zuel-itsm-3.0.2/assets/views/customform/tpl/inputcall.html

<div class="input-group  col-xs-12">
    <input class="form-control" ng-model="model[options.key]" disabled="disabled" />
    <span class="input-group-btn">
        <button class="btn btn-default" tooltip="拨打" tooltip-placement="top"
            ng-click="dialout(model[options.key])"
            type="button"><i class="fa fa-phone greenfont"></i>
        </button>
    </span>
</div>
<style>
    .input-group-btn{
        height: 28px!important;
    }
    .input-group-btn:last-child>.btn{
        height: 28px;
    }
</style>