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  <configuration name="json_cdr.conf" description="JSON CDR">
    <settings>

      <!-- Global parameters -->
      <param name="log-b-leg" value="true"/>
      <param name="prefix-a-leg" value="false"/>

      <!-- Whether to URL encode the individual JSON values. Defaults to true, set to false for standard JSON. -->
      <param name="encode-values" value="true"/>

      <!-- Normally if url and log-dir are present, url is attempted first and log-dir second. This options allows to do both systematically. -->
      <param name="log-http-and-disk" value="false"/>

      <!-- File logging -->
      <!-- Directory where to create the "json_cdr" directory used to store JSON CDRs. Leave empty for no file logging. -->
      <!-- Might be overriden by a channel variable "json_cdr_base". -->
      <param name="log-dir" value=""/>
      <!-- Whether to rotate file CDRs. -->
      <param name="rotate" value="false"/>

      <!-- HTTP(S) logging -->
      <!-- URL where to POST JSON CDRs. Leave empty for no URL logging. Up to 20 URLs may be specified. -->
      <param name="url" value=""/>
      <!-- Authentication scheme for the above URL. May be one of basic|digest|NTLM|GSS-NEGOTIATE|any-->
      <param name="auth-scheme" value="basic"/>
      <!-- Credentials in the form  username:password  if auth-scheme is used. Leave empty for no authentication. -->
      <param name="cred" value="string"/>
      <!-- Whether to base64 encode the entire JSON document before POSTing it. -->
      <param name="encode" value="base64|true|false"/>
      <!-- Number of retries in case of failure. Each specified URL is tried in turn. -->
      <param name="retries" value="0"/>
      <!-- Delay between retries (ms). -->
      <param name="delay" value="5000"/>
      <!-- Disable streaming if the server doesn't support it. -->
      <param name="disable-100-continue" value="false"/>
      <!-- If web posting failed, the CDR is written to a file. -->
      <!-- Error log dir ("json_cdr" is appended). Up to 20 may be specified. Default to log-dir if none is specified. -->
      <param name="err-log-dir" value=""/>


      <!-- SSL options -->
      <param name="ssl-key-path" value=""/>
      <param name="ssl-key-password" value=""/>
      <!-- SSL version. If specified, must be either "SSLv3" or "TLSv1". -->
      <param name="ssl-version" value=""/>
      <param name="enable-ssl-verifyhost" value="false"/>
      <param name="ssl-cert-path" value=""/>
      <param name="enable-cacert-check" value="false"/>
      <param name="ssl-cacert-file" value=""/>
    </settings>
  </configuration>

At least one of log-dir or url is required for logging to happen.

In log-dir (file) mode, one file is created per call in the target directory.

In url mode, one POST is submitted per CDR. (The socket is currently not re-used between CDRs.) The cred field should contain "login:password" for authentication.

For CouchDB insertion (with FS-3721 fix) use for example an CouchDB URL like http://127.0.0.1:5984/cdr where cdr is the database that will store your Call Detail Records. Make sure to set encode-values to false if you'd like plain JSON content.

If submission of the CDR using url fails, the module will fallback to file mode using each err-log-dir.

Output (example CDRs)

The JSON layout contains four sections:

  • app_log: contains "application" data
  • callflow: contains "extension", "caller_profile"
  • channel_data: FreeSwitch channel data
  • variables: all channel variables, including "billsec"