Yealink SIP-T2 Series

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones
712
Parameters
Permitted Values
Default
0-Concurrent Registration
1-Successive Registration
X ranges from 1 to 16 (for SIP-T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T42G/T42S)
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2)
Note: It is not applicable to outbound proxy servers.
Web User Interface:
None
Phone User Interface:
None
account.X.fallback.timeout
Integer from 10 to
2147483647
120
Description:
Configures the time interval (in seconds) for the IP phone to detect whether the working
server is available by sending the registration request for account X after the fallback server
takes over call control.
X ranges from 1 to 16 (for SIP-T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T42G/T42S)
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2)
Note: It works only if the value of the parameter “account.X.fallback.redundancy_type” is set
to 1 (Successive Registration). It is not applicable to outbound proxy servers.
Web User Interface:
None
Phone User Interface:
None
account.X.outbound_proxy_fallback_interval
Integer from 0 to
65535
3600
Description: