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.
D-Link introduced a Wi-Fi phone, designed in the shell that combines the ability to connect to a wireless network and to use the benefits of IP-telephony in one portable device. Thanks to this Wi-Fi VoIP-phone home and business users get a significant reduction in expenditures for local and long distance calls comparing to standard phone service.
Kortel Communications
Kortel has a physical presence in Los Angeles, CA USA and prefers connectivity via VoIP packet interfaces with either H.323 or SIP. This reach minimises, or can even eliminate, the local access circuit cost which all too often becomes the highest cost ite
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