Yealink SIP-T4X Administration Manual page 355

Administrator's Guide for SIP-T4X IP Phones
Fallback Mode
Parameter-
account.X.fallback.redundancy_ty
pe
Description
Format
Default Value
Range
Example
Parameter-
account.X.fallback.timeout
Description
Format
Default Value
Range
Example
340
Configuration File
<MAC>.cfg
Configures the registration mode for the IP
phone in fallback mode.
X ranges from 1 to 6.
Integer
0
Valid values are:
0-Concurrent registration: the phone
registers to the working server and fallback
server at the same time.
1-Successive registration: the phone
registers to the working server first. When
the working server fails, the phone
registers to the fallback server.
account.1.fallback.redundancy_type = 0
Configuration File
<MAC>.cfg
Configures the time interval (in seconds)
for the IP phone to detect whether the
working server is available by sending the
registration request after the fallback
server takes over the call control.
It is only applicable to the successive
registration mode.
X ranges from 1 to 6.
Integer
120
10 to 2147483647
account.1.fallback.timeout = 120