MWI
MWI (Message Waiting Indication) is a SIP function which allows to signal new voice and fax messages on internal VoIP end devices. Signalling is possible for all voice mail and fax boxes for which the user in question is entered.
You can use this function with the following VoIP end devices:
Auerswald/FONtevo VoIP standard VoIP phonesÂ
The LED of a function key assigned to MWI is used for signalling (optional).
![*](Note_Tip.svg)
You will find more information in the instruction of your telephone.
Auerswald/FONtevo IP DECT phonesÂ
The signalling on the DECT handsets COMfortel M-5x0/M-7x0 is carried out via a symbol on the display (optional).
The setup is made using the web interface of the DECT base station WS-500x.
![*](Note_Tip.svg)
You will find more information in the instruction of the base station.
Standard VoIP end decives of other manufacturersÂ
Signalling and configuration depend on the end device.
![*](Note_Tip.svg)
You will find more information in the instruction of the device.