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.
Nihan Technologies and Consultancy Ltd. (NTCL) a visionary and goal-oriented professional IT Organization established in 2002 with demonstrated technical skills and broad experience in planning, developing, and implementing cutting edge information soluti
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