SIP VoIP Gateway
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.
Small enterprises should really enjoy the Grandstream GXP280 and GXP285 devices, due to mixture of high quality of sound, graphic LCD display and rich list of business features.
One Star Voice
Welcome to Onestarvoice Communications Ltd Be a proud user of Onestarvoice Communications Ltd calling service. Among a lot of different types of calling services choose the one that meets your requirements and enjoy low rate fine quality calling service.
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