Address Book
Posted by David Brooks on 15 July 2015 06:41 PM

Enhanced Address Book   

YunGO is contact oriented. This means you do not have to add other users, instead the application will recognize them in your existing contacts. Since the users register with phone numbers it is possible to find and mark appropriately those numbers in your phone address book. Each time you start the application, it synchronizes your address book with the server and marks new contacts.

In your contact list YunGO contacts are distinguished from other contacts and are presented with additional functions.

 Contacts list

YunGO user contacts have a YunGO icon on the right side of the row. In addition they have the Presence icon displayed on their avatars. Below the name of a contact its status description is displayed.

The avatars shown on the list are other users profile pictures and are downloaded from the RCS platform. If a user does not have a profile picture the local picture from phone address book will be shown.

Below the list, in the bottom bar are filters:

  • YunGO contacts only
  • Favorites
  • All contacts

The purpose of the YunGO icon is to provide shortcuts to YunGO main features. When you click on it three icons will appear representing video call, audio call and chat.

When you click anywhere else on a contact’s row the Contact details view will appear.

 Contact details view

Contact view is an enhanced version of the contact page. Its content will differ depending on whether the contact is YunGO or non YunGO.

The view can contain only one contact’s item i.e. a phone number or YunGO ID. If there are more items for one contact the view will be composed from multiple screens, each for one item.

Small dot icons in the upper part of the screen indicate that there are multiple screens. To navigate between them swipe the screen.

 Non YunGO contact

The view will contain data stored locally on the phone which include local avatar, phone numbers and email address. Next to the avatar is the “Invite to service” button. If you want to invite someone to join the service and thus be able to converse with you for free, tap on the button. It will open the native SMS composer with preset text with link to download the application. The SMS is sent over your regular mobile operator.


Below the phone numbers there are two pair of buttons:

  • Check call and Make call buttons
  • Check SMS rate and send SMS buttons

After taping on the button the application retrieves the rate for the destination.

Both calls and SMS sent from this view will go through the service and then will be terminated on the destination PSTN network (YunGO Out).

 YunGO contact

The upper part of the view shows the profile picture of the user associated with the contact item (phone number or YunGO ID). If a user has not uploaded his picture the application will show the native avatar from the local phone book.

The small icon on the avatar shows the user Presence status which can be:

  • Full green circle – online
  • Half circle – on PUSH notification
  • Gray – offline

Next to the avatar the status text is shown.

The lower part of the screen presents the item (e.g. phone number) and the buttons which initiate one of the YunGO free communication types:

  • Voice call
  • Video call
  • Chat

If for some reason you prefer to use paid service and call or SMS the user’s phone number through PSTN network (YunGO Offnet) there are two pairs of buttons for paid actions (same as for non YunGO contact described above).

 Notification about newly joined contact

When a new user signs up to the service with his phone number YunGO checks if the number exists in other user’s phone books (securely stored on the server). All those users are immediately notified that one of their contacts is now YunGO user.

The notification comes as a chat sent by the newly joined user and as such it can also arrive using PUSH if the destination is not online at the moment.


To mark a contact as favorite you need to click on the favorite icon - a star placed on the bottom bar in the Contact details view. If you want to remove the contact from favorite click on the icon again.

The list of the favorite contacts can be filtered in the Contacts view.

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