SIP User's Manual 122 Document #: LTRT-68806
Mediant 2000 & TP-1610 & TP-260/UNI
Table 5-19: General Parameters (Routing Tables)
Parameter Description
Enable Alt Routing Tel to
IP
[AltRoutingTel2IPEnabl
e]
Determines the operation modes for the Alternative Routing mechanism.
 [0] Disable = Disable the Alternative Routing feature (default).
 [1] Enable = Enable the Alternative Routing feature.
 [2] Status Only = The Alternative Routing feature is disabled and a
read-only information on the quality of service of the destination IP
addresses is provided.
For information on the Alternative Routing feature, refer to 'Configuring
Alternative Routing (Based on Connectivity and QoS)' on page 351.
Alt Routing Tel to IP
Mode
[AltRoutingTel2IPMode]
 [0] None = Alternative routing is not used.
 [1] Connectivity = Alternative routing is performed if ping to initial
destination fails.
 [2] QoS = Alternative routing is performed if poor Quality of Service is
detected.
 [3] Both = Alternative routing is performed if either ping to initial
destination fails, poor Quality of Service is detected, or DNS host name
is not resolved (default).
Notes:
 QoS (Quality of Service) is quantified according to delay and packet
loss, calculated according to previous calls. QoS statistics are reset if
no new data is received for two minutes. For information on the
Alternative Routing feature, refer to 'Configuring Alternative Routing
(Based on Connectivity and QoS)' on page 351.
 To receive quality information (displayed in the Quality Status and
Quality Info. fields in 'IP Connectivity' on page 226) regarding a given
destination, the parameter AltRoutingTel2IPMode must be set to 2 or 3.
Max Allowed Packet
Loss for Alt Routing [%]
[IPConnQoSMaxAllowe
dPL]
Packet loss percentage at which the IP connection is considered a failure.
The range is 1 to 20%. The default value is 20%.
Max Allowed Delay for
Alt Routing [msec]
[IPConnQoSMaxAllowe
dDelay]
Transmission delay (in msec) at which the IP connection is considered a
failure.
The range is 100 to 1000. The default value is 250 msec.
5.5.4.2 Tel to IP Routing Table
The Tel to IP Routing Table is used to route incoming Tel calls to IP addresses. This
routing table associates a called / calling telephone number's prefixes with a destination IP
address or with a Fully Qualified Domain Name (FQDN). When a call is routed through the
VoIP gateway (Proxy isn't used), the called and calling numbers are compared to the list of
prefixes in the IP Routing table (up to 50 prefixes can be configured); Calls that match
these prefixes are sent to the corresponding IP address. If the number dialed does not
match these prefixes, the call is not made.
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