TekSIP 4.0.6

TekSIP is a SIP Registrar and Proxy. TekSIP tested on Microsoft Windows (Vista, Windows 7/8/10, 2008-2016 Server). TekSIP complies with RFC 3261, RFC 3263, RFC 3311, RFC 3581 and RFC 3891. It supports NAT traversal, UPnP and ENUM. Please see...
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