Yealink SIP-T2XP, Provisioning Manual

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Yealink IP Phones Auto provisioning Guide
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Parameter Permitted Values Descriptions Web Setting Path
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)
The default value is 3600.
account.X.sip_server.Y.retry_counts =
(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 from 0 to 20
It configures the times for the phone to
retransmit the request when the SIP server Y
is unavailable or there is no response from
the SIP server Y for account X.
The default value is 3.
Account->Register ->SIP Server Y
->Server Retry Counts
account.X.sip_server.Y.failback_mode =
(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)
0, 1, 2 or 3
It configures the mode for the phone to retry
the primary server in failover mode for
account X.
0-newRequests: all requests are forwarded
to the primary server first, regardless of the
last used server.
1-DNSTTL: the phone retries to use the
primary server after the timeout of the
DNSTTL configured for the SIP server.
2-Registration: the phone retries to use the
primary server when the SIP server’s