTTP/HTTPS GET requests by default. To use this
feature, you need to specify the trusted IP address(es) for action URI in advance. For
more information, refer to
Procedure
Reboot in talking can be configured using the configuration files or locally.
Configuration File
Parameter
Configuring Trusted IP Address for Action URI
<y0000000000xx>.cfg
Configuring Basic Features
Permitted Values
on page 650.
Configure reboot in talking.
Parameter:
features.reboot_in_talk_enable
Default
497