This filter is used to:
-
Call arrives TMG, checked the flag: http_routing of the incoming NAP, if it is set to YES, continue the next steps!
-
Send query with incoming NAP name, calling and called number to an external routing engine server : a URL LIKE https://192.168.2.100/api/routingengine/routingengine.php… as an example
-
Get required parameters: dest_nap, priority, weight from the external routing engine server:
a. For valid call with routes: 200 OK with response like below:
{
“route1”:“NAP_A”,“priority”:5,“weight”:100,
“route2”:“NAP_B”,“priority”:6,“weight”:100,
“route3”:“NAP_C”,“priority”:7,“weight”:“100”,
“route4”:“NAP_D”,“priority”:8,“weight”:“100”
}.
b. For invalid call, 404 no route -
Compose the routes by the returned string
-
Combine the Routes with the route from the ProSBC Routes configuration
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