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.
SMARTBRIDGE TRADING SOLUTIONS PVT. LTD.
On behalf of Smartbridge , I welcome you to visit our website.
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Let me begin by extending my appreciation to each one of you for the continued con
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