Yealink SIP-T2 SERIES Administrator's Manual page 379

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Procedure
Session timer can be configured using the configuration files or locally.
Configuration File
Local
Details of Configuration Parameters:
Parameters
account.X.session_timer.enable
Description:
Enables or disables the session timer for account X.
0-Disabled
1-Enabled
If it is set to 1 (Enabled), IP phone will send periodic UPDATE requests to refresh the
session during a call.
X ranges from 1 to 16 (for SIP VP-T49G/SIP-T48G/T46G/T29G)
X ranges from 1 to 12 (for SIP-T42G)
X ranges from 1 to 6 (for SIP-T41P/T27P)
X ranges from 1 to 3 (for SIP-T40P/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
<MAC>.cfg
Web User Interface
Configuring Basic Features
Configure session timer.
Parameters:
account.X.session_timer.enable
account.X.session_timer.expires
account.X.session_timer.refresher
Configure session timer.
Navigate to:
For
SIP-T48G/T46G/T42G/T41P/T40P/T29
G/T27P/T23P/T23G/T21(P) E2/T19(P)
E2/CP860:
http://<phoneIPAddress>/servlet?p
=account-adv&q=load&acc=0
For SIP VP-T49G:
http://<phoneIPAddress>/servlet?
m=mod_data&p=account-adv&q
=load&acc=0
Permitted Values
0 or 1
Default
0
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