Ran app in android studio in order to verify that it worked

android/app/src/main/res/xml/config2.xml

+<?xml version='1.0' encoding='utf-8'?>
+<widget version="1.0.0" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
+  <access origin="*" />
+  
+  <feature name="CallNumber">
+    <param name="android-package" value="mx.ferreyra.callnumber.CFCallNumber"/>
+  </feature>
+
+  
+</widget>

ios/App/App/config 2.xml

+<?xml version='1.0' encoding='utf-8'?>
+<widget version="1.0.0" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
+  <access origin="*" />
+  
+  <feature name="CallNumber">
+    <param name="ios-package" value="CFCallNumber"/>
+  </feature>
+
+  
+</widget>

ios/App/App/config 3.xml

+<?xml version='1.0' encoding='utf-8'?>
+<widget version="1.0.0" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
+  <access origin="*" />
+  
+  <feature name="CallNumber">
+    <param name="ios-package" value="CFCallNumber"/>
+  </feature>
+
+  
+</widget>

ios/App/Podfile

   pod 'CapacitorHaptics', :path => '../../node_modules/@capacitor/haptics'
   pod 'CapacitorKeyboard', :path => '../../node_modules/@capacitor/keyboard'
   pod 'CapacitorStatusBar', :path => '../../node_modules/@capacitor/status-bar'
+  pod 'CordovaPlugins', :path => '../capacitor-cordova-ios-plugins'
 end
 
 target 'App' do

ios/App/Podfile 2.lock

+PODS:
+  - Capacitor (4.4.0):
+    - CapacitorCordova
+  - CapacitorApp (4.1.0):
+    - Capacitor
+  - CapacitorCordova (4.4.0)
+  - CapacitorHaptics (4.0.1):
+    - Capacitor
+  - CapacitorKeyboard (4.0.1):
+    - Capacitor
+  - CapacitorStatusBar (4.0.1):
+    - Capacitor
+  - CordovaPlugins (4.4.0):
+    - CapacitorCordova
+
+DEPENDENCIES:
+  - "Capacitor (from `../../node_modules/@capacitor/ios`)"
+  - "CapacitorApp (from `../../node_modules/@capacitor/app`)"
+  - "CapacitorCordova (from `../../node_modules/@capacitor/ios`)"
+  - "CapacitorHaptics (from `../../node_modules/@capacitor/haptics`)"
+  - "CapacitorKeyboard (from `../../node_modules/@capacitor/keyboard`)"
+  - "CapacitorStatusBar (from `../../node_modules/@capacitor/status-bar`)"
+  - CordovaPlugins (from `../capacitor-cordova-ios-plugins`)
+
+EXTERNAL SOURCES:
+  Capacitor:
+    :path: "../../node_modules/@capacitor/ios"
+  CapacitorApp:
+    :path: "../../node_modules/@capacitor/app"
+  CapacitorCordova:
+    :path: "../../node_modules/@capacitor/ios"
+  CapacitorHaptics:
+    :path: "../../node_modules/@capacitor/haptics"
+  CapacitorKeyboard:
+    :path: "../../node_modules/@capacitor/keyboard"
+  CapacitorStatusBar:
+    :path: "../../node_modules/@capacitor/status-bar"
+  CordovaPlugins:
+    :path: "../capacitor-cordova-ios-plugins"
+
+SPEC CHECKSUMS:
+  Capacitor: 868367fcfeb3ba6bfabaefc63c072e6478bd046d
+  CapacitorApp: 6e250f9e67560a340aac4078af357fb5e5c303e0
+  CapacitorCordova: 0c0b4edc7ce94fd560eadc3a6d36d5ee6453ada6
+  CapacitorHaptics: 02d48e2efca06ccf3273dbb638b68b0e145f623a
+  CapacitorKeyboard: 3b49a9d517641c123fb691713f99a89d6ebf3a37
+  CapacitorStatusBar: e6cf2a9ed07f92ddae9ca101be36d08c61866b35
+  CordovaPlugins: c646c530b24da2d898e32369a739e7b88904b548
+
+PODFILE CHECKSUM: 0381d09167db361ed446a10f049fd27bab1b40b1
+
+COCOAPODS: 1.11.3

