Group Paging
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.
Grandstream HandyTone 701 – is a powerful analog telephone adapter (ATA) of the next generation, which works through IP protocol.
D COM
D-COM is a licensed telecommunication service provider in Latvia. The main field of activity is the provision of local and international wired telecommunication services. D-COM uses both traditional digital means of communications and VoIP (Voice Over IP)
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