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.
Lync Express is an integrated device that provides basic features required in any Lync deployment. The solution includes a Microsoft Windows 2008 Server, Microsoft Lync Server 2010 and Sonoma NetBorder Express VoIP Gateway. Standalone device Lync Express supports up to 100 users is equipped with E1/T1/J1 a compatible digital telephony segment to connect to the public telephone network. Lync Express also supports four FXS lines for any phone or fax number, in case of need or emergency.