User Manual

Administrator’s Guide for SIP-T2xP and SIP-T19P IP Phones
308
Parameter-
account.X.advanced.timer_t4
Configuration File
<MAC>.cfg
Description
Configures the session timer of T4 (in
seconds) for account X.
T4 represents the maximum duration a
message will remain in the network.
X ranges from 1 to 6.
Format
Float
Default Value
5
Range
2.5 to 60
Example
account.1.advanced.timer_t4 = 5
Parameter-
account.X.session_timer.enable
Configuration File
<MAC>.cfg
Description
Enables or disables the session timer for
account X.
If it is set to 1 (Enabled), IP phone will send
periodic re-INVITE requests to refresh the
session during a call.
X ranges from 1 to 6.
Format
Boolean
Default Value
0
Range
Valid values are:
0-Disabled
1-Enabled
Example
account.1.session_timer.enable = 1
Parameter-
account.X.session_timer.expires
Configuration File
<MAC>.cfg
Description
Configures the IP phone to refresh the session
during a call at regular intervals (in seconds)
for account X.
If it is set to 1800 (1800s), the IP phone will