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.
Anonymous call rejection – this is a function that blocks the incoming calls of subscribers with indefinite telephone number.
Voice.sky Communications
VOICE.SKY Communications is a facilities-based carrier with domestic and global points of presence in New York, London, Atlanta, Chicago, Miami, Los Angeles, Boston, Dallas, and Hong Kong that serves carriers and service providers including PTTs, Wireless
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