Yealink SIP-T2XP Administrator's Manual page 375

Example
Parameter-
account.X.sip_server.Y.failback_tim
eout
Description
Format
Default Value
Range
Example
Parameter-
account.X.sip_server.Y.register_on_
enable
Description
timeout equal to the DNSTTL configured for
the server that the IP phone is registered to.
2-registration: the IP phone retries to send
REGISTER requests to the primary server
when registration renewal.
3-duration: the IP phone retries to send
requests to the primary server after the
timeout defined by the
account.X.sip_server.Y.failback_timeout
parameter.
account.1.sip_server.1.failback_mode =
0
Configuration File
<MAC>.cfg
Configures the timeout (in seconds) for the IP
phone to retry to send requests to the
primary server after failing over to the
current working server when the parameter
"account.X.sip_server.Y.failback_mode" is set
to 3 (duration).
If you set the parameter to 0, the IP phone
will not send requests to the primary server
until a failover event occurs with the current
working server.
X ranges from 1 to 6.
Y ranges from 1 to 2.
Integer
3600
0, 60 to 65535
account.1.sip_server.1.failback_timeout =
3600
Configuration File
<MAC>.cfg
Enables or disables the IP phone to register
to the secondary server before sending
Appendix
359