The MWI will not work with other branded devices as the MWI (Message Waiting Indicator) from Cisco use a proprietary format for their MWI

Since most VoIP providers have their systems set for Cisco devices the MWI will NOT work with other branded devices

Since most VoIP providers have their systems set for Cisco devices the MWI will NOT work with other branded devices

The MWI will not work with other branded devices as the MWI (Message Waiting Indicator) from Cisco use a proprietary format for their MWI