Yealink SIP-T2XP, Provisioning Manual

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Appendix
219
Parameter Permitted Values Descriptions Web Setting Path
registration requires renewal.
3-duration: the phone retries to use the
primary server after the timeout defined by
the parameter
“account.X.failback_timeout”.
The default value is 0.
account.X.sip_server.Y.failback_timeout =
(SIP-T28P/T48G/T46G: X ranges from 1 to 6.
SIP-T26P/T22P/ T42G/T41P: X ranges from 1 to 3.
SIP-T21P/T20P: X ranges from 1 to 2.
SIP-T19P/CP860: X=1.
Y ranges from 1 to 2)
Integer 0, from 60 to
65535
It configures the timeout (in seconds) for the
phone to retry to use the primary server
after failing over to the current working
server for account X when the parameter
“account.X.sip_server.Y.failback_mode” is
set to 3 (duration).
If you set the parameter between 1 and 59,
the timeout will be 60 seconds.
The default value is 3600.
account.X.sip_server.Y.register_on_enable =
(SIP-T19P/CP860: X=1
SIP-T20P/T21P: X ranges from 1 to 2.
SIP-T22P/T26P/T41P/T42G: X ranges from 1 to 3.
SIP-T28P/T46G/T48G: X ranges from 1 to 6.
Y ranges from 1 to 2)
0 or 1
It enables or disables the phone to send
registration requests to the secondary
server for account X when encountering a
failover.
0-Disabled
1-Enabled