Yealink SIP-T2xP Administrator's Manual page 338

Administrator's Guide for SIP-T2xP and SIP-T19P IP Phones
Format
Default Value
Range
Example
Parameter-
account.X.advanced.timer_t2
Description
Format
Default Value
Range
Example
Parameter-
account.X.advanced.timer_t4
Description
Format
Default Value
Range
Example
322
Float
0.5
0.5 to 10
account.1.advanced.timer_t1 = 0.5
Configuration File
<MAC>.cfg
Configures the session timer T2 (in seconds)
for account X.
T2 represents the maximum retransmit
interval for non-INVITE requests and INVITE
responses.
X ranges from 1 to 6.
Float
4
2 to 40
account.1.advanced.timer_t2 = 4
Configuration File
<MAC>.cfg
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.
Float
5
2.5 to 60
account.1.advanced.timer_t4 = 5