<p>In this quick demo you can see how the phone numbers utilization could be implemented with ConfiForms Form and visualized with ConfiForms CalendarView</p>
<ac:structured-macro ac:macro-id="f53b7389-0803-47ed-bed9-05f8363a03c2" ac:name="confiform" ac:schema-version="1">
  <ac:parameter ac:name="formName">myphones1</ac:parameter>
  <ac:parameter ac:name="registrationFormTitle">Register phone use</ac:parameter>
  <ac:rich-text-body>
    <p>
      <ac:structured-macro ac:macro-id="653d2dab-56d9-43d6-9b08-5f1e493db648" ac:name="confiform-field-definition" ac:schema-version="1">
        <ac:parameter ac:name="fieldName">phone</ac:parameter>
        <ac:parameter ac:name="fieldLabel">Phone</ac:parameter>
        <ac:parameter ac:name="values">false[phone1=Phone 1|phone2=Phone 2|phone3=Phone 3|phone4=Phone 4|phone5=Phone 5|]</ac:parameter>
        <ac:parameter ac:name="extras">label;false</ac:parameter>
        <ac:parameter ac:name="type">select2</ac:parameter>
      </ac:structured-macro>
    </p>
    <p>
      <ac:structured-macro ac:macro-id="01306d95-8bc4-4360-9ba0-96904312f7d6" ac:name="confiform-field-definition" ac:schema-version="1">
        <ac:parameter ac:name="fieldName">usetime</ac:parameter>
        <ac:parameter ac:name="fieldLabel">Use time</ac:parameter>
        <ac:parameter ac:name="type">datetimeinterval</ac:parameter>
      </ac:structured-macro>
    </p>
    <p>
      <ac:structured-macro ac:macro-id="ca9a60d8-99f8-42c5-adbe-d06ae0a66c14" ac:name="confiform-field-definition-rules" ac:schema-version="1">
        <ac:parameter ac:name="condition">(usetime.startDate:&lt;=[entry.usetime.endDate] AND usetime.endDate:&gt;=[entry.usetime.startDate] AND !id:[entry.id] AND phone:[entry.phone])</ac:parameter>
        <ac:parameter ac:name="fieldName">This phone is in use at these dates - dates overlap</ac:parameter>
        <ac:parameter ac:name="action">Validation rule dataset</ac:parameter>
      </ac:structured-macro>
    </p>
    <ac:structured-macro ac:macro-id="e7e75c61-212d-4698-97f0-c7b2e002fb83" ac:name="confiform-entry-register" ac:schema-version="1">
      <ac:parameter ac:name="embedded">true</ac:parameter>
      <ac:parameter ac:name="atlassian-macro-output-type">INLINE</ac:parameter>
      <ac:rich-text-body>
        <p>
          <br/>
        </p>
      </ac:rich-text-body>
    </ac:structured-macro>
  </ac:rich-text-body>
</ac:structured-macro>
<ac:structured-macro ac:macro-id="d2b2a0aa-36de-405a-a1f0-c91f48f31f20" ac:name="confiform-calendar" ac:schema-version="1">
  <ac:parameter ac:name="eventTitleFieldName">[entry.phone] - [entry.usetime.asPeriodFormatted]</ac:parameter>
  <ac:parameter ac:name="groupingFieldName">usetime</ac:parameter>
  <ac:parameter ac:name="formName">myphones1</ac:parameter>
  <ac:parameter ac:name="placement">Calendar only</ac:parameter>
  <ac:rich-text-body>
    <p>
      <ac:structured-macro ac:macro-id="63ede68c-a9cf-476d-a665-93fd7e503c24" ac:name="confiform-field-css" ac:schema-version="1">
        <ac:parameter ac:name="condition">phone:phone1</ac:parameter>
        <ac:parameter ac:name="css">background-color:pink !important;</ac:parameter>
        <ac:parameter ac:name="fieldName">usetime</ac:parameter>
      </ac:structured-macro>
    </p>
    <p>
      <ac:structured-macro ac:macro-id="59d5219a-d9de-4c1d-a944-f1e237938e8f" ac:name="confiform-field-css" ac:schema-version="1">
        <ac:parameter ac:name="condition">phone:phone2</ac:parameter>
        <ac:parameter ac:name="css">background-color:red !important;</ac:parameter>
        <ac:parameter ac:name="fieldName">usetime</ac:parameter>
      </ac:structured-macro>
    </p>
    <p>
      <ac:structured-macro ac:macro-id="a7b7a0e8-4b3e-481c-bed5-0992f5d906b1" ac:name="confiform-field-css" ac:schema-version="1">
        <ac:parameter ac:name="condition">phone:phone3</ac:parameter>
        <ac:parameter ac:name="css">background-color:yellow !important;</ac:parameter>
        <ac:parameter ac:name="fieldName">usetime</ac:parameter>
      </ac:structured-macro>
    </p>
    <p>
      <ac:structured-macro ac:macro-id="a6fe4da3-7a4d-470f-8c45-da3404803ade" ac:name="confiform-field-css" ac:schema-version="1">
        <ac:parameter ac:name="condition">phone:phone4</ac:parameter>
        <ac:parameter ac:name="css">background-color:green !important;</ac:parameter>
        <ac:parameter ac:name="fieldName">usetime</ac:parameter>
      </ac:structured-macro>
    </p>
    <p>
      <ac:structured-macro ac:macro-id="97dee011-e7f1-4c2c-a99c-2b048dcbff38" ac:name="confiform-field-css" ac:schema-version="1">
        <ac:parameter ac:name="condition">phone:phone5</ac:parameter>
        <ac:parameter ac:name="css">background-color:magenta !important;</ac:parameter>
        <ac:parameter ac:name="fieldName">usetime</ac:parameter>
      </ac:structured-macro>
    </p>
  </ac:rich-text-body>
</ac:structured-macro>