diff --git a/vector/src/main/java/im/vector/riotx/core/utils/PermissionsTools.kt b/vector/src/main/java/im/vector/riotx/core/utils/PermissionsTools.kt
index 360a5efccc..6f081d52de 100644
--- a/vector/src/main/java/im/vector/riotx/core/utils/PermissionsTools.kt
+++ b/vector/src/main/java/im/vector/riotx/core/utils/PermissionsTools.kt
@@ -68,6 +68,7 @@ const val PERMISSION_REQUEST_CODE_DOWNLOAD_FILE = 575
 const val PERMISSION_REQUEST_CODE_PICK_ATTACHMENT = 576
 const val PERMISSION_REQUEST_CODE_INCOMING_URI = 577
 const val PERMISSION_REQUEST_CODE_PREVIEW_FRAGMENT = 578
+const val PERMISSION_REQUEST_CODE_READ_CONTACTS = 579
 
 /**
  * Log the used permissions statuses.
diff --git a/vector/src/main/java/im/vector/riotx/features/createdirect/CreateDirectRoomActivity.kt b/vector/src/main/java/im/vector/riotx/features/createdirect/CreateDirectRoomActivity.kt
index 256d9902f6..6acd0e099b 100644
--- a/vector/src/main/java/im/vector/riotx/features/createdirect/CreateDirectRoomActivity.kt
+++ b/vector/src/main/java/im/vector/riotx/features/createdirect/CreateDirectRoomActivity.kt
@@ -38,9 +38,14 @@ import im.vector.riotx.core.extensions.addFragmentToBackstack
 import im.vector.riotx.core.extensions.exhaustive
 import im.vector.riotx.core.platform.SimpleFragmentActivity
 import im.vector.riotx.core.platform.WaitingViewData
+import im.vector.riotx.core.utils.PERMISSIONS_FOR_MEMBERS_SEARCH
+import im.vector.riotx.core.utils.PERMISSION_REQUEST_CODE_READ_CONTACTS
+import im.vector.riotx.core.utils.allGranted
+import im.vector.riotx.core.utils.checkPermissions
+import im.vector.riotx.features.phonebook.PhoneBookFragment
+import im.vector.riotx.features.phonebook.PhoneBookViewModel
 import im.vector.riotx.features.userdirectory.KnownUsersFragment
 import im.vector.riotx.features.userdirectory.KnownUsersFragmentArgs
-import im.vector.riotx.features.phonebook.PhoneBookViewModel
 import im.vector.riotx.features.userdirectory.UserDirectoryFragment
 import im.vector.riotx.features.userdirectory.UserDirectorySharedAction
 import im.vector.riotx.features.userdirectory.UserDirectorySharedActionViewModel
@@ -76,7 +81,7 @@ class CreateDirectRoomActivity : SimpleFragmentActivity() {
                         UserDirectorySharedAction.Close                 -> finish()
                         UserDirectorySharedAction.GoBack                -> onBackPressed()
                         is UserDirectorySharedAction.OnMenuItemSelected -> onMenuItemSelected(sharedAction)
-                        UserDirectorySharedAction.OpenPhoneBook         -> TODO()
+                        UserDirectorySharedAction.OpenPhoneBook         -> openPhoneBook()
                     }.exhaustive
                 }
                 .disposeOnDestroy()
@@ -95,6 +100,24 @@ class CreateDirectRoomActivity : SimpleFragmentActivity() {
         }
     }
 
