Tab bar disappear when I push a page from tabs.ts

I created a fab button on tabs.html to navigate to another page but tabs bottom bar disappear
here is my code

import { Component } from '@angular/core';
import { IonicPage, NavController, NavParams } from 'ionic-angular';

import { EarningsPage } from '../earnings/earnings';
import { ArenaPage } from '../arena/arena';
import { LeadsPage } from '../leads/leads';
import { ProductsPage } from '../products/products';
import { VoicemailPage } from '../voicemail/voicemail';

@Component({
  templateUrl: 'tabs.html'
})
export class TabsPage {

  tab1Root = ArenaPage;
  tab2Root = LeadsPage;
  tab3Root = ProductsPage;
  tab4Root = EarningsPage;

  constructor(public navCtrl: NavController) {

  }

  goToVoicemails(){
    this.navCtrl.push(VoicemailPage, {}, {animate: false});
  }

}

Please show your html file.

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<!--
  Generated template for the VoicemailPage page.

  See http://ionicframework.com/docs/components/#navigation for more info on
  Ionic pages and navigation.
-->
<ion-header>
  <ion-navbar>
    <ion-title>voicemail</ion-title>
  </ion-navbar>
</ion-header>

<ion-content padding>
  <ion-card>
    <ion-card-content>
      <ion-card-title>
        <ion-avatar item-start class="avatar">
          <img src="assets/imgs/circle-grey.png"/>
        </ion-avatar>
        <div class="card-text-info">
          <span class="customer-name">
            CUSTOMER NAME
          </span>
          <span class="voicemail-date">
            DATE
          </span>
          <p class="group_name">
            PRODUCT NAME
            <span end class="voicemail-time">
              5 SECS
            </span>
          </p>
        </div>
      </ion-card-title>
      
      <audio id="5ebb08524c29262dab405192" controls controlsList="nodownload"><source src="https://api.twilio.com/2010-04-01/Accounts/AC58ca4114dc0f4af3a650d5fb8faa780d/Recordings/REb2fb6bedabe748f7da22b3e04965bdde" type="audio/x-wav"></audio>
      <div class="auido-controls">
        <ion-icon id="testplay" name="play" (click)="playAudio($event, '5ebb08524c29262dab405192')"></ion-icon>
        <ion-icon name="pause" class="display-none" (click)="pauseAudio($event, '5ebb08524c29262dab405192')"></ion-icon>
        <ion-icon name="call"></ion-icon>
        <ion-icon name="paper"></ion-icon>
      </div>
    </ion-card-content>
    
  </ion-card>
  
</ion-content>