User's Manual 384 Document #: LTRT-10632
Mediant 800B Gateway & E-SBC
Parameter Description
Proxy Keep-Alive Time
proxy-keep-alive-time
[ProxySet_ProxyKeepAliveTim
e]
Defines the interval (in seconds) between keep-alive messages sent
by the device when the Proxy Keep-
Alive feature is enabled (see the
'Proxy Keep-Alive' parameter in this table).
The valid range is 5 to 2,000,000. The default is 60.
Note: The parameter is applicable only if the 'Proxy Keep-Alive'
parameter is set to Using Options.
Keep-Alive Failure Responses
keepalive-fail-resp
[ProxySet_KeepAliveFailureRe
sp]
Defines SIP response codes that if any is received in response to a
keep-alive message using SIP OPTIONS, the device considers the
proxy as down.
Up to three response codes can be configured, where each code is
separated by a comma (e.g., 407,404). By default, no response
code is defined. If no response code is configured, or if response
codes received are not those configured, the proxy is considered
"alive".
Note: The SIP 200 response code is not supported for this feature.
Success Detection Retries
success-detect-retries
[ProxySet_SuccessDetectionR
etries]
Defines the minimum number of consecutive, successful keep-alive
messages that the device sends to an offline proxy, before the
device considers the proxy as being online.
sending of each consecutive successful keep-alive is configured by
the 'Success Detection Interval' parameter (see below). For an
example of using this parameter, see the 'Success Detection
Interval' parameter.
The valid range is 1 to 100. The default is 1.
Note: The parameter is applicable only if the 'Proxy Keep-Alive'
parameter is set to Using Options.
Success Detection Interval
success-detect-int
[ProxySet_SuccessDetectionIn
terval]
Defines the interval (in seconds) between each keep-
configured by the 'Success Detection Retries' parameter) that the
device performs for offline proxies.
The valid range is 1 to 200. The default is 10.
For example, assume that the ‘Success Detection Retries’
parameter is configured to 3 and the ‘Success Detection Interval’
parameter to 5 (seconds). When connectivity is lost with the proxy,
the device sends keep-alive messages to the proxy. If the device
receives a successful response from the proxy, it sends another
(1st) keep-alive after 5 seconds, and if successful, sends another
(2nd) keep-alive after 5 seconds, and if successful, sends another
(3rd) keep-alive after 5 seconds, and if successful, considers
connectivity with the proxy as being restored.
Note: The parameter is applicable only if the 'Proxy Keep-Alive'
parameter is set to Using Options.
Failure Detection
Retransmissions
fail-detect-rtx
[ProxySet_FailureDetectionRet
ransmissions]
Defines the maximum number of UDP retransmissions that the
device sends to an offline proxy, before the device considers the
proxy as being offline.
The valid range is -1 to 255. The default is -
1 (i.e., the settings of the
global parameter SIPMaxRtxis applied).
Note: The parameter is applicable only if the 'Proxy Keep-Alive'
parameter is set to Using Options.
Redundancy
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