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.
An opportunity to use the other connection line if the usual line is engaged.
iBasis
iBasis is a leading carrier of international long distance telephone calls and provider of retail prepaid calling cards sold online and through retail stores throughout the U.S. We provide high quality service for billions of minutes of international call
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