Basically, the MWI-service (address type "Alert") is used for the signaling of new messages by indication of a signal at the user's telephone. This is normally the light up of a signal lamp or the indication of a message at the telephone display.
When the signaling is not transmitted to the PBX e.g. via a modem, the following protocol properties are required, depending on the protocol:
·DSS1 - MWI, ETSI ETS 300 650 ·QSIG - mWIActivate and mWIDeactice, ECMA-242 ·VoIP/SIP - Message Waiting Indication, RFC 3842 ·VoIP/H.323 - H.450.7 "Message Waiting Indication supplementary service"
This feature depends on which PBX is used. Further information about the configuration are listed at "Hardware - Alert".
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Version ixi-UMS_Enterprise_7.10