User Manual

Administrator’s Guide for SIP-T2xP and SIP-T19P IP Phones
358
Range
Valid values are:
0-Concurrent registration
1-Successive registration
Example
account.1.fallback.redundancy_type = 0
Parameter-
account.X.fallback.timeout
Configuration File
<MAC>.cfg
Description
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 call control.
It is only applicable to successive
registration mode.
X ranges from 1 to 6.
Format
Integer
Default Value
120
Range
10 to 2147483647
Example
account.1.fallback.timeout = 120
Failover Mode
Parameter-
account.X.sip_server.Y.failback_mo
de
Configuration File
<MAC>.cfg
Description
Configures the mode for the IP phone to
retry the primary server in failover mode.
X ranges from 1 to 6.
Y ranges from 1 to 2.
Format
Integer
Default Value
0
Range
Valid values are:
0-newRequests: all requests are sent to the
primary server first, regardless of the last
used server.
1-DNSTTL: the IP phone retries to send
requests to the primary server after the