SIP User's Manual 416 Document #: LTRT-12801
MP-500 MSBG
Parameter Description
Web: Alt Routing Tel to IP
Connectivity Method
EMS: Alternative Routing
Telephone to IP Connection
Method
[AltRoutingTel2IPConnMethod
]
Determines the method used by the device for periodically
querying the connectivity status of a destination IP address.
[0] ICMP Ping (default) = Internet Control Message Protocol
(ICMP) ping messages.
[1] SIP OPTIONS = The remote destination is considered
offline if the latest OPTIONS transaction timed out. Any
response to an OPTIONS request, even if indicating an error,
brings the connectivity status to online.
[EnableAltMapTel2IP]
Enables different Tel-to-IP destination number manipulation rules
per routing rule when several (up to three) Tel-to-IP routing rules
are defined and if alternative routing using release causes is
used. For example, if an INVITE message for a Tel-to-IP call is
returned with a SIP 404 Not Found response, the call can be re-
sent to a different destination number (as defined using the
parameter NumberMapTel2IP).
[0] = Disable (default)
[1] = Enable
Web: Alt Routing Tel to IP Keep
Alive Time
EMS: Alternative Routing Keep
Alive Time
[AltRoutingTel2IPKeepAliveTi
me]
Defines the time interval (in seconds) between SIP OPTIONS
Keep-Alive messages used for the IP Connectivity application.
The valid range is 5 to 2,000,000. The default value is 60.
Web/EMS: Alternative Routing
Tone Duration [ms]
[AltRoutingToneDuration]
Determines the duration (in milliseconds) for which the device
plays a tone to the endpoint on each Alternative Routing attempt.
When the device finishes playing the tone, a new SIP INVITE
message is sent toward the new destination. The tone played is
the Call Forward Tone (Tone Type #25 in the CPT file).
The valid range is 0 to 20,000. The default is 0 (i.e., no tone is
played).
Web: Max Allowed Packet Loss
for Alt Routing [%]
[IPConnQoSMaxAllowedPL]
Packet loss percentage at which the IP connection is considered
a failure and Alternative Routing mechanism is activated.
The range is 1 to 20%. The default value is 20%.
Web: Max Allowed Delay for Alt
Routing [msec]
[IPConnQoSMaxAllowedDelay]
Transmission delay (in msec) at which the IP connection is
considered a failure and Alternative Routing mechanism is
activated.
The range is 100 to 1000. The default value is 250.
Web: Reasons for Alternative Tel-to-IP Routing Table
EMS: Alt Route Cause Tel to IP
[AltRouteCauseTel2IP]
This ini file table parameter configures SIP call failure reason
values received from the IP side. If an IP call is released as a
result of one of these reasons, the device attempts to locate an
alternative IP route (address) to the call in the 'Tel to IP Routing'
table (if a Proxy is not used) or used as a redundant Proxy (you
need to set the parameter RedundantRoutingMode to 2). The
release reason for Tel-to-IP calls is provided in SIP 4xx, 5xx, and
6xx response codes.
The format of this parameter is as follows:
[AltRouteCauseTel2IP]
FORMAT AltRouteCauseTel2IP_Index =
AltRouteCauseTel2IP_ReleaseCause;
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