Yealink T54S

Account Settings
223
attempts.
Permitted
Values
Integer from 0 to 20
Default
-1, the IP phone will invoke “account.X.sip_server.Y.retry_counts” to take effect.
Parameter
account.X.outbound_proxy.Y.only_signal_with_registered
[1][2]
<MAC>.cfg
Description
It enables or disables the IP phone to only send requests to the registered outbound
proxy server when encountering a failover.
Note: It works only if “account.X.outbound_proxy.Y.register_on_enable” is set to 1
(Enabled) and “account.X.outbound_proxy.Y.failback_mode” is set to 1, 2 or 3.
Permitted
Values
0-Disabled
1-Enabled
Default
-1, the IP phone will invoke “account.X.sip_server.Y.only_signal_with_registered” to
take effect.
Parameter
account.X.outbound_proxy.Y.invite_retry_counts
[1][2]
<MAC>.cfg
Description
It configures the number of retries attempted before sending requests to the next
available outbound proxy server when encountering a failover.
Permitted
Values
Integer from 1 to 10
Default
-1, the IP phone will invoke “account.X.sip_server.Y.invite_retry_counts” to take effect.
Parameter
account.X.outbound_proxy.Y.failback_mode
[1][2]
<MAC>.cfg
Description
It configures the failback mode for the IP phone to retry the primary outbound proxy
server in failover.
Note: DNSTTL, Registration and duration mode can only be processed when the IP
phone is idle (that is, no incoming/outbound calls, no active calls or meetings, etc.).
Permitted
Values
0-newRequests: all requests are sent to the primary outbound proxy server first,
regardless of the last server that was used. If the primary outbound proxy server does
not respond correctly, the IP phone will try to send requests to the secondary
outbound proxy server.
1-DNSTTL: the IP phone will send requests to the last registered outbound proxy
server first. If the TTL for the DNS A records on the registered outbound proxy server
expires, the phone will retry to send requests to the primary outbound proxy server.
2-Registration: the IP phone will send requests to the last registered outbound proxy
server first. If the registration expires, the phone will retry to send requests to the
primary outbound proxy server.
3-duration: the IP phone will send requests to the last registered outbound proxy
server first. If the time defined by the parameter
“account.X.outbound_proxy.Y.failback_timeout” expires, the phone will retry to send