AudioCodes Mediant 800B - Page 524

User's Manual 524 Document #: LTRT-10632
Mediant 800B Gateway & E-SBC
Parameter Description
MWI Interrogation Type
mwi-interrogation-type
[TrunkGroupSettings_MWIInt
errogationType]
Defines message waiting indication (MWI) QSIG-to-IP interworking
for interrogating MWI supplementary services:
 [255] Not configured.
 [0] None = Disables the feature.
 [1] Use Activate Only = MWI Interrogation messages are not sent
and only "passively" responds to MWI Activate requests from the
PBX.
 [2] Result Not Used = MWI Interrogation messages are sent, but
the result is not used. Instead, the device waits for MWI Activate
requests from the PBX.
 [3] Use Result = MWI Interrogation messages are sent, its results
are used, and the MWI Activate requests are used. MWI Activate
requests are interworked to SIP NOTI
FY MWI messages. The SIP
NOTIFY messages are sent to the IP Group defined by the
NotificationIPGroupID parameter.
Note: The parameter appears in the table only if the
VoiceMailInterface parameter is set to 3 (QSIG) (see Configuring
Voice Mail on page 626).
Status
Admin State (Read-only) Displays the administrators state:
 "Locked": The Lock command has been chosen from the Action
drop-down button.
 "Unlocked": The Unlock command has been chosen from the
Action drop-down button.
Status (Read-only) Displays the current status of the trunks/channels in the
Trunk Group:
 "In Service": Indicates that all channels in the Trunk Group are in
service, for example, when the Trunk Group is unlocked or Busy
Out state cleared (see the EnableBusyOut parameter for more
information).
 "Going Out Of Service": Appears as soon as you choose the Lock
command and indicates that the device is starting to lock the
Trunk Group and take channels out of service.
 "Going Out Of Service (<duration remaining of graceful period>
sec / <number of calls still active> calls)": Appears when the
device is locking the Trunk Group and indicates the number of
buys channels and the time remaining until the graceful period
ends, after which the device locks the channels regardless of
whether the call has ended or not.

"Out Of Service": All fully configured trunks in the Trunk Group are
out of service, for example, when the Trunk Group is locked or in
Busy Out state (see the EnableBusyOut parameter).