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.
CyLine Telecommunications ("CyLine") offers global Voice IP services to a wide variety customer bases. Quality of service, competitive pricing and a dedicated support staff have afforded CyLine a high level of credibility and reliability in typically unst
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