is_alpha_number

Returns true if the number is a valid vanity (alpha) number such as 800 MICROSOFT; it returns false otherwise. A valid vanity number will start with at least 3 digits and will have three or more alpha characters. This does not do region-specific checks.

This action does not use any parameters.

Dialplan Application

Consider the following dialplan fragments:

  <action application="phonenumber" data="is_alpha_number caller"/>

will set the phonenumber_caller_is_alpha_number channel variable to either true or false.

  <action application="phonenumber" data="is_alpha_number destination"/>

will set the phonenumber_destination_is_alpha_number channel variable to either true or false.

  <action application="phonenumber" data="is_alpha_number all"/>

will set both the phonenumber_caller_is_alpha_number and the phonenumber_destination_is_alpha_number channel variables to either true or false.

  <action application="phonenumber" data="is_alpha_number ${variable}"/>

will set the phonenumber_number_is_alpha_number channel variable to either true or false.

API Interface

freeswitch@test> phonenumber is_alpha_number +18006427676

false

freeswitch@test> phonenumber is_alpha_number +1800MICROSOFT

true

Hooks

Consider the following hook definitions:

    <hook>
      <param name="scope" value="caller"/>
      <param name="actions" value="is_alpha_number"/>
    </hook>

will set the phonenumber_caller_is_alpha_number channel variable to either true or false.

    <hook>
      <param name="scope" value="destination"/>
      <param name="actions" value="is_alpha_number"/>
    </hook>

will set the phonenumber_destination_is_alpha_number channel variable to either true or false.

    <hook>
      <param name="scope" value="all"/>
      <param name="actions" value="is_alpha_number"/>
    </hook>

will set both the phonenumber_caller_is_alpha_number and the phonenumber_destination_is_alpha_number channel variables to either true or false.