Yealink T54S

Account Settings
221
account.1.sip_server.1.retry_counts= 3
The IP phone moves to the next available server after three failed attempts.
Permitted
Values
Integer from 0 to 20
Default
3
Web UI
Account->Register->SIP Server Y->Server Retry Counts
Parameter
account.X.sip_server.Y.only_signal_with_registered
[1][2]
<MAC>.cfg
Description
It enables or disables the IP phone to only send requests to the registered server when
encountering a failover.
Note: It works only if “account.X.sip_server.Y.register_on_enable” is set to 1 (Enabled)
and “account.X.sip_server.Y.failback_mode” is set to 1, 2 or 3.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
account.X.sip_server.Y.invite_retry_counts
[1][2]
<MAC>.cfg
Description
It configures the number of retries attempted before sending requests to the next
available server when encountering a failover.
Permitted
Values
Integer from 1 to 10
Default
3
Parameter
account.X.sip_server.Y.failback_mode
[1][2]
<MAC>.cfg
Description
It configures the mode for the IP phone to retry the primary server in failover.
Note: It works only if “account.X.sip_server.Y.address” is set to the domain name of
the SIP server.
Permitted
Values
0-newRequests: all requests are sent to the primary server first, regardless of the last
server that was used.
1-DNSTTL: the IP phone will send requests to the last registered server first. If the time
defined by DNSTTL on the registered server expires, the phone will retry to send
requests to the primary server.
2-Registration: the IP phone will send requests to the last registered server first. If the
registration expires, the phone will retry to send requests to the primary server.
3-duration: the IP phone will send requests to the last registered server first. If the
time defined by the “account.X.sip_server.Y.failback_timeout” parameter expires, the
phone will retry to send requests to the primary server.
Default
0