Specifications

VoiceFinder VoIP Gateway Configuration Guide (APOS 2.0) Release Version 3.1
AddPac Technology Co., LTD
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3.3.12. Configuring and Applying PSTN Backup
When VoIP interface seems well and its communication with gatekeeper is normal, all the calls
are delivered through this network.
However, when communication of VoIP interface with gatekeeper can be placed in abnormal
status due to a network failure or a certain exception and the call can not be delivered properly,
the features of busyout monitor, busyout action related to PSTN-Backup, are provided by the
gateway.
The default setting of the AddPac gateway is to disable inbound-pots-peer, but using the following
commands, you can enable the call :
3.3.12.1. busyout monitor
Busyout state means that VoIP gateway lost its function as the gateway depending on a network
status. Busyout determines by monitoring a status of binding or voip-interface .
When binding is disconnected with the gatekeeper and you want to busyout, set the gatekeeper to
busyout monitor, use no to exclude busyout monitor.
If you want to monitor both voip-interface and gatekeeper at the same time, set both busyout
monitor gatekeeper and busyout monitor voip-interface.
Step Commands Description
1
model name# configure terminal Enter configuration mode
2
model name(config)# voice service voip Move to voice service voip mode
3
model name(config-vservice-voip)#
busyout monitor
{callagent | gatekeeper | sip-server |
voip-interface}
Callagent : apply busyout monitoring to
mgc
Gatekeeper : apply busyout monitoring to
gatekeeper
Sip-server : apply busyout monitoring to
sip-server
Voip-interface : apply busyout monitoring
to voip- interface
3.3.12.2. busyout action
When the gateway is in busyout state, a specific action (busy-tone, port-down) can be configured.
If busyout action is set to busy-tone and operates under this condition, the call is not attempted to
the port of the gateway at PBX, because the extension or central office line, which is connected to
the port, is recognized as busy. At this time, if hunt feature is configured, when the port of the
gateway is busy, PSTN back-up can be configured in a way to attempt the call, which is