Knowledgebase

Configuration description

The service ‘priority’ can automatically free resources if a high priority call needs to be established while no resources are available. The service ‘priority’ can have multiple ports. You can assign a priority level for each port. This priority level defines the priority level of each call, which is received through the port. If a call with higher priority fails to be established, the service tries dropping lower priority calls to free resources for the higher priority call. Subsequently it tries to establish the higher priority call again. The configuration below is a typical application for this service in which non-.emergency calls are dropped to free resources for emergency calls.

The configuration below routes every call from the fxs-ports to a routing-table and if it is an emergency call (number 112, 117, 118, 119) to the higher port with the higher priority. Every other call can be dropped if an emergency call needs to be placed.

Commande sequence to copy, edit and paste

context cs

routing-table called-e164 RT_CALLED_PARTY
  route 11[2789] dest-service SER_PRIO.priority
  route default dest-service SER_PRIO.standard

interface fxs IF_FXS_00
  route call dest-table RT_CALLED_PARTY

interface fxs IF_FXS_01
  route call dest-table RT_CALLED_PARTY

interface fxo IF_FXO_00

service priority SER_PRIO

    port priority
      route call dest-interface IF_FXO_00
      priority 10

    port standard
      route call dest-interface IF_FXO_00