A group of users can be created with a purpose of receiving voice announcements through the speaker of a telephone set, but it has to be in the waiting mode.
Mediatrix 3731 - is a multifunctional device, which has unified VoIP IAD and Gateway in a secure and powerful platform. The device is perfectly suitable for a SIP trunking, PBX trunking, and PSTN solutions for VoIP equipment.