Version 5.8 261 September 2009
SIP User's Manual 6. Configuration Parameters Reference
Parameter Description
persistent and not released unless the device reaches
70% of its maximum TCP resources.
While trying to send a SIP message connection, reuse
policy determines whether alive connections to the specific
destination are re-used.
Persistent TCP connection ensures less network traffic due
to fewer setting up and tearing down of TCP connections
and reduced latency on subsequent requests due to
avoidance of initial TCP handshake. For TLS, persistent
connection may reduce the number of costly TLS
handshakes to establish security associations, in addition
to the initial TCP connection set up.
Web/EMS: Enable Fax Re-Routing
[EnableFaxReRouting]
Enables or disables re-routing of Tel-to-IP calls that are
identified as fax calls.
[0] Disable = Disabled (default).
[1] Enable = Enabled.
If a CNG tone is detected on the Tel side of a Tel-to-IP call,
the prefix "FAX" is appended to the destination number
before routing and manipulations. An entry of "FAX" as the
destination number in the 'Tel-to-IP Routing' table is then
used to route the call, and the destination number
manipulation mechanism is used to remove the "FAX"
prefix, if required.
If the initial INVITE used to establish the voice call (not fax)
was already sent, a CANCEL (if not connected yet) or a
BYE (if already connected) is sent to tear down the voice
call.
Notes:
To enable this feature, set CNGDetectorMode to 2, and
IsFaxUsed to 1, 2, or 3.
The "FAX" prefix in routing and manipulation tables is
case sensitive.
Web/EMS: Gateway Name
[SIPGatewayName]
Assigns a name to the device (e.g., 'gateway1.com').
Ensure that the name you choose is the one with which the
Proxy is configured to identify the device.
Note: If specified, the device name is used as the host part
of the SIP URI in the From header. If not specified, the
device's IP address is used instead (default).
[ZeroSDPHandling]
Determines the device's response to an incoming SDP that
includes an IP address of 0.0.0.0 in the SDP message's
Connection Information line (i.e., "c=IN IP4 0.0.0.0").
[0] = Sets the IP address of the outgoing SDP's
Connection Information line to 0.0.0.0 (default).
[1] = Sets the IP address of the outgoing SDP
Connection Information line to the IP address of the
device. If the incoming SDP doesn’t contain the
"a=inactive" line, the returned SDP contains the
"a=recvonly" line.
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