ios/App/Podfile 3.lock

+PODS:
+  - Capacitor (4.4.0):
+    - CapacitorCordova
+  - CapacitorApp (4.1.0):
+    - Capacitor
+  - CapacitorCordova (4.4.0)
+  - CapacitorHaptics (4.0.1):
+    - Capacitor
+  - CapacitorKeyboard (4.0.1):
+    - Capacitor
+  - CapacitorStatusBar (4.0.1):
+    - Capacitor
+  - CordovaPlugins (4.4.0):
+    - CapacitorCordova
+
+DEPENDENCIES:
+  - "Capacitor (from `../../node_modules/@capacitor/ios`)"
+  - "CapacitorApp (from `../../node_modules/@capacitor/app`)"
+  - "CapacitorCordova (from `../../node_modules/@capacitor/ios`)"
+  - "CapacitorHaptics (from `../../node_modules/@capacitor/haptics`)"
+  - "CapacitorKeyboard (from `../../node_modules/@capacitor/keyboard`)"
+  - "CapacitorStatusBar (from `../../node_modules/@capacitor/status-bar`)"
+  - CordovaPlugins (from `../capacitor-cordova-ios-plugins`)
+
+EXTERNAL SOURCES:
+  Capacitor:
+    :path: "../../node_modules/@capacitor/ios"
+  CapacitorApp:
+    :path: "../../node_modules/@capacitor/app"
+  CapacitorCordova:
+    :path: "../../node_modules/@capacitor/ios"
+  CapacitorHaptics:
+    :path: "../../node_modules/@capacitor/haptics"
+  CapacitorKeyboard:
+    :path: "../../node_modules/@capacitor/keyboard"
+  CapacitorStatusBar:
+    :path: "../../node_modules/@capacitor/status-bar"
+  CordovaPlugins:
+    :path: "../capacitor-cordova-ios-plugins"
+
+SPEC CHECKSUMS:
+  Capacitor: 868367fcfeb3ba6bfabaefc63c072e6478bd046d
+  CapacitorApp: 6e250f9e67560a340aac4078af357fb5e5c303e0
+  CapacitorCordova: 0c0b4edc7ce94fd560eadc3a6d36d5ee6453ada6
+  CapacitorHaptics: 02d48e2efca06ccf3273dbb638b68b0e145f623a
+  CapacitorKeyboard: 3b49a9d517641c123fb691713f99a89d6ebf3a37
+  CapacitorStatusBar: e6cf2a9ed07f92ddae9ca101be36d08c61866b35
+  CordovaPlugins: c646c530b24da2d898e32369a739e7b88904b548
+
+PODFILE CHECKSUM: 0381d09167db361ed446a10f049fd27bab1b40b1
+
+COCOAPODS: 1.11.3

ios/App/Podfile 4.lock

+PODS:
+  - Capacitor (4.4.0):
+    - CapacitorCordova
+  - CapacitorApp (4.1.0):
+    - Capacitor
+  - CapacitorCordova (4.4.0)
+  - CapacitorHaptics (4.0.1):
+    - Capacitor
+  - CapacitorKeyboard (4.0.1):
+    - Capacitor
+  - CapacitorStatusBar (4.0.1):
+    - Capacitor
+  - CordovaPlugins (4.4.0):
+    - CapacitorCordova
+
+DEPENDENCIES:
+  - "Capacitor (from `../../node_modules/@capacitor/ios`)"
+  - "CapacitorApp (from `../../node_modules/@capacitor/app`)"
+  - "CapacitorCordova (from `../../node_modules/@capacitor/ios`)"
+  - "CapacitorHaptics (from `../../node_modules/@capacitor/haptics`)"
+  - "CapacitorKeyboard (from `../../node_modules/@capacitor/keyboard`)"
+  - "CapacitorStatusBar (from `../../node_modules/@capacitor/status-bar`)"
+  - CordovaPlugins (from `../capacitor-cordova-ios-plugins`)
+
+EXTERNAL SOURCES:
+  Capacitor:
+    :path: "../../node_modules/@capacitor/ios"
+  CapacitorApp:
+    :path: "../../node_modules/@capacitor/app"
+  CapacitorCordova:
+    :path: "../../node_modules/@capacitor/ios"
+  CapacitorHaptics:
+    :path: "../../node_modules/@capacitor/haptics"
+  CapacitorKeyboard:
+    :path: "../../node_modules/@capacitor/keyboard"
+  CapacitorStatusBar:
+    :path: "../../node_modules/@capacitor/status-bar"
+  CordovaPlugins:
+    :path: "../capacitor-cordova-ios-plugins"
+
+SPEC CHECKSUMS:
+  Capacitor: 868367fcfeb3ba6bfabaefc63c072e6478bd046d
+  CapacitorApp: 6e250f9e67560a340aac4078af357fb5e5c303e0
+  CapacitorCordova: 0c0b4edc7ce94fd560eadc3a6d36d5ee6453ada6
+  CapacitorHaptics: 02d48e2efca06ccf3273dbb638b68b0e145f623a
+  CapacitorKeyboard: 3b49a9d517641c123fb691713f99a89d6ebf3a37
+  CapacitorStatusBar: e6cf2a9ed07f92ddae9ca101be36d08c61866b35
+  CordovaPlugins: c646c530b24da2d898e32369a739e7b88904b548
+
+PODFILE CHECKSUM: 0381d09167db361ed446a10f049fd27bab1b40b1
+
+COCOAPODS: 1.11.3

