diff --git a/res/values-es/strings.xml b/res/values-es/strings.xml
index c4330d5d9..ffe064427 100644
--- a/res/values-es/strings.xml
+++ b/res/values-es/strings.xml
@@ -13,6 +13,7 @@
     <string name="action_add_account">Añadir cuenta</string>
     <string name="action_edit_contact">Editar contacto</string>
     <string name="action_delete_contact">Eliminar contacto de la lista</string>
+    <string name="action_add_phone_book">Añadir a contactos del teléfono</string>
     <string name="title_activity_contacts">Contactos</string>
     <string name="just_now">ahora</string>
     <string name="minutes_ago">min</string>
@@ -26,7 +27,7 @@
     <string name="participant">Participante</string>
     <string name="visitor">Visitante</string>
     <string name="enter_new_name">Introduce un nuevo nombre:</string>
-    <string name="remove_contact_text">¿Quieres eliminar a %s de tu lista?. La conversación asociada a esta cuenta no se eliminará.</string>
+    <string name="remove_contact_text">¿Quieres eliminar a %s de tu lista? La conversación asociada a esta cuenta no se eliminará.</string>
     <string name="untrusted_cert_hint">El servidor %s presenta un certificado no confiable, posiblemente auto firmado.</string>
     <string name="account_info">Información del servidor</string>
     <string name="register_account">Registrar nueva cuenta en servidor</string>
@@ -39,6 +40,9 @@
     <string name="invite_contacts_to_existing">Invitar a conferencia existente</string>
     <string name="new_conference">Crear nueva conferencia</string>
     <string name="cancel">Cancelar</string>
+    <string name="add">Añadir</string>
+    <string name="edit">Editar</string>
+    <string name="delete">Eliminar</string>
     <string name="create_invite">Crear \u0026 Invitar</string>
     <string name="new_conference_explained">¿Quieres crear una nueva conferencia con una dirección generada aleatoriamente e invitar a los contactos seleccionados a ella?</string>
     <string name="no_open_mucs">No hay conferencias existentes</string>
@@ -128,11 +132,13 @@
     <string name="pref_grant_presence_updates">Suscripción de presencia</string>
     <string name="pref_grant_presence_updates_summary">Por defecto otorgar y pedir suscripciones de presencia de los contactos que has creado</string>
     <string name="subscriptions">Suscripciones</string>
+    <string name="subscription_updated">Suscripción actualizada</string>
     <string name="your_account">Tu cuenta</string>
     <string name="keys">Claves</string>
     <string name="send_presence_updates">Enviar actualizaciones de presencia</string>
     <string name="receive_presence_updates">Recibir actualizaciones de presencia</string>
     <string name="ask_for_presence_updates">Solicitar actualizaciones de presencia</string>
+    <string name="asked_for_presence_updates">Solictida actualizaciones de presencia</string>
     <string name="attach_choose_picture">Seleccionar imagen</string>
     <string name="attach_take_picture">Hacer foto</string>
     <string name="preemptively_grant">Por defecto otorgar peticiones de suscripción</string>
@@ -170,4 +176,12 @@
     <string name="save">Guardar</string>
     <string name="passwords_do_not_match">Las contraseñas no coinciden</string>
     <string name="invalid_jid">El identificador no es un identificador de Jabber válido</string>
+    <string name="error_out_of_memory">Sin memoria. La imagen es demasiado grande</string>
+    <string name="add_phone_book_text">¿Te gustaría añadir a %s a tus contactos del teléfono?</string>
+    <string name="contact_status_online">Disponible</string>
+    <string name="contact_status_free_to_chat">Hablador</string>
+    <string name="contact_status_away">Ausente</string>
+    <string name="contact_status_extended_away">Ausencia ext.</string>
+    <string name="contact_status_do_not_disturb">No molestar</string>
+    <string name="contact_status_offline">Desconectado</string>
 </resources>
\ No newline at end of file
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 9de0b233d..b2c974786 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -12,6 +12,7 @@
     <string name="action_secure">Secure conversation</string>
     <string name="action_add_account">Add account</string>
     <string name="action_edit_contact">Edit name</string>
+    <string name="action_add_phone_book">Add to phone book</string>
     <string name="action_delete_contact">Delete from roster</string>
     <string name="title_activity_contacts">Contacts</string>
     <string name="just_now">just now</string>
@@ -39,6 +40,9 @@
     <string name="invite_contacts_to_existing">Invite to existing conference</string>
     <string name="new_conference">Create new conference</string>
     <string name="cancel">Cancel</string>
+    <string name="add">Add</string>
+    <string name="edit">Edit</string>
+    <string name="delete">Delete</string>
     <string name="create_invite">Create \u0026 Invite</string>
     <string name="new_conference_explained">Do you want to create a new conference with a randomly generated address and invite the selected contacts to it?</string>
     <string name="no_open_mucs">No existing conferences</string>
@@ -128,11 +132,13 @@
     <string name="pref_grant_presence_updates">Grant presence updates</string>
     <string name="pref_grant_presence_updates_summary">Preemptively grant and ask for presence subscription for contacts you created</string>
     <string name="subscriptions">Subscriptions</string>
+    <string name="subscription_updated">Subscription updated</string>
     <string name="your_account">Your account</string>
     <string name="keys">Keys</string>
     <string name="send_presence_updates">Send presence updates</string>
     <string name="receive_presence_updates">Receive presence updates</string>
     <string name="ask_for_presence_updates">Ask for presence updates</string>
+    <string name="asked_for_presence_updates">Asked for presence updates</string>
     <string name="attach_choose_picture">Choose picture</string>
     <string name="attach_take_picture">Take picture</string>
     <string name="preemptively_grant">Preemptively grant subscription request</string>
@@ -171,4 +177,11 @@
     <string name="passwords_do_not_match">Passwords do not match</string>
     <string name="invalid_jid">This is not a valid Jabber ID</string>
 	<string name="error_out_of_memory">Ouf of memory. Image is to large</string>
+    <string name="add_phone_book_text">Do you want to add %s to your phones contact list?</string>
+    <string name="contact_status_online">online</string>
+    <string name="contact_status_free_to_chat">free to chat</string>
+    <string name="contact_status_away">away</string>
+    <string name="contact_status_extended_away">extended away</string>
+    <string name="contact_status_do_not_disturb">do not disturb</string>
+    <string name="contact_status_offline">offline</string>
 </resources>
\ No newline at end of file
diff --git a/src/eu/siacs/conversations/ui/ContactDetailsActivity.java b/src/eu/siacs/conversations/ui/ContactDetailsActivity.java
index 72a0909a8..83ae99d91 100644
--- a/src/eu/siacs/conversations/ui/ContactDetailsActivity.java
+++ b/src/eu/siacs/conversations/ui/ContactDetailsActivity.java
@@ -89,11 +89,10 @@ public class ContactDetailsActivity extends XmppActivity {
 		@Override
 		public void onClick(View v) {
 			AlertDialog.Builder builder = new AlertDialog.Builder(activity);
-			builder.setTitle("Add to phone book");
-			builder.setMessage("Do you want to add " + contact.getJid()
-					+ " to your phones contact list?");
-			builder.setNegativeButton("Cancel", null);
-			builder.setPositiveButton("Add", addToPhonebook);
+			builder.setTitle(getString(R.string.action_add_phone_book));
+			builder.setMessage(getString(R.string.add_phone_book_text, contact.getJid()));
+			builder.setNegativeButton(getString(R.string.cancel), null);
+			builder.setPositiveButton(getString(R.string.add), addToPhonebook);
 			builder.create().show();
 		}
 	};
@@ -125,17 +124,17 @@ public class ContactDetailsActivity extends XmppActivity {
 	@Override
 	public boolean onOptionsItemSelected(MenuItem menuItem) {
 		AlertDialog.Builder builder = new AlertDialog.Builder(this);
-		builder.setNegativeButton("Cancel", null);
+		builder.setNegativeButton(getString(R.string.cancel), null);
 		switch (menuItem.getItemId()) {
 		case android.R.id.home:
 			finish();
 			break;
 		case R.id.action_delete_contact:
-			builder.setTitle("Delete from roster")
+			builder.setTitle(getString(R.string.action_delete_contact))
 					.setMessage(
 							getString(R.string.remove_contact_text,
 									contact.getJid()))
-					.setPositiveButton("Delete", removeFromRoster).create()
+					.setPositiveButton(getString(R.string.delete), removeFromRoster).create()
 					.show();
 			break;
 		case R.id.action_edit_contact:
@@ -146,7 +145,7 @@ public class ContactDetailsActivity extends XmppActivity {
 				name = (EditText) view.findViewById(R.id.editText1);
 				name.setText(contact.getDisplayName());
 				builder.setView(view).setTitle(contact.getJid())
-						.setPositiveButton("Edit", editContactNameListener)
+						.setPositiveButton(getString(R.string.edit), editContactNameListener)
 						.create().show();
 
 			} else {
@@ -191,7 +190,8 @@ public class ContactDetailsActivity extends XmppActivity {
 				
 				@Override
 				public void onClick(View v) {
-					Toast.makeText(getApplicationContext(), "Asked for presence updates",Toast.LENGTH_SHORT).show();
+					Toast.makeText(getApplicationContext(), getString(R.string.asked_for_presence_updates),
+                            Toast.LENGTH_SHORT).show();
 					xmppConnectionService.requestPresenceUpdatesFrom(contact);
 					
 				}
@@ -205,31 +205,31 @@ public class ContactDetailsActivity extends XmppActivity {
 
 		switch (contact.getMostAvailableStatus()) {
 		case Presences.CHAT:
-			status.setText("free to chat");
+			status.setText(R.string.contact_status_free_to_chat);
 			status.setTextColor(0xFF83b600);
 			break;
 		case Presences.ONLINE:
-			status.setText("online");
+			status.setText(R.string.contact_status_online);
 			status.setTextColor(0xFF83b600);
 			break;
 		case Presences.AWAY:
-			status.setText("away");
+			status.setText(R.string.contact_status_away);
 			status.setTextColor(0xFFffa713);
 			break;
 		case Presences.XA:
-			status.setText("extended away");
+			status.setText(R.string.contact_status_extended_away);
 			status.setTextColor(0xFFffa713);
 			break;
 		case Presences.DND:
-			status.setText("do not disturb");
+			status.setText(R.string.contact_status_do_not_disturb);
 			status.setTextColor(0xFFe92727);
 			break;
 		case Presences.OFFLINE:
-			status.setText("offline");
+			status.setText(R.string.contact_status_offline);
 			status.setTextColor(0xFFe92727);
 			break;
 		default:
-			status.setText("offline");
+			status.setText(R.string.contact_status_offline);
 			status.setTextColor(0xFFe92727);
 			break;
 		}
@@ -346,7 +346,7 @@ public class ContactDetailsActivity extends XmppActivity {
 			}
 		}
 		if (updated) {
-			Toast.makeText(getApplicationContext(), "Subscription updated", Toast.LENGTH_SHORT).show();
+			Toast.makeText(getApplicationContext(), getString(R.string.subscription_updated), Toast.LENGTH_SHORT).show();
 		}
 	}