Yealink SIP-T2XP, Provisioning Manual

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Yealink IP Phones Auto provisioning Guide
216
Parameter Permitted Values Descriptions Web Setting Path
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)
an INVITE failover, if the SIP server is
configured with a domain name for account
X.
0-Do not need to re-register
1-Need to re-register
The default value is 0.
account.X.naptr_build =
(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)
0 or 1
It configures the way of SRV query when
there is no result from the NAPTR query for
account X.
0-SRV query using UDP only
1-SRV query using UDP, TCP or TLS.
The default value is 0.
account.X.fallback.redundancy_type =
(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)
0 or 1
It configures the registration mode for
account X.
0-Concurrent registration
1-Successive registration
The default value is 0.
account.X.fallback.timeout =
(SIP-T28P/T48G/T46G: X ranges from 1 to 6.
SIP-T26P/T22P/ T42G/T41P: X ranges from 1 to 3.
Integer from 10 to
2147483647
It configures the time interval (in seconds)
for the phone to detect whether the working
server is available by sending the