AudioCodes Mediant 500 MSBR, User Manual

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User's Manual 1072 Document #: LTRT-10375
Mediant 500 MSBR
configure voip > sip-
definition settings >
graceful-bsy-out-t-out
[GracefulBusyOutTimeout
]
Proxy server (or Proxy Set). In such a scenario, the device rejects new
calls from the PSTN (i.e., Serving Trunk Group), but maintains currently
active calls for this user-defined timeout. Once this timeout elapses and
there are still active calls, the device terminates the calls and takes the
trunk out-of-service (sending the PSTN busy-out signal). Trunks without
any active calls are immediately taken out-of-service regardless of the
timeout.
The parameter is applicable to the locking of Trunk Groups feature (see
Locking and Unlocking Trunk Groups on page 764) and the Busy Out
feature (see the EnableBusyOut parameter), where trunks/channels are
taken out-of-service.
The range is 0 to 3,600. The default is 0.
Note:

The parameter is applicable only to digital interfaces.

To configure the method for taking trunks/channels out-of-service,
see the DigitalOOSBehaviorForTrunk_x parameter for per trunk or
the DigitalOOSBehavior parameter for all trunks.
Digital Out-Of-Service
Behavior
configure voip > interface
e1-t1 > dig-oos-behavior
[DigitalOOSBehaviorForTr
unk_x]
Defines the method for setting digital trunks to out-of-service state. The
parameter is defined per trunk. The parameter is applicable to the Busy
Out feature (see the EnableBusyOut parameter) and the Lock/Unlock
per Trunk Group feature performed in the Trunk Group Settings table of
the Web interface.

[-1] Not Configured = (Default) Use the settings of the
DigitalOOSBehavior parameter ("global" parameter that applies to all
trunks).

[0] Default =

ISDN: Sends ISDN Service messages to indicate out-of-service
or in-service state for ISDN variants that support Service
messages. For ISDN variants that do not support Service
messages, the device sends an Alarm Indication Signal (AIS)
alarm.

CAS: Sends an Alarm Indication Signal (AIS) alarm.

[1] Service = (Applicable only to T1 ISDN variants that support this
method) Sends ISDN Service messages indicating out-of-service or
in-service state.

Graceful out-of-service disabled: The device rejects new
incoming calls and immediately takes all channels (idle and
busy) out-of-service, by sending Service messages on the B-
channels. The device disconnects busy channels before it sends
out-of-service Service messages on them.

Graceful out-of-service enabled: The device rejects new
incoming calls. If at least one busy channel exists during the
graceful period, the device immediately takes all idle channels
out-of-service and sends out-of-service Service messages to the
other B-channels as soon as they become idle. When graceful
period ends, the device disconnects all non-idle channels and
then sends out-of-service Service messages to them.
When connectivity is restored for the Busy Out feature or the Trunk
Group is unlocked, the device brings all the trunks back into service
by sending in-service Service messages to all their B-channels.

[2] D-Channel = (Applicable only to ISDN and fully configured trunks)
Takes the D-channel down or brings it up.

Graceful out-of-service disabled: The device rejects new
incoming calls and immediately takes the D-channel down.

Graceful out-of-service enabled: The device rejects new