The N670/N870 is capable of showing SIP messages on the DECT handsets.
The SIP message are automatic converted to an MQTT message using the following MQTT settings.
- Title= "Info"
- Priority = "3"
- Time To Live = "3600"
- alert-info = "msg-melody-medium"
- Presentation timer = "30"
An handset that should be able to receive and show an SIP message needs an message license