In order to use the app proceed as follows:

- Open app.deutsche-telefon.de in your Browser.

- Enter your username (this is your e-mail address) and password.

- Click on login.

Once you are logged in, you will see the start screen of the app.

If you forgot your password:

1. Under the sign-in dialogue, click Forgot password.
    ⇒ A new dialogue will open.

2. Enter your email address.

3. Click Send email.
    ⇒ You will receive an email with further instructions shortly.

4. Click on the reset password link in the email.
    ⇒ A new page for setting up a new password will open.

5. Enter a new password according to the password requirements listed.

6. Re-enter the new password.

7. Click Set new password.
    ⇒ Your password has been updated and you can log in again.

The app is divided into 5 major sections:

1. App menu in the top left corner
2. Search bar on the top
3. Telephone menu on the left side
4. Favourite list (your BLF keys)*
5. Telephone / Dial field

Now more on each section:

Here you will find the following features:

• log in and log off from the app
• select the device you would like to call with
• add devices you would like to call with (C2D target)
• switch between your devices

You can make calls via the app, via your extension i.e. the device connected to your extension (e.g. desktop telephone) or another target e.g. your mobile phone. This feature is called Click to Dial (C2D). You select the target via which you want to make calls and all your calls will be made via this target.

When the app menu is closed, you can see your name and the device you are calling with in left top corner.

- If you would like to add a new external number you would like to call with, click on your name in the upper left corner.

You will be taken to the App menu.

- Click on the + sign in the "Call with" section.

An input field opens up. Here you can now enter your new external number, e.g. a hotel room telephone from the hotel room you are currently staying in.

- Enter a name and telephone number for the external number.

- Click on Save.

The City Hotel number appears now in the list of devices you can make calls with.

- To make a call via the hotel room number, click on the City Hotel entry.

The hotel room telephone is now selected as your device to make calls.

Click on the entry.

1. Click on the Bin icon. 
   ⇒A dialogue appears.
2. Click on Delete to delete the entry, or Cancel to keep it.

Search the pbx and your private phone book. Search results are clustered.

Next to the search bar you will find some shortcuts of the following features of the app:

In this section, you can:

• Video Camera
  • Select a camera.
  • Enable or disable the Mirror me function.
  • Enable or disable blurred background.
• Audio input
  • Select audio input.
  • See the volume level of your audio.
• Audio output
  • Select audio output.
  • Test your speaker settings.
  • Change the volume of the speaker.
• Ringtone output
  • Select ringtone output.
  • Test your ringtone settings.
  • Change the volume of the ringtone.

In this section, you can

• Make calls (for more information on how to make calls, see Making calls)
• See the favourites list
• Click on Edit favourites list to go to Settings and access Function keys here
• Use the dial field to enter a phone number or a PIN

Here you will find received, made and missed calls as well as voicemails.

• Double click on entry to see more details or to delete the entry.
• Listen to your received voicemails directly in the history tab (visual voicemail).

In the Voicemails tab, you can:

• See who left a message and when

Click on the information icon to:

• Delete a message
• Listen to a message
• Download a message
• Forward a message
• Copy the number of the caller to clipboard

Initiate calls.
Find more information on how to make calls in the chapter Telephone - how to make calls.

Here you will find all your contacts in alphabetic order.

-In order to call a telephone number from the list, click on the entry and click then on the number.

For more options, make a right-click on the number.

You can filter your contacts into global and private contacts. You can edit entries and add new ones.

- To do this, click on the corresponding feature icon that appear in the search bar as soon as you switch to the Contacts area.

Here you will find all app parameters, e.g. the following features:

• User settings
• Call forwarding
• Queues
• Function keys
• Fax
• Download
• Info

The favourite list is a list of function keys e.g. speed dials or busy lamp fields set on your extension.

For example, you can save telephone numbers that you call most frequently to your favourite list.

- Click on Edit favourite list.

- Then click on the plus button and enter the telephone number and the name.

- Save the entry.

The entry now appears in the favourite list.

In case there are already function keys set for your extension (e.g.to your desktop phone), they will appear here in your favourite list.

• Dial here the telephone number you wish to call
• Use the DTMF field to enter the telephone number you wish to call or to enter conference room PINs

There are several possibilities to initiate a call:

• double click on the number you want to call or
• drag & drop the number to the area on the right or
• use the dial pad to enter the telephone number or search the directory via the search field

In case of an incoming call, a pop up with caller's information as phone number or extension and name will appear.