package-lock.json

       "name": "renacer",
       "version": "0.0.1",
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+        "@awesome-cordova-plugins/core": "^6.2.0",
+        "@awesome-cordova-plugins/email-composer": "^6.2.0",
         "@capacitor/android": "4.4.0",
         "@capacitor/app": "^4.1.0",
         "@capacitor/core": "4.4.0",
         "@capacitor/ios": "4.4.0",
         "@capacitor/keyboard": "^4.0.1",
         "@capacitor/status-bar": "^4.0.1",
+        "@ionic-native/call-number": "^5.36.0",
         "@ionic/react": "^6.0.0",
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         "@types/react-router": "^5.1.11",
         "@types/react-router-dom": "^5.1.7",
+        "call-number": "^1.0.1",
+        "cordova-plugin-email-composer": "^0.10.1",
         "history": "^4.9.0",
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       }
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+          }
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package.json

   "version": "0.0.1",
   "private": true,
   "dependencies": {
+    "@awesome-cordova-plugins/call-number": "^6.2.0",
+    "@awesome-cordova-plugins/core": "^6.2.0",
+    "@awesome-cordova-plugins/email-composer": "^6.2.0",
     "@capacitor/android": "4.4.0",
     "@capacitor/app": "^4.1.0",
     "@capacitor/core": "4.4.0",
     "@capacitor/ios": "4.4.0",
     "@capacitor/keyboard": "^4.0.1",
     "@capacitor/status-bar": "^4.0.1",
+    "@ionic-native/call-number": "^5.36.0",
     "@ionic/react": "^6.0.0",
     "@ionic/react-router": "^6.0.0",
     "@testing-library/jest-dom": "^5.11.9",
     "@types/react-dom": "^18.0.6",
     "@types/react-router": "^5.1.11",
     "@types/react-router-dom": "^5.1.7",
+    "call-number": "^1.0.1",
     "history": "^4.9.0",
     "ionicons": "^6.0.3",
     "lodash": "^4.17.21",

src/components/ButtonComponent.tsx

+import { IonButton, IonContent, IonIcon, IonItem, IonText } from "@ionic/react";
+import { CallNumber } from "@awesome-cordova-plugins/call-number";
+import {
+ call,
+ mailOpen
+  } from "ionicons/icons";
+
+const ButtonComponent: React.FC<{
+  body: string;
+}> = (props) => {
+  const body = props.body;
+  return (
+    <IonText>
+      <IonButton expand="block" 
+        onClick={() => {
+          CallNumber.callNumber("7876247846", true);
+          alert("testing is this works");
+        }}
+      >
+         <IonIcon slot="start" icon={call}> </IonIcon>
+        Llamada
+      </IonButton>
+      <a href={"mailto:eliamruiz2027@gmail.com?cc=eliam.ruiz@upr.edu,&subject=Testing Ionic button&body=" + body + ""}>
+        <IonButton expand="block">
+        <IonIcon slot="start" icon={mailOpen}> </IonIcon> Correo Electrónico</IonButton>
+      </a>
+    </IonText>
+  );
+};
+export default ButtonComponent;

src/pages/AboutListPage.tsx

   IonTitle,
   IonToolbar,
 } from "@ionic/react";
+import ButtonComponent from "../components/ButtonComponent"
 
 const AboutListPage: React.FC = () => {
+  let body= "Es de mi interés ponerme en contacto con ustedes para poder coordinar el uso de uno de sus servicios. También me gustaría saber donde están actualmente ubicados."
   return (
     <IonPage>
       <IonHeader>
               <p className="ListItemText">Visitas Supervisadas</p>
             </IonItem>
           </IonList>
+          <ButtonComponent body={body}></ButtonComponent>
         </IonContent>
       </IonContent>
     </IonPage>