Yealink SIP-T38G

Administrator’s Guide for SIP-T3xG IP Phones
260
seconds) for account X.
T4 represents the time the network will take
to clear messages between the SIP Client
and SIP Server.
X ranges from 1 to 6.
Format
Float
Default Value
5
Example
account.1.advanced.timer_t4 = 10
Parameter-
account.x.session_timer.enable
Configuration File
<MAC>.cfg
Description
Enables or disables the session timer for
account X.
If set to 1 (Enabled), IP phone sends periodic
re-INVITE requests to refresh the session
during a call.
X ranges from 1 to 6.
Format
Boolean
Default Value
0
Range
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 set to 180 (180s), the IP phone refreshes the
session during a call before 180 seconds.
X ranges from 1 to 6.
Format
Integer
Default Value
Blank