CHAPTER60 Configuration Parameters Reference
Mediant 4000 SBC | User's Manual
Parameter Description
[GWOutboundManipul
ationSet]
The Manipulation Set is defined using the MessageManipulations
parameter. By default, no manipulation is done (i.e. Manipulation Set
ID is set to -1).
For more information, see Configuring SIP Message Manipulation on
page478.
'WebSocket Keep-
Alive Period'
configure voip >
sip-definition
settings >
websocket-
keepalive
[WebSocketProtocolK
eepAlivePeriod]
Defines how often (in seconds) the device sends ping messages
(keep alive) to check whether the WebSocket session with the Web
client is still connected.
The valid value is 5 to 2000000. The default is 0 (i.e., ping messages
are not sent).
For more information on WebSocket, see SIP over WebSocket.
Note:
■ The device always replies to WebSocket ping control messages
with pong messages.
Out-of-Service (Busy Out) Parameters
'Enable Busy Out'
configure voip >
sip-definition
settings > busy-
out
[EnableBusyOut]
Enables the Busy Out feature.
■ [0] Disable (Default)
■ [1] Enable
When enabled and certain scenarios exist, the device does the
following:
The above behavior is done upon one of the following scenarios:
■ The device is physically disconnected from the network (i.e.,
Ethernet cable is disconnected).
■ The device can't communicate with the Proxy Sets (according to
the Proxy Keep-Alive mechanism) associated with the
destination IP Groups for matching routing rules in the Tel-to-IP
Routing table, and no other alternative route exists to send the
call.
■ The IP Connectivity mechanism is enabled (see the
AltRoutingTel2IPEnable parameter) and there is no connectivity
to any destination IP address configured for matching routing
rules in the Tel-to-IP Routing table.
Note:
■ If the AltRoutingTel2IPEnable parameter is enabled, the Busy
Out feature does not function with the Proxy Set keep-alive
mechanism. To use the Busy Out feature with the Proxy Set
keep-alive mechanism (for IP Groups), disable the
AltRoutingTel2IPEnable parameter.
Retransmission Parameters
'SIP T1
Retransmission Timer'
configure voip >
sip-definition
settings > t1-
re-tx-time
Defines the time interval (in msec) between the first transmission of
a SIP message and the first retransmission of the same message.
The default is 500.
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