Outbound Route Overview
An outbound route is used to tell the PBX which extension users are allowed to make outbound calls and which trunk to use for the outbound calls.
How does an outbound route work?
Every time user dials a number, PBX will do the following in strict order:
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Examine the number user dialed.
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Compare the dialed number with the pattern that you have defined in route 1.
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If it matches, PBX will route the call out using the associated trunk.
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If it does not match, PBX will match the number with the pattern that you have defined in route 2, and so on.
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