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.
Global Super Tel Inc.
Caspian Co., Ltd was established in Tokyo in 1994, and authorized by Ministry of Post & Telecommunication of Japan as (Tire II) International carrier, and provide low international and domestic long distance rates, with the name of Global Super Tel.
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