Yealink SIP-T3 Administrator's Manual page 345

0-Disabled, the phone will not attempt to register to the secondary server, since the phone assumes
that the primary and secondary servers share registration information. So the phone will directly send
Permitted
the requests to the secondary server.
Values
1-Enabled, the phone will register to the secondary server first, and then send the requests to it.
Default
0
Parameter sip.skip_redundant_failover_addr
It enables or disables the phone only to send requests to the servers with different IP addresses when
Description
encountering a failover.
Permitted 0-Disabled
1-Enabled
Values
Default
1
Parameter account.X.sip_server.Y.expires
Description It configures the registration expiration time (in seconds) of SIP server Y for a specific account.
Permitted
Integer from 30 to 2147483647
Values
Default 3600
Web UI Account > Register > SIP Server Y > Server Expires
Parameter account.X.sip_server.Y.retry_counts
It configures the retry times for the phone to resend requests when the SIP server Y is unavailable or
there is no response from the SIP server Y.
Description
The phone moves to the next available server after three failed attempts.
Permitted
Integer from 0 to 20
Values
Default 3
Web UI Account > Register > SIP Server Y > Server Retry Counts
Parameter account.X.sip_server.Y.only_signal_with_registered
It enables or disables the phone to only send requests to the registered server when encountering a
failover.
Description
Note: It works only if "account.X.sip_server.Y.register_on_enable" is set to 1 (Enabled) and "accoun-
t.X.sip_server.Y.failback_mode" is set to 1, 2 or 3.
Permitted
0-Disabled
Values 1-Enabled
Default 0
Parameter account.X.sip_server.Y.invite_retry_counts
It configures the number of retries attempted before sending requests to the next available server
Description
when encountering a failover.
Permitted
Integer from 1 to 10
Values
Default 3
Parameter account.X.sip_server.Y.failback_mode
Description It configures the mode for the phone to retry the primary server in failover.
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Account Settings
<y0000000000xx>.cfg
<MAC>.cfg
<MAC>.cfg
<MAC>.cfg
<MAC>.cfg
<MAC>.cfg
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