odoo-mobile-v3/src/pages/phonecall/phonecall.html

<ion-header>
    <ion-navbar>
        <ion-title>{{ title }}</ion-title>
        <ion-buttons end>
            <!--<button ion-button type="submit" form="details-form" [visible]="productForm.invalid">-->
            <button ion-button type="submit" form="details-form">
                GUARDAR
            </button>
        </ion-buttons>
    </ion-navbar>
</ion-header>
<ion-content padding>

</ion-content>