Firmware Version 1.0.3.46
GXV3240 Administration Guide
"Enable SCA" is set to "Yes".
It is used to configure the pickup feature code for call park retrieving. If
"Auto-filling Pickup Feature Code" is set to "Yes", the pickup feature
code will be automatically filled in on the phone's dial pad when
retrieving the parked call. This option is used when "Special Mode" is
set to "Broadsoft" and "Enable SCA" is set to "Yes".
It is used to configure the line-size event expiration timer for this
account. If the Shared Call Appearance is active, the phone will send
a SIP SUBSCRIBE request for the line-seize event package if a user
attempts to take the shared line off hook The default value is 15
seconds. The valid range is from 15 to 60.