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.
Telsome is IP telephony - that is, telephony across the internet rather than through the old-fashioned telephone wires. Instead of connecting the telephone plug to your wall socket, you just it plug into your internet connection. Except you will now be ma
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