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.
Business Svyaz Holding
We are providing our Clients and Partners up-to-date high-quality communication services utilizing advanced technologies, such as IP MPLS, DSL, MetroEthernet, VoIP and others. Through these technologies the clients has the opportunity to access or develop
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