AudioCodes Mediant 2000

Version 6.6 577 Mediant 2000
User's Manual 45. Configuration Parameters Reference
Parameter Description
Out-of-Service (Busy Out) Parameters
Web/EMS: Enable Busy
Out
[EnableBusyOut]
Enables the Busy Out feature.
 [0] Disable (Default)
 [1] Enable
When Busy Out is enabled and certain scenarios exist, the device does
the following:
 All E1/T1 trunks are automatically taken out of service by taking
down the D-Channel or by sending a Service Out message for T1
PRI trunks supporting these messages (NI-2, 4/5-ESS, DMS-100,
and Meridian).
These behaviors are done upon one of the following scenarios:
 The device is physically disconnected from the network (i.e.,
Ethernet cable is disconnected).
 The Ethernet cable is connected, but the device is unable to
communicate with any host. For this scenario, the LAN Watch-Dog
must be activated (i.e., set the EnableLANWatchDog parameter to
1).

The device can't communicate with the proxy (according to the Proxy
Keep-Alive mechanism) and no other alternative route exists to send
the call.
 The IP Connectivity mechanism is enabled (using the
AltRoutingTel2IPEnable parameter) and there is no connectivity to
any destination IP address.
Notes:
 The Busy Out behavior depends on the PSTN protocol type.
 The Busy-Out condition can also be applied to a specific Trunk
Group. If there is no connectivity to the Serving IP Group of a
specific Trunk Group (defined in the Trunk Group Settings table), all
physical trunks pertaining to that Trunk Group are set to the Busy-
Out condition. Each trunk uses the proper Out-Of-Service method
according to the selected ISDN/CAS variant.
 To configure the method for setting digital trunks to Out-Of-Service,
use the DigitalOOSBehavior parameter.
Web/EMS: Graceful Busy
Out Timeout [sec]
[GracefulBusyOutTimeo
ut]
Defines the timeout interval (in seconds) for Out-of-Service graceful
shutdown mode for busy trunks (per trunk) if communication fails with a
Proxy server (or Proxy Set). In such a scenario, the device rejects new
calls from the PSTN (Serving Trunk Group), but maintains currently
active calls for this user-defined timeout. Once this timeout elapses, the
device terminates currently active calls and takes the trunk out of
service (sending the PSTN busy-out signal). Trunks on which no calls
are active are immediately taken out of service regardless of the
timeout.
The range is 0 to 3,600. The default is 0.
Web: Digital Out-Of-
Service Behavior
EMS: Digital OOS
Behavior For Trunk Value
[DigitalOOSBehaviorFor
Trunk_x]
Determines the method for setting digital trunks to Out-Of-Service state
per trunk.
 [-1] Not Configured = (Default) Use the settings of the
DigitalOOSBehavior parameter for per device.
 [0] Default = Uses default behavior for each trunk (see note below).
 [1] Service = Sends ISDN In or Out of Service (only for ISDN
protocols that support Service message).