HW HongKong Hong Kong
IF need any routers,please feel free to emial me or Add my QQ 278931058,skype:qxl1231
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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.
Integrated VoIP Solutions (IVS Corp.)
IVS is dedicated to providing solutions for all of your communication needs. We offer local and long distance, data, VoIP equipment and services support, implementation and training for any size company. Our goal is to design and implement the most effici
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