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.

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Detailed description of SIP protocol

SIP protocol was made within IETF (Internet Engineering Task Force) – organization occupied with establishing Internet standards and general standards concerning TCP/IP protocols.

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Callip Argentina

Call-IP brings to you the last in technology VOIP is an integrated and economic form with savings of a 80% or more in your telephone calls. Call-IP has got an easey and economic implementation, it uses its broadband efficiently lowering its costs of commu