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.
IPPN Inc., is the leading provider of service delivery and creation systems for next-generation communication networks. IPPN`s mission is to enable rapid and economical design and deployment of powerful enhanced services to business and residential custom
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