AudioCodes Mediant 3000 User Manual page 624

Parameter
Web/EMS: SIT Q850 Cause
For VC
[SITQ850CauseForVC]
Web/EMS: SIT Q850 Cause
For RO
[SITQ850CauseForRO]
[GWInboundManipulationS
et]
[GWOutboundManipulation
Set]
Out-of-Service (Busy Out) Parameters
Web/EMS: Enable Busy Out
[EnableBusyOut]
SIP User's Manual
Defines the Q.850 cause value specified in the SIP Reason header
that is included in a 4xx response when SIT-VC (Vacant Circuit - non-
registered number Special Information Tone) is detected from the
PSTN for IP-to-Tel calls.
The valid range is 0 to 127. The default value is -1 (not configured).
Note: When not configured (i.e., default), the SITQ850Cause
parameter is used.
Defines the Q.850 cause value specified in the SIP Reason header
that is included in a 4xx response when SIT-RO (Reorder - System
Busy Special Information Tone) is detected from the PSTN for IP-to-
Tel calls.
The valid range is 0 to 127. The default value is -1 (not configured).
Note: When not configured (i.e., default), the SITQ850Cause
parameter is used.
Selects the Manipulation Set ID for manipulating all inbound INVITE
messages. The Manipulation Set is defined using the
MessageManipulations parameter. By default, no manipulation is
done (i.e. Manipulation Set ID is set to -1).
Selects the Manipulation Set ID for manipulating all outbound INVITE
messages. The Manipulation Set is defined using the
MessageManipulations parameter. By default, no manipulation is
done (i.e. Manipulation Set ID is set to -1).
Note: This parameter is used only if the Outbound Message
Manipulation Set parameter of the destination IP Group is not set.
Enables the Busy Out feature.

[0] Disable = 'Busy out' feature is not used (default).

[1] Enable = 'Busy out' feature is enabled.
When Busy Out is enabled and certain scenarios exist, the device
performs 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 performed upon one of the following scenarios:

Physically disconnected from the network (i.e., Ethernet cable is
disconnected).

The Ethernet cable is connected, but the device can't
communicate with any host. Note that LAN Watch-Dog must be
activated (the parameter EnableLANWatchDog set 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 parameter
AltRoutingTel2IPEnable) and there is no connectivity to any
destination IP address.
Notes:

The Busy Out behavior varies between different protocol types.

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),
624
Description
Document #: LTRT-89712
Mediant 3000