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.
Digium VoIP gateway was created on a blend of the Asterisk Open Source communications engine and state of the art embedded platform, G100 provides the best value for the Asterisk connectivity.
Usatel
Soluciones de voz sobre IP para clientes empresariales y residenciales, DID de Guatemala y de las principales ciudades del mundo
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