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.
Internet Solutions Alliance Inc., in Ontario, Canada, is an international communication provider over a foremost Voice over Internet Protocol (VoIP) technology. Using an existing high-speed Internet connection, ISAs technology enables anyone to make and r
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