Version 6.2 373 February 2011
SIP User's Manual 10. Configuration Parameters Reference
Parameter Description
with the next redundant Proxy (default).
[1] Homing = device always tries to work with the primary
Proxy server (i.e., switches back to the primary Proxy
whenever it's available).
Note: To use this Proxy Redundancy mechanism, you need to
enable the keep-alive with Proxy option, by setting the
parameter EnableProxyKeepAlive to 1 or 2.
Web: Proxy IP List Refresh Time
EMS: IP List Refresh Time
[ProxyIPListRefreshTime]
Defines the time interval (in seconds) between each Proxy IP
list refresh.
The range is 5 to 2,000,000. The default interval is 60.
Web: Enable Fallback to Routing
Table
EMS: Fallback Used
[IsFallbackUsed]
Determines whether the device falls back to the 'Tel to IP
Routing'for call routing when Proxy servers are unavailable.
[0] Disable = Fallback is not used (default).
[1] Enable = The 'Tel to IP Routing' is used when Proxy
servers are unavailable.
When the device falls back to the 'Tel to IP Routing', it
continues scanning for a Proxy. When the device locates an
active Proxy, it switches from internal routing back to Proxy
routing.
Note: To enable the redundant Proxies mechanism, set the
parameter EnableProxyKeepAlive to 1 or 2.
Web/EMS: Prefer Routing Table
[PreferRouteTable]
Determines whether the device's internal routing table takes
precedence over a Proxy for routing calls.
[0] No = Only a Proxy server is used to route calls (default).
[1] Yes = The device checks the routing rules in the 'Tel to
IP Routing' for a match with the Tel-to-IP call. Only if a
match is not found is a Proxy used.
Web/EMS: Always Use Proxy
[AlwaysSendToProxy]
Determines whether the device sends SIP messages and
responses through a Proxy server.
[0] Disable = Use standard SIP routing rules (default).
[1] Enable = All SIP messages and responses are sent to
the Proxy server.
Note: This parameter is applicable only if a Proxy server is
used (i.e., the parameter IsProxyUsed is set to 1).
Web: SIP ReRouting Mode
EMS: SIP Re-Routing Mode
[SIPReroutingMode]
Determines the routing mode after a call redirection (i.e., a 3xx
SIP response is received) or transfer (i.e., a SIP REFER
request is received).
[0] Standard = INVITE messages that are generated as a
result of Transfer or Redirect are sent directly to the URI,
according to the Refer-To header in the REFER message,
or Contact header in the 3xx response (default).
[1] Proxy = Sends a new INVITE to the Proxy.
Note: This option is applicable only if a Proxy server is used
and the parameter AlwaysSendtoProxy is set to 0.
[2] Routing Table = Uses the Routing table to locate the
destination and then sends a new INVITE to this
destination.
Notes:
When this parameter is set to [1] and the INVITE sent to the
Proxy fails, the device re-routes the call according to the
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