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Configuring Advanced Features

237

Parameters

Permitted Values

Default

Description:

Configures the way in which the phone fails back to the primary server for call

control in the failover mode.

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 send requests to the last registered server first. If the time

defined by DNSTTL on the registered server expires, the phone will retry to send

requests to the primary server.

2-registration: the IP phone will send requests to the last registered server first. If the

registration expires, the phone will retry to send requests to the primary server.

3-duration: the IP phone will send requests to the last registered server first. If the

time defined by the account.X.sip_server.Y.failback_timeout parameter expires, the

phone will retry to send requests to the primary server.

Web User Interface:

None

Phone User Interface:

None

account.X.sip_server.Y.failback_timeout

(X = 1, Y ranges from 1 to 2)

0, 60 to 65535

3600

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.

Web User Interface:

None

Phone User Interface:

None

account.X.sip_server.Y.register_on_enable

(X = 1, Y ranges from 1 to 2)

0 or 1

Description:

Enables or disables the IP phone to register to the secondary server when sending

requests to the secondary server in the failover mode.

0-Disabled