Version 5.8 203 October 2009
SIP User's Manual 3. Web-Based Management
Notes:
• If the alternative routing destination is the device itself, the call can be
configured to be routed back to the PSTN. This feature is referred to as
'PSTN Fallback', meaning that if poor voice quality occurs over the IP
network, the call is routed through the legacy telephony system (PSTN).
• Tel-to-IP routing can be performed before or after applying the number
manipulation rules. To control when number manipulation is performed,
use the 'Tel to IP Routing Mode' (or RouteModeTel2IP ini file) parameter,
described in the table below.
• You can also configure the 'Tel to IP Routing' table using the ini file table
parameter Prefix (refer to ''Number Manipulation and Routing
Parameters'' on page 408).
¾ To configure the Tel to IP Routing table:
1. Open the 'Tel to IP Routing' page (Configuration tab > Protocol Configuration menu
> Routing Tables submenu > Tel to IP Routing page item).
2. From the 'Routing Index' drop-down list, select the range of entries that you want to
add.
3. Configure the Tel to IP Routing table according to the table below.
4. Click the Submit button to save your changes.
5. To save the changes to flash memory, refer to ''Saving Configuration'' on page 237.
Table 3-26: T
el to IP Routing Table Parameters
Parameter Description
Web/EMS: Tel to IP Routing
Mode
[RouteModeTel2IP]
Determines whether to route Tel calls to IP before or after
manipulation of destination number.
 [0] Route calls before manipulation = Calls are routed before the
number manipulation rules are applied (default).
 [1] Route calls after manipulation = Calls are routed after the
number manipulation rules are applied.
Notes:
 This parameter is not applicable if outbound Proxy routing is
used.
 For number manipulation, refer to ''Configuring the Number
Manipulation Tables'' on page 195.
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