Anruf am Client wird bei besetzten Teilnehmer beendet

Guten Morgen,

bei uns tritt an einem Arbeitsplatz derzeit folgendes auf:

Anruf kommt via Annahme rein, Kollege in der Annahme nimmt den Anruf entgegen.
Anrufer möchte mit Herrn Mustermann sprechen, Herr Annahme hält den Anrufer.
Herr Annahme will den Benutzer dann zu Herrn Mustermann durchstellen - via Button ‘Neuer Anruf’ - und gibt dort dann die Durchwahl von Herrn Mustermann ein. Sobald er dann den Herrn Mustermann anrufen möchte - welcher besetzt ist - beendet der Client den Anruf in beide Richtungen sodass auch beim Anrufer die Verbindung beendet wird.
Bei meinem Desktop Client tritt das verhalten z.B. nicht auf.

ibsm25W2tn

Ich hoffe ich hab das so gut wie möglich erklärt.

Grüße
Jonas Retzlaff

EDIT:

Neuinstallation des Clients hat das Problem lösen können.
Hier trotzdem mal der Client-Log:

[2019-05-16 9:39:15.643] [Debug] [service.MdSoftphone] unknown:0 - Add outbound call id -1, now 1 calls
[2019-05-16 9:39:15.643] [Debug] [service.MdSoftphone] unknown:0 - Thread id mdsoftphone: threadID= QThread(0x9907c8)
[2019-05-16 9:39:16.009] [Debug] [service.PhonecallService] unknown:0 - Received ChannelEvent:  "0049171XXXXXXX"  state:  "ringing"  dev:  "pascom Softphone [Pascal]"  id:  182  chain:  "1557992355738_182"  internal:  false  outbound:  true  eventId:  "SIP/IXXXXXXXXXXXXX01c4"
[2019-05-16 9:39:16.010] [Info] [service.PhonecallService] unknown:0 - phonecall created id 182
[2019-05-16 9:39:16.010] [Info] [service.PhonecallService] unknown:0 - Add channel for device "pascom Softphone [Pascal ]"
[2019-05-16 9:39:16.066] [Debug] [headset.JabraHeadset] unknown:0 - Jabra button pressed raw 0 65328 32 true
[2019-05-16 9:39:16.066] [Debug] [headset.JabraHeadset] unknown:0 - Jabra button pressed "OffHook(1)" true
[2019-05-16 9:39:16.066] [Debug] [headset.JabraHeadset] unknown:0 - Got Offhoook. deviceID= 0  HidInput= 1  indata= true
[2019-05-16 9:39:16.082] [Debug] [headset.JabraHeadset] unknown:0 - Jabra button pressed raw 0 65328 151 true
[2019-05-16 9:39:18.168] [Info] [util.MdCall] unknown:0 - Media State change, Call State is now  3
[2019-05-16 9:39:18.169] [Debug] [util.MdCall] unknown:0 - setGain rx:  1  tx:  2
[2019-05-16 9:39:22.987] [Debug] [service.PhonecallService] unknown:0 - Received ChannelEvent:  "0049171XXXXXXX"  state:  "busy"  dev:  "pascom Softphone [Pascal]"  id:  182  chain:  "1557992355738_182"  internal:  false  outbound:  true  eventId:  "SIP/IXXXXXXXXXXX1c4"
[2019-05-16 9:39:22.988] [Info] [service.PhonecallService] unknown:0 - Add channel for device "pascom Softphone [Pascal ]"
[2019-05-16 9:39:22.987] [Info] [util.MdCall] unknown:0 - Media State change, Call State is now  4
[2019-05-16 9:39:40.989] [Info] [util.MdCall] unknown:0 - Media State change, Call State is now  5
[2019-05-16 9:39:41.042] [Debug] [service.PhonecallService] unknown:0 - Received ChannelEvent:  "0049171XXXXXXX"  state:  "hold"  dev:  "pascom Softphone [Pascal]"  id:  182  chain:  "1557992355738_182"  internal:  false  outbound:  true  eventId:  "SIP/IXXXXXXXXX1c4"
[2019-05-16 9:39:41.044] [Info] [service.PhonecallService] unknown:0 - Add channel for device "pascom Softphone [Pascal]"
[2019-05-16 9:39:50.113] [Debug] [service.MdSoftphone] unknown:0 - Add outbound call id -1, now 2 calls
[2019-05-16 9:39:50.113] [Debug] [service.MdSoftphone] unknown:0 - Thread id mdsoftphone: threadID= QThread(0x9907c8)
[2019-05-16 9:39:50.176] [Info] [service.MdSoftphone] unknown:0 - Removing call id  0 , now  1  calls
