Specifications

Administrator’s Guide for SIP-T2xP IP Phones
338
Description
Configures the way in which the phone
fails back to the primary server for call
control in the 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
server that was used.
1-DNSTTL: the IP phone will retry to send
requests to the primary server after the
timeout equal to the DNSTTL configured for
the server that the IP phone is registered to.
2-registration: the IP phone will retry to send
REGISTER requests to the primary server
when registration renewal.
3-duration: the IP phone will retry to send
requests to the primary server after the
timeout defined by the
account.x.sip_server.y.failback_timeout
parameter.
Example
account.1.sip_server.1.failback_mode =
0
Parameter-
account.x.sip_server.y.failback_tim
eout
Configuration File
<MAC>.cfg
Description
Configures the time (in seconds) for the
phone to retry to send requests to the
primary server after failing over to the current
working server when the parameter
account.x.sip_server.y.failback_mode is set
to duration.
If you set the parameter to 0, the IP phone
will not send requests to the primary server
until a failover event occurs with the current
working server.