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.
IT Group is an operator of public telecommunication services, which is an officially licensed telecommunication operator of the Republic of Latvia, and operates from 2004 year in Latvia. IT Group call tariffs, communication quality and level of service
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