- Accept or decline the call.

You can put a call on hold by clicking on the hold button .

• In case of a second incoming call, a pop up with caller's information will appear. A second indication will appear in the telephone field.

- Take the second call and put the first call on hold automatically.

Or you can deflect the call to your voicemail.

You can also put both calls on hold at the same time.

Call swap is a change between two active calls.

- Click on the telephone number and swap the calls.

You will see the active call in the green bar on the very top of the app and in the telephone field, tagged as "In call".

While you have an active call and one call on hold, you can add both calls to a three-way conference.

1. Drag the call on hold per drag&drop towards the active call.
   ⇒When you start to drag the call on hold, the icon for the three-way conference appears.
2. Drop the call on the Conference icon.
   ⇒ The three-way conference will start.

2. When you start to drag the call on hold, the icon for the three-way conference appears. Drop the call on hold on this icon, and the three-way conference will start.

Interactive Blind Transfer

When you are in a call with someone and want to transfer the call to another person without asking the latter if the transfer is possible:

1. Select a name from your favorites list/phone book or type in the search field.

2. Drag and drop the selected name to .

The transfer has been successful if the snack bar displays the following:

Interactive Attended Transfer

When you are in a call with someone and you want to transfer the call to another person and you talk to this person first and he/she decides whether to accepct the call or not:

1. Select a name from your favourites list/phone book or type it in a search field.

2. Put the first call on hold.

3. Call the second person while the first call is on hold.

4. Transfer the first call to the second call by dragging and dropping the second call to .

Non-Interactive Blind Transfer

When someone is calling you and you do not want to take the call but to to transfer the call to another person without asking this person if the transfer is possible:

1. Click anywhere outside the blue square (incoming call):

You can see who originally called if a call has been transferred to you.

The original caller appears in the pop-up window. The orange line in the pop-up shows you the person who has transferred the call.

After you have clicked somewhere outside the incoming call box, the incoming call from caller 1 is still active and shown in the top right corner:

2. Select a name from your favorites list/phone book or type in a search field.

3. Move the selected name by dragging and dropping to .

The transfer has been successful if the snack bar displays the following:

Non-Interactive Attended Transfer

When someone is calling you and you do not want to take the call but to transfer the call to another person and you talk to this person first and he/she decides whether to accepct the call or not:

1. Click anywhere outside the blue square (incoming call):

2. Select a name from your favorites list/phone book or type in a search field.

3. Call the second person while the first call is not taken and is still shown as incoming.

4. After the second person takes the call, the status "in call" is shown in the top right corner. The green bar at the top also displays the name of the person in call and the current duration of the call.

The first call is still not taken and is shown as incoming under the active call with the second person.

You can see who originally called if a call is transferred.

The original caller appears in the pop up window. The orange line in the pop up shows you the person transferring the call.

5. Transfer the first call to the second call by dragging and dropping the second call to .

Here you will find all app parameters.

The settings are clustered into seven sections:

• User
• Call forwarding
• Queues
• Function keys
• Fax
• Download
• Info

• Here you can see your profile
• Change your password
• Select your primary device - for more details see chapter Overview - App menu
• Select your app language
• Set options like call waiting indication, intercom, parallel ringing
• Set ringtones
• Set voicemail settings
• Add linked extensions

In the Voicemail tab, you can

• Activate/deactivate the option Send voicemails via e-mail
• Activate/deactivate the option Delete voicemails once e-mailed
• Change your voicemail PIN

Set call forwarding parameters.

For more details, see the chapter Call forwarding.

Currently not available.

Set your functions keys.
Your function keys will also be shown as contacts in your favourite list.

In case you have a fax extension, you can connect it to your app in order to send and receive faxes.
You will need your fax login and PIN to connect your extension.

- Go to Settings - Fax - Add fax.

Once your fax extension is successfully connected, the feature fax will appear in the menu. Here you will find your fax history and can send faxes.

Once the fax extension has been added, the fax feature will appear in the menu on the left.

In this section, you can:

• See your fax history
• Send faxes

To send a fax:

1. Select an eFax name from the drop-down menu, if you have more than one fax extension added.
2. Enter a number you want to send the fax to.
3. Tick Send with cover sheet if you want to attach a cover sheet to your fax.
4. Drag&drop a PDF file you want to send.
   ⇒The preview will show your file.
5. Click on Send.
   ⇒Adding fax to queue is displayed in the snack bar at the bottom of the screen. The fax has been sent.

