Version 6.4 747 March 2012
SIP User's Manual A. Configuration Parameters Reference
Parameter Description
AltRouteCauseTEL2IP (Reasons for Alternative Routing table).
Web: Enable Alt Routing Tel to IP
EMS: Enable Alternative Routing
[AltRoutingTel2IPEnable]
Enables the Alternative Routing feature for Tel-to-IP calls.
[0] Disable = Disables the Alternative Routing feature
(default).
[1] Enable = Enables the Alternative Routing feature.
[2] Status Only = The Alternative Routing feature is
disabled, but read-only information on the QoS of the
destination IP addresses is provided.
For information on the Alternative Routing feature, see
'Configuring Alternative Routing (Based on Connectivity and
QoS)' on page 349.
Web: Alt Routing Tel to IP Mode
EMS: Alternative Routing Mode
[AltRoutingTel2IPMode]
Determines the event(s) reason for triggering Alternative
Routing.
[0] None = Alternative routing is not used.
[1] Connectivity = Alternative routing is performed if a ping
or SIP OPTIONS message to the initial destination fails
(determined according to the AltRoutingTel2IPConnMethod
parameter).
[2] QoS = Alternative routing is performed if poor QoS is
detected.
[3] Both = Alternative routing is performed if either ping to
initial destination fails, poor QoS is detected, or the DNS
host name is not resolved (default).
Notes:
QoS is quantified according to delay and packet loss
calculated according to previous calls. QoS statistics are
reset if no new data is received within two minutes. For
information on the Alternative Routing feature, see
'Configuring Alternative Routing (Based on Connectivity and
QoS)' on page 349.
To receive quality information (displayed in the 'Quality
Status' and 'Quality Info.' fields in 'Viewing IP Connectivity'
on page 522) per destination, this parameter must be set to
2 or 3.
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
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