[2019-05-16 9:39:50.176] [Debug] [controller.SoftPhoneController] unknown:0 - Cleanup guarding reference to call
[2019-05-16 9:39:50.176] [Debug] [util.MdCall] unknown:0 - Destruct Call
[2019-05-16 9:39:50.213] [Debug] [service.PhonecallService] unknown:0 - Received ChannelEvent:  "35"  state:  "postcall"  dev:  "pascom Softphone [Pascal]"  id:  183  chain:  "1557992390161_183"  internal:  true  outbound:  true  eventId:  "SIP/IXXXXXXXXXXXX1c6"
[2019-05-16 9:39:50.213] [Info] [service.PhonecallService] unknown:0 - phonecall created id 183
[2019-05-16 9:39:50.213] [Info] [service.PhonecallService] unknown:0 - Add channel for device "pascom Softphone [Pascal]"
[2019-05-16 9:39:50.266] [Debug] [headset.JabraHeadset] unknown:0 - Transition from HOLD to BUSY, need to ignore next button press
[2019-05-16 9:39:50.290] [Debug] [service.PhonecallService] unknown:0 - Received ChannelEvent:  "35"  state:  "hangup"  dev:  "pascom Softphone [Pascal]"  id:  183  chain:  "1557992390161_183"  internal:  true  outbound:  true  eventId:  "SIP/IXXXXXXXXXXXX1c6"
[2019-05-16 9:39:50.291] [Info] [service.PhonecallService] unknown:0 - Remove channel for device  "pascom Softphone [Pascal]"
[2019-05-16 9:39:50.309] [Info] [service.PhonecallService] unknown:0 - phonecall destroyed id 183
[2019-05-16 9:39:50.274] [Debug] [headset.JabraHeadset] unknown:0 - Jabra button pressed raw 0 65328 32 false
[2019-05-16 9:39:50.274] [Debug] [headset.JabraHeadset] unknown:0 - Jabra button pressed "OffHook(1)" false
[2019-05-16 9:39:50.274] [Debug] [headset.JabraHeadset] unknown:0 - Ignoring this button press event
[2019-05-16 9:39:50.314] [Debug] [headset.JabraHeadset] unknown:0 - Jabra button pressed raw 0 65328 32 true
[2019-05-16 9:39:50.314] [Debug] [headset.JabraHeadset] unknown:0 - Jabra button pressed "OffHook(1)" true
[2019-05-16 9:39:50.314] [Debug] [headset.JabraHeadset] unknown:0 - Got Offhoook. deviceID= 0  HidInput= 1  indata= true
[2019-05-16 9:39:50.325] [Debug] [service.PhonecallService] unknown:0 - Try to hangup call
[2019-05-16 9:39:50.338] [Info] [service.MdSoftphone] unknown:0 - Removing call id  3 , now  0  calls
[2019-05-16 9:39:50.338] [Debug] [controller.SoftPhoneController] unknown:0 - Cleanup guarding reference to call
[2019-05-16 9:39:50.338] [Debug] [util.MdCall] unknown:0 - Destruct Call
[2019-05-16 9:39:50.352] [Debug] [service.PhonecallService] unknown:0 - Received ChannelEvent:  "0049171XXXXXXX"  state:  "hangup"  dev:  "pascom Softphone [Pascal ]"  id:  182  chain:  "1557992355738_182"  internal:  false  outbound:  true  eventId:  "SIP/IXXXXXXXXXXXXX1c4"
[2019-05-16 9:39:50.353] [Info] [service.PhonecallService] unknown:0 - Remove channel for device  "pascom Softphone [Pascal ]"
[2019-05-16 9:39:50.385] [Info] [service.PhonecallService] unknown:0 - phonecall destroyed id 182
[2019-05-16 9:39:50.398] [Info] [service.PhonecallService] unknown:0 - My phone state is available finish all calls
[2019-05-16 9:39:50.578] [Debug] [headset.JabraHeadset] unknown:0 - Jabra button pressed raw 0 65328 32 false
[2019-05-16 9:39:50.578] [Debug] [headset.JabraHeadset] unknown:0 - Jabra button pressed "OffHook(1)" false
[2019-05-16 9:39:50.922] [Debug] [headset.JabraHeadset] unknown:0 - Jabra button pressed raw 0 65328 151 false
[2019-05-16 9:40:38.275] [Warning] [default] :-1 - <Unknown File>: QML QQuickLayoutAttached: Binding loop detected for property "preferredWidth"
[2019-05-16 9:40:38.284] [Warning] [default] unknown:0 - libpng warning: iCCP: known incorrect sRGB profile