Merge branch 'call-forwarding-fix' into 'develop'

Change URL to phone service.

See merge request R3/howto-cards!117

external/general/remote-working/remote-working.md

@@ -74,28 +74,19 @@ Use the [LCSB R3 Gitlab](https://git-r3lab.uni.lu) to develop and share code.
 
 ## Forwarding phone calls
 
-### To another phone number
-
 If you want to forward phone calls from your office phone to another number, follow these steps:
 
 1. Connect to the university VPN (see instructions above).
-2. Go to the phone system management interface on [fred.uni.lux](https://fred.uni.lux/ucmuser/).
+2. Go to the phone system management interface on [iptel.uni.lux](http://iptel.uni.lux/).
 3. Login with your university credentials.
-4. Click on "Call Forwarding" in the menu on the left.
-5. Check the box in front of "Forward all calls to:".
-6. In the drop down menu select the number, or "Add new number" and enter 0 followed by the number you want to forward to (the additional leading zero is necessary to enable calls to outside the university).
-7. Click on "Save".
-
-### To voice mail
-
-1. Follow steps 1-5 from above.
-2. In the drop down menu select "Voicemail".
-3. Click on "Save".
-
-With this option you will get an email with a mp3 file of the voicemail recording.
-
-### More options
+4. Click on the "FORWARDS" button on the right.
+5. Check the box in front of "Always".
+6. Enter the number to forward to in the text field after "Always". Please make sure to enter the number in the usual format: "0" for exit and then if needed "00" if it's a foreign number, e.g.:
+    * 00049... for German phone numbers
+    * 00033... for French phone numbers
+    * 0621...  for Luxembourgish mobile numbers
+7. Click on "Save" at the bottom right of the page.
 
 You can find more options for call forwarding in [the voice mail options in OWA](https://owa.uni.lu/owa/?bO=1#path=/options/callanswering). There you can set up call forwarding during specific times, when your calendar shows you as busy, for specific callers only or give a selection of several numbers to forward to.
 
-The drawback is that it will still always first ring your office phone and only when you do not pick up the settings will take effect. Also, **forwarding to foreign numbers is not possible in OWA**.
+The drawback of setting it up in OWA is that it will still always first ring your office phone and only when you do not pick up the settings will take effect. Also, **forwarding to foreign numbers is not possible in OWA**.