+    private fun openPhoneBook() {
+        // Check permission first
+        if (checkPermissions(PERMISSIONS_FOR_MEMBERS_SEARCH,
+                        this,
+                        PERMISSION_REQUEST_CODE_READ_CONTACTS,
+                        0)) {
+            addFragmentToBackstack(R.id.container, PhoneBookFragment::class.java)
+        }
+    }
+
+    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
+        if (allGranted(grantResults)) {
+            if (requestCode == PERMISSION_REQUEST_CODE_READ_CONTACTS) {
+                addFragmentToBackstack(R.id.container, PhoneBookFragment::class.java)
+            }
+        }
+    }
+
     private fun onMenuItemSelected(action: UserDirectorySharedAction.OnMenuItemSelected) {
         if (action.itemId == R.id.action_create_direct_room) {
             viewModel.handle(CreateDirectRoomAction.CreateRoomAndInviteSelectedUsers(action.selectedUsers))
diff --git a/vector/src/main/java/im/vector/riotx/features/invite/InviteUsersToRoomActivity.kt b/vector/src/main/java/im/vector/riotx/features/invite/InviteUsersToRoomActivity.kt
index 4d869aacee..29d230ba34 100644
--- a/vector/src/main/java/im/vector/riotx/features/invite/InviteUsersToRoomActivity.kt
+++ b/vector/src/main/java/im/vector/riotx/features/invite/InviteUsersToRoomActivity.kt
@@ -33,11 +33,15 @@ import im.vector.riotx.core.extensions.addFragmentToBackstack
 import im.vector.riotx.core.extensions.exhaustive
 import im.vector.riotx.core.platform.SimpleFragmentActivity
 import im.vector.riotx.core.platform.WaitingViewData
+import im.vector.riotx.core.utils.PERMISSIONS_FOR_MEMBERS_SEARCH
+import im.vector.riotx.core.utils.PERMISSION_REQUEST_CODE_READ_CONTACTS
+import im.vector.riotx.core.utils.allGranted
+import im.vector.riotx.core.utils.checkPermissions
 import im.vector.riotx.core.utils.toast
-import im.vector.riotx.features.userdirectory.KnownUsersFragment
-import im.vector.riotx.features.userdirectory.KnownUsersFragmentArgs
 import im.vector.riotx.features.phonebook.PhoneBookFragment
 import im.vector.riotx.features.phonebook.PhoneBookViewModel
+import im.vector.riotx.features.userdirectory.KnownUsersFragment
+import im.vector.riotx.features.userdirectory.KnownUsersFragmentArgs
 import im.vector.riotx.features.userdirectory.UserDirectoryFragment
 import im.vector.riotx.features.userdirectory.UserDirectorySharedAction
 import im.vector.riotx.features.userdirectory.UserDirectorySharedActionViewModel
@@ -78,8 +82,7 @@ class InviteUsersToRoomActivity : SimpleFragmentActivity() {
                         UserDirectorySharedAction.Close                 -> finish()
                         UserDirectorySharedAction.GoBack                -> onBackPressed()
                         is UserDirectorySharedAction.OnMenuItemSelected -> onMenuItemSelected(sharedAction)
-                        UserDirectorySharedAction.OpenPhoneBook         ->
-                            addFragmentToBackstack(R.id.container, PhoneBookFragment::class.java)
+                        UserDirectorySharedAction.OpenPhoneBook         -> openPhoneBook()
                     }.exhaustive
                 }
                 .disposeOnDestroy()
@@ -98,6 +101,24 @@ class InviteUsersToRoomActivity : SimpleFragmentActivity() {
         viewModel.observeViewEvents { renderInviteEvents(it) }
     }
 
+    private fun openPhoneBook() {
+        // Check permission first
+        if (checkPermissions(PERMISSIONS_FOR_MEMBERS_SEARCH,
+                        this,
+                        PERMISSION_REQUEST_CODE_READ_CONTACTS,
+                        0)) {
+            addFragmentToBackstack(R.id.container, PhoneBookFragment::class.java)
+        }
+    }
+
+    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
+        if (allGranted(grantResults)) {
+            if (requestCode == PERMISSION_REQUEST_CODE_READ_CONTACTS) {
+                addFragmentToBackstack(R.id.container, PhoneBookFragment::class.java)
+            }
+        }
+    }
+
     private fun onMenuItemSelected(action: UserDirectorySharedAction.OnMenuItemSelected) {
         if (action.itemId == R.id.action_invite_users_to_room_invite) {
             viewModel.handle(InviteUsersToRoomAction.InviteSelectedUsers(action.selectedUsers))