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.
This is a device allowing a user to make VoIP calls using session initiation protocol (SIP). SIP is a telecommunication technology developed as a fast, easy standard for delivering IP-based data, voice, and video communications.
Al Hussaini Telecom
Al- Hussaini Telecom is a global carrier and provider of high quality international long distance telecommunication services, exclusively sells to other telecommunication companies and has strategically decided two target high yield niche markets in Asia
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