Yealink T54S

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
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Default
0
[1]
X is the account ID. For T54S/T48S/T48G/T46S/T46G/T29G, X=1-16; for T52S/T42G/T42S, X=1-12; for
T41P/T41S/T27P/T27G, X=1-6; for T40P/T40G/T23P/T23G, X=1-3; for T21(P) E2, X=1-2; for T19(P) E2, X=1.
[2]
Y is the server ID. Y=1-2.
Failover Server Redundancy Configuration
The following table lists the parameters you can use to configure failover server redundancy.
Parameter
account.X.sip_server.Y.register_on_enable
[1][2]
<MAC>.cfg
Description
It enables or disables the IP phone to send registration requests to the secondary
server when encountering a failover.
Permitted
Values
0-Disabled, the IP 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 IP phone will directly send the requests to the secondary server.
1-Enabled, the IP phone will register to the secondary server first, and then send the
requests to it.
Default
0
Parameter
sip.skip_redundant_failover_addr
<y0000000000xx>.cfg
Description
It enables or disables the IP phone only to send requests to the servers with different
IP addresses when encountering a failover.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Parameter
account.X.sip_server.Y.expires
[1][2]
<MAC>.cfg
Description
It configures the registration expiration time (in seconds) of SIP server Y.
Example:
account.1.sip_server.1.expires = 3600
Permitted
Values
Integer from 30 to 2147483647
Default
3600
Web UI
Account->Register->SIP Server Y->Server Expires
Parameter
account.X.sip_server.Y.retry_counts
[1][2]
<MAC>.cfg
Description
It configures the retry times for the IP phone to resend requests when the SIP server Y
is unavailable or there is no response from the SIP server Y.
Example: