Sending an SMS from FreeSWITCH XML dialplan

1
<extension name="signalwire sms curl">
2
      <condition field="destination_number" expression="^792$">
3
4
        <!-- setup bleg uuid of this call so we we know it before hand -->
5
        <action application="set" inline="true" data="bleg_uuid=${create_uuid()}"/>
6
7
        <!-- setup signalwire credentials -->
8
        <action application="set" inline="true" data="space_name=XXXXXX"/>
9
        <action application="set" inline="true" data="project_key=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXX"/>
10
        <action application="set" inline="true" data="api_token=PTXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"/>
11
12
        <!-- not using '+' here, just the 11 digit number itself, see curl line below -->
13
        <action application="set" inline="true" data="signalwire_number=1XXXXXXXXXX"/>
14
        <action application="set" inline="true" data="cellphone=1XXXXXXXXXX"/>
15
16
        <!-- urlencode your 'spaces' to '%20' so the text body will work in the url, may need to consider other untested puncuations -->
17
        <action application="set" inline="true" data="sms_body=${system(printf 'aleg ${uuid} is calling bleg ${bleg_uuid}' | sed -r 's/ /%20/g')}"/>
18
19
        <!-- We need to base64 encode the basic authorization -->
20
        <action application="set" inline="true" data="auth=${system(printf '${project_key}:${api_token}' | base64 --wrap 0)}"/>
21
22
        <!-- notice for E.164 formatting we encode the '+' to '%2B' for the 'From' and 'To' params on the URL -->
23
        <action application="curl" data="https://${space_name}.signalwire.com/api/laml/2010-04-01/Accounts/${project_key}/Messages.json?From=%2B${signalwire_number}&To=%2B${cellphone}&Body=${sms_body} append_headers Authorization:'basic ${auth}' post"/>
24
25
        <action application="hangup"/>
26
      </condition>
27
    </extension>