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.
The Clubpbx is a global leading new generation IP PBX (VOIP) that lets you save money by calling virtually anyone from your traditional telephone, your cell phone, and even your PC and provides unprecedented features at affordable prices. More and more co
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