To add a fax cover sheet:

1. Click on the + button next to the Add cover sheet.
2. Enter the name, sibject and the message of your fax. The preview of your fax is shown on the right. Please note that the date and sender are added automatically.
3. Click on Save.
   ⇒The cover sheet has been added to your list.

Here you will find the current version of the Desktop Apps for Windows and macOS for download.

Here you will find more information on the app.

Each user has an automatically set call forwarding profile - the default profile.

It is active per default.

- You can create your personalised profiles for certain scenarios as e.g. "Vacation" and set the target phone number to which the call can be forwarded to.

- Click on the + button under the profile tab.

- Define a title and the profile number for your profile. You can also define a colour for your profile.

- In order to activate a profile, click on the blue dot next to the profile name.

You have created a profile "Vacation". To define exactly what this profile should do, you can either activate one of the call forwarding conditions

• Always
• Busy
• No answer
• Not registered

Or you can set a rule and use source based call forwarding:

Source based call forwarding means, you can choose a specific source, a telephone number, and define a rule - so what should happen if this specific telephone number calls you.

- Click on the + button in the "Vacation" tab and add a rule.

- Choose the source, the telephone number you would like to define your rule for. e.g. you choose the phone extension of a colleague Louie Kenney.

Define what should happen, if Louie Kenney calls you, e.g. each time he calls, his call should always be forwarded to your voicemail.

- In order to set this rule, select the condition "Always".

- Define the destination to which Louie Kenney's call should be forwarded to, e.g. your voicemail.

- Save the rule.

You can also signal a busy tone by selecting "Busy" or you can define a certain phone number to which the call should be forwarded to.

There are four call forwarding conditions. In order to use them, you need to define a destination to which the call should be forwarded to.

- Define the call forwarding destination via the dropdown.

What do the call forwarding conditions mean:

• Always

The call will always be forwarded. The caller will then be forwarded directly to the defined destination.

• Busy

Your extension is busy. Where should the call be forwarded to?

The caller receives a busy signal and will then be forwarded to the defined destination.

• No answer

You are not answering the incoming call within a defined time limit. The time limit can be set to 5, 10, 15 or 20 seconds by clicking on the number dropdown.

- Click on the number in the Dropdown.

The caller receives a waiting signal and will then be forwarded to the defined destination.

• Not registered

Your device is not registered on pbx (e.g. broken cable etc.). All incoming calls will be forwarded to a defined destination.

In case you wish to create a similar profile but one that would still differ from an existing profile, you can duplicate a profile.

and enter a new profile title, choose a profile number and .

- Click on the duplicate button.

- Enter a new profile title and choose a profile number.

- Define the rules and conditions.

- Save the new profile.

Before you can join a conference, you need to subscribe to this conference.

To join a conference that you have not subscribed to, you need to know the conference name or the extension number, and the conference PIN.

1. Enter the conference name or extension number in the search bar.
2. Click on Conferences.
3. Double-click on the conference or press Enter to join the conference.
   ⇒ You will be asked to enter the conference PIN.
4. Enter the conference PIN.
   ⇒ You have now joined the conference.

- Enter the conference name or extension in the search bar.
You will see results in the active search, grouped by type and in alphabetic order.

Here is this example we are looking the conference "Milano" with the extension number 405.
The conference room was found and needs now to be subscribed to.

- Click on the entry conference.

- Enter the conference PIN number.

- Click on subscribe.

To subscribe to a conference from the Conference menu

1. Click on the + button.
   ⇒ The search results will appear in alphabetic order.
2. Click a conference you would like to subscribe to.
   ⇒ A pop-up window will open.
3. Enter the conference PIN.
4. Click on Subscribe.

Once you are subscribed, you will see conference as a new tab in the menu of the app and you will see the conference you have subscribed to in the conference list.

For more information on the conference, click on the entry. A pop up will open.

- To see the participants of your conference and to access conference features as mute / unmute etc., slide over the conference name.

- Click on the conference icon and go to the conference info.

The conference info looks as follows. Depending on in what way you participate in a conference, as a participant or presenter, you have different control possibilities over the conference.
In general, the following features are available in a conference:

• mute or unmute participants
• exclude a participant from the conference
• invite participants
• make the